[education/rkward] tests/item_response_theory: Update more test standards

Thomas Friedrichsmeier null at kde.org
Mon Apr 11 12:39:54 BST 2022


Git commit aac695c43b6ed0c67ef5a206bb7fdf8496c18621 by Thomas Friedrichsmeier.
Committed on 11/04/2022 at 11:39.
Pushed by tfry into branch 'master'.

Update more test standards

M  +12   -12   tests/item_response_theory/2PL_parameter_estimation.rkout
M  +10   -10   tests/item_response_theory/3PL_parameter_estimation.rkout
M  +5    -1    tests/item_response_theory/Andersen_LR_plot.messages.txt
M  +0    -4    tests/item_response_theory/Andersen_LR_plot.rkout
M  +14   -14   tests/item_response_theory/Cronbach_alpha.rkout
M  +8    -8    tests/item_response_theory/GPCM_parameter_estimation.rkout
M  +12   -12   tests/item_response_theory/GRM_parameter_estimation.rkout
M  +30   -30   tests/item_response_theory/LLTM_parameter_estimation.rkout
M  +20   -20   tests/item_response_theory/LPCM_parameter_estimation.rkout
M  +10   -10   tests/item_response_theory/LRSM_parameter_estimation.rkout
M  +38   -38   tests/item_response_theory/PCM_parameter_estimation.rkout
M  +14   -14   tests/item_response_theory/RSM_parameter_estimation.rkout
M  +10   -10   tests/item_response_theory/Rasch_parameter_estimation.rkout
M  +5    -1    tests/item_response_theory/Wald_test.messages.txt
M  +12   -16   tests/item_response_theory/Wald_test.rkout
M  +3    -3    tests/item_response_theory/goodnes-of-fit_Rasch.rkout
M  +10   -10   tests/item_response_theory/item_fit_statistics.rkout
M  +60   -60   tests/item_response_theory/person_fit_statistics.rkout
M  +1    -1    tests/item_response_theory/unidimensional.rkcommands.R
M  +16   -16   tests/item_response_theory/unidimensional.rkout

https://invent.kde.org/education/rkward/commit/aac695c43b6ed0c67ef5a206bb7fdf8496c18621

diff --git a/tests/item_response_theory/2PL_parameter_estimation.rkout b/tests/item_response_theory/2PL_parameter_estimation.rkout
index b5726e6b..13e6dcad 100644
--- a/tests/item_response_theory/2PL_parameter_estimation.rkout
+++ b/tests/item_response_theory/2PL_parameter_estimation.rkout
@@ -12,42 +12,42 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>(Intercept)</th><th>z1</th><th>z2</th><th>z1:z2</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>Item 1</td>
 <td class=cellinside>-1.10</td>
 <td class=cellinside> 0.27</td>
 <td class=cellinside>-3.32</td>
-<td class=cellinside>-1.16</td></tr>
- 
+<td class=cellinside>-1.16</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 2</td>
 <td class=cellinside> 0.94</td>
 <td class=cellinside> 1.09</td>
 <td class=cellinside> 2.17</td>
-<td class=cellinside> 2.95</td></tr>
- 
+<td class=cellinside> 2.95</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 3</td>
 <td class=cellinside>-1.46</td>
 <td class=cellinside> 1.81</td>
 <td class=cellinside>-0.31</td>
-<td class=cellinside> 0.54</td></tr>
- 
+<td class=cellinside> 0.54</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 4</td>
 <td class=cellinside>-1.46</td>
 <td class=cellinside> 1.12</td>
 <td class=cellinside> 0.56</td>
-<td class=cellinside> 0.27</td></tr>
- 
+<td class=cellinside> 0.27</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 5</td>
 <td class=cellinside>-1.08</td>
 <td class=cellinside> 2.13</td>
 <td class=cellinside>-0.47</td>
-<td class=cellinside> 1.15</td></tr>
- 
+<td class=cellinside> 1.15</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 6</td>
 <td class=cellinside>-2.75</td>
 <td class=cellinside> 1.70</td>
 <td class=cellinside>-0.94</td>
-<td class=cellinside> 1.07</td></tr>
+<td class=cellinside> 1.07</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/3PL_parameter_estimation.rkout b/tests/item_response_theory/3PL_parameter_estimation.rkout
index 9cd0c4f8..2ec50fa0 100644
--- a/tests/item_response_theory/3PL_parameter_estimation.rkout
+++ b/tests/item_response_theory/3PL_parameter_estimation.rkout
@@ -12,31 +12,31 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Gussng</th><th>Dffclt</th><th>Dscrmn</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>Item 1</td>
 <td class=cellinside> 0.037</td>
 <td class=cellinside>-3.296</td>
-<td class=cellinside> 0.829</td></tr>
- 
+<td class=cellinside> 0.829</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 2</td>
 <td class=cellinside> 0.078</td>
 <td class=cellinside>-1.145</td>
-<td class=cellinside> 0.760</td></tr>
- 
+<td class=cellinside> 0.760</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 3</td>
 <td class=cellinside> 0.012</td>
 <td class=cellinside>-0.249</td>
-<td class=cellinside> 0.902</td></tr>
- 
+<td class=cellinside> 0.902</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 4</td>
 <td class=cellinside> 0.035</td>
 <td class=cellinside>-1.766</td>
-<td class=cellinside> 0.701</td></tr>
- 
+<td class=cellinside> 0.701</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 5</td>
 <td class=cellinside> 0.053</td>
 <td class=cellinside>-2.990</td>
-<td class=cellinside> 0.666</td></tr>
+<td class=cellinside> 0.666</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/Andersen_LR_plot.messages.txt b/tests/item_response_theory/Andersen_LR_plot.messages.txt
index c1de8106..1bf718a5 100644
--- a/tests/item_response_theory/Andersen_LR_plot.messages.txt
+++ b/tests/item_response_theory/Andersen_LR_plot.messages.txt
@@ -1,3 +1,7 @@
 Warning in LRtest.Rm(estimates.pcm, se = TRUE) :
   
-The following items were excluded due to inappropriate response patterns within subgroups: 
+The following items were excluded due to inappropriate response patterns within
+subgroups:
+I2 I4 I1 I5
+
+Full and subgroup models are estimated without these items!
diff --git a/tests/item_response_theory/Andersen_LR_plot.rkout b/tests/item_response_theory/Andersen_LR_plot.rkout
index d51f52bf..95f35788 100644
--- a/tests/item_response_theory/Andersen_LR_plot.rkout
+++ b/tests/item_response_theory/Andersen_LR_plot.rkout
@@ -1,7 +1,3 @@
 <h1>Andersen's LR test</h1>
 DATE<br />
 <img src="graph.png" width="480" height="480"><br>
-<h2>Messages, warnings, or errors:</h2>
-<pre class="output_normal">I2 I4 I1 I5 
-Full and subgroup models are estimated without these items!
-</pre>
diff --git a/tests/item_response_theory/Cronbach_alpha.rkout b/tests/item_response_theory/Cronbach_alpha.rkout
index c626323f..2aa5f7e2 100644
--- a/tests/item_response_theory/Cronbach_alpha.rkout
+++ b/tests/item_response_theory/Cronbach_alpha.rkout
@@ -15,24 +15,24 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>value</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>All Items</td>
-<td class=cellinside>0.29</td></tr>
- 
+<td class=cellinside>0.29</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Excluding Item 1</td>
-<td class=cellinside>0.28</td></tr>
- 
+<td class=cellinside>0.28</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Excluding Item 2</td>
-<td class=cellinside>0.24</td></tr>
- 
+<td class=cellinside>0.24</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Excluding Item 3</td>
-<td class=cellinside>0.22</td></tr>
- 
+<td class=cellinside>0.22</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Excluding Item 4</td>
-<td class=cellinside>0.25</td></tr>
- 
+<td class=cellinside>0.25</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Excluding Item 5</td>
-<td class=cellinside>0.27</td></tr>
+<td class=cellinside>0.27</td> </tr>
  
 	</tbody>
 </table>
@@ -48,10 +48,10 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>2.5%</th><th>97.5%</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn></td>
 <td class=cellinside>0.22</td>
-<td class=cellinside>0.37</td></tr>
+<td class=cellinside>0.36</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/GPCM_parameter_estimation.rkout b/tests/item_response_theory/GPCM_parameter_estimation.rkout
index 2ea69072..ec99ab70 100644
--- a/tests/item_response_theory/GPCM_parameter_estimation.rkout
+++ b/tests/item_response_theory/GPCM_parameter_estimation.rkout
@@ -12,30 +12,30 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Catgr.1</th><th>Catgr.2</th><th>Catgr.3</th><th>Dscrmn</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>Work</td>
 <td class=cellinside>-1.80</td>
 <td class=cellinside>-0.90</td>
 <td class=cellinside> 1.80</td>
-<td class=cellinside> 1.00</td></tr>
- 
+<td class=cellinside> 1.00</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Industry</td>
 <td class=cellinside>-2.54</td>
 <td class=cellinside>-1.76</td>
 <td class=cellinside> 0.20</td>
-<td class=cellinside> 1.00</td></tr>
- 
+<td class=cellinside> 1.00</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Future</td>
 <td class=cellinside>-2.50</td>
 <td class=cellinside>-1.39</td>
 <td class=cellinside> 1.09</td>
-<td class=cellinside> 1.00</td></tr>
- 
+<td class=cellinside> 1.00</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Benefit</td>
 <td class=cellinside>-2.33</td>
 <td class=cellinside>-0.88</td>
 <td class=cellinside> 1.31</td>
-<td class=cellinside> 1.00</td></tr>
+<td class=cellinside> 1.00</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/GRM_parameter_estimation.rkout b/tests/item_response_theory/GRM_parameter_estimation.rkout
index 3a335044..000560f1 100644
--- a/tests/item_response_theory/GRM_parameter_estimation.rkout
+++ b/tests/item_response_theory/GRM_parameter_estimation.rkout
@@ -12,36 +12,36 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Extrmt1</th><th>Extrmt2</th><th>Dscrmn</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>LeadPetrol</td>
 <td class=cellinside>0.487</td>
 <td class=cellinside>2.584</td>
-<td class=cellinside>1.378</td></tr>
- 
+<td class=cellinside>1.378</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>RiverSea</td>
 <td class=cellinside>1.058</td>
 <td class=cellinside>2.499</td>
-<td class=cellinside>2.341</td></tr>
- 
+<td class=cellinside>2.341</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>RadioWaste</td>
 <td class=cellinside>0.779</td>
 <td class=cellinside>1.793</td>
-<td class=cellinside>3.123</td></tr>
- 
+<td class=cellinside>3.123</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>AirPollution</td>
 <td class=cellinside>0.457</td>
 <td class=cellinside>2.157</td>
-<td class=cellinside>3.283</td></tr>
- 
+<td class=cellinside>3.283</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Chemicals</td>
 <td class=cellinside>0.809</td>
 <td class=cellinside>1.868</td>
-<td class=cellinside>2.947</td></tr>
- 
+<td class=cellinside>2.947</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Nuclear</td>
 <td class=cellinside>0.073</td>
 <td class=cellinside>1.427</td>
-<td class=cellinside>1.761</td></tr>
+<td class=cellinside>1.761</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/LLTM_parameter_estimation.rkout b/tests/item_response_theory/LLTM_parameter_estimation.rkout
index 5a02b3e7..8e0f58a4 100644
--- a/tests/item_response_theory/LLTM_parameter_estimation.rkout
+++ b/tests/item_response_theory/LLTM_parameter_estimation.rkout
@@ -12,66 +12,66 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Eta</th><th>StdErr</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>eta 1</td>
 <td class=cellinside> 0.182</td>
-<td class=cellinside> 0.149</td></tr>
- 
+<td class=cellinside> 0.149</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 2</td>
 <td class=cellinside> 0.324</td>
-<td class=cellinside> 0.149</td></tr>
- 
+<td class=cellinside> 0.149</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 3</td>
 <td class=cellinside>-0.704</td>
-<td class=cellinside> 0.158</td></tr>
- 
+<td class=cellinside> 0.158</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 4</td>
 <td class=cellinside>-0.247</td>
-<td class=cellinside> 0.151</td></tr>
- 
+<td class=cellinside> 0.151</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 5</td>
 <td class=cellinside> 0.491</td>
-<td class=cellinside> 0.150</td></tr>
- 
+<td class=cellinside> 0.150</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 6</td>
 <td class=cellinside> 0.810</td>
-<td class=cellinside> 0.154</td></tr>
- 
+<td class=cellinside> 0.154</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 7</td>
 <td class=cellinside> 0.686</td>
-<td class=cellinside> 0.152</td></tr>
- 
+<td class=cellinside> 0.152</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 8</td>
 <td class=cellinside> 0.253</td>
-<td class=cellinside> 0.149</td></tr>
- 
+<td class=cellinside> 0.149</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 9</td>
 <td class=cellinside>-0.953</td>
-<td class=cellinside> 0.164</td></tr>
- 
+<td class=cellinside> 0.164</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 10</td>
 <td class=cellinside> 0.253</td>
-<td class=cellinside> 0.149</td></tr>
- 
+<td class=cellinside> 0.149</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 11</td>
 <td class=cellinside> 0.135</td>
-<td class=cellinside> 0.149</td></tr>
- 
+<td class=cellinside> 0.149</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 12</td>
 <td class=cellinside>-0.840</td>
-<td class=cellinside> 0.161</td></tr>
- 
+<td class=cellinside> 0.161</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 13</td>
 <td class=cellinside>-1.325</td>
-<td class=cellinside> 0.176</td></tr>
- 
+<td class=cellinside> 0.176</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 14</td>
 <td class=cellinside> 0.515</td>
-<td class=cellinside> 0.150</td></tr>
- 
+<td class=cellinside> 0.150</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 15</td>
 <td class=cellinside> 0.245</td>
-<td class=cellinside> 0.082</td></tr>
+<td class=cellinside> 0.082</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/LPCM_parameter_estimation.rkout b/tests/item_response_theory/LPCM_parameter_estimation.rkout
index de4c05f1..4147b7e2 100644
--- a/tests/item_response_theory/LPCM_parameter_estimation.rkout
+++ b/tests/item_response_theory/LPCM_parameter_estimation.rkout
@@ -12,46 +12,46 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Eta</th><th>StdErr</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>eta 1</td>
 <td class=cellinside> 0.412</td>
-<td class=cellinside> 0.397</td></tr>
- 
+<td class=cellinside> 0.397</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 2</td>
 <td class=cellinside>-0.299</td>
-<td class=cellinside> 0.494</td></tr>
- 
+<td class=cellinside> 0.494</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 3</td>
 <td class=cellinside>-0.135</td>
-<td class=cellinside> 0.409</td></tr>
- 
+<td class=cellinside> 0.409</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 4</td>
 <td class=cellinside> 0.035</td>
-<td class=cellinside> 0.394</td></tr>
- 
+<td class=cellinside> 0.394</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 5</td>
 <td class=cellinside>-0.429</td>
-<td class=cellinside> 0.478</td></tr>
- 
+<td class=cellinside> 0.478</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 6</td>
 <td class=cellinside>-0.286</td>
-<td class=cellinside> 0.449</td></tr>
- 
+<td class=cellinside> 0.449</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 7</td>
 <td class=cellinside> 0.164</td>
-<td class=cellinside> 0.399</td></tr>
- 
+<td class=cellinside> 0.399</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 8</td>
 <td class=cellinside> 0.101</td>
-<td class=cellinside> 0.435</td></tr>
- 
+<td class=cellinside> 0.435</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 9</td>
 <td class=cellinside>-0.201</td>
-<td class=cellinside> 0.261</td></tr>
- 
+<td class=cellinside> 0.261</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 10</td>
 <td class=cellinside> 1.094</td>
-<td class=cellinside> 0.387</td></tr>
+<td class=cellinside> 0.387</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/LRSM_parameter_estimation.rkout b/tests/item_response_theory/LRSM_parameter_estimation.rkout
index c1aadffa..3ff83c33 100644
--- a/tests/item_response_theory/LRSM_parameter_estimation.rkout
+++ b/tests/item_response_theory/LRSM_parameter_estimation.rkout
@@ -12,26 +12,26 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Eta</th><th>StdErr</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>eta 1</td>
 <td class=cellinside>-0.046</td>
-<td class=cellinside>    NA</td></tr>
- 
+<td class=cellinside>    NA</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 2</td>
 <td class=cellinside> 0.114</td>
-<td class=cellinside>    NA</td></tr>
- 
+<td class=cellinside>    NA</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 3</td>
 <td class=cellinside> 0.197</td>
-<td class=cellinside>    NA</td></tr>
- 
+<td class=cellinside>    NA</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 4</td>
 <td class=cellinside>-0.042</td>
-<td class=cellinside>    NA</td></tr>
- 
+<td class=cellinside>    NA</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>eta 5</td>
 <td class=cellinside> 0.346</td>
-<td class=cellinside>    NA</td></tr>
+<td class=cellinside>    NA</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/PCM_parameter_estimation.rkout b/tests/item_response_theory/PCM_parameter_estimation.rkout
index 1d7bafcf..ecfb99a4 100644
--- a/tests/item_response_theory/PCM_parameter_estimation.rkout
+++ b/tests/item_response_theory/PCM_parameter_estimation.rkout
@@ -12,82 +12,82 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Eta</th><th>StdErr</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>I1.c2</td>
 <td class=cellinside>-0.937</td>
-<td class=cellinside> 0.565</td></tr>
- 
+<td class=cellinside> 0.565</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I1.c3</td>
 <td class=cellinside> 0.330</td>
-<td class=cellinside> 0.809</td></tr>
- 
+<td class=cellinside> 0.809</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I2.c1</td>
 <td class=cellinside>-0.251</td>
-<td class=cellinside> 0.525</td></tr>
- 
+<td class=cellinside> 0.525</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I2.c2</td>
 <td class=cellinside>-0.065</td>
-<td class=cellinside> 0.580</td></tr>
- 
+<td class=cellinside> 0.580</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I2.c3</td>
 <td class=cellinside> 1.432</td>
-<td class=cellinside> 1.024</td></tr>
- 
+<td class=cellinside> 1.024</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I3.c1</td>
 <td class=cellinside> 0.224</td>
-<td class=cellinside> 0.561</td></tr>
- 
+<td class=cellinside> 0.561</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I3.c2</td>
 <td class=cellinside> 0.074</td>
-<td class=cellinside> 0.568</td></tr>
- 
+<td class=cellinside> 0.568</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I3.c3</td>
 <td class=cellinside> 0.878</td>
-<td class=cellinside> 0.784</td></tr>
- 
+<td class=cellinside> 0.784</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I4.c1</td>
 <td class=cellinside>-0.423</td>
-<td class=cellinside> 0.547</td></tr>
- 
+<td class=cellinside> 0.547</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I4.c2</td>
 <td class=cellinside> 0.263</td>
-<td class=cellinside> 0.689</td></tr>
- 
+<td class=cellinside> 0.689</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I4.c3</td>
 <td class=cellinside>-0.140</td>
-<td class=cellinside> 0.650</td></tr>
- 
+<td class=cellinside> 0.650</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I5.c1</td>
 <td class=cellinside> 0.980</td>
-<td class=cellinside> 0.788</td></tr>
- 
+<td class=cellinside> 0.788</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I5.c2</td>
 <td class=cellinside>-0.096</td>
-<td class=cellinside> 0.585</td></tr>
- 
+<td class=cellinside> 0.585</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I5.c3</td>
 <td class=cellinside>-0.403</td>
-<td class=cellinside> 0.579</td></tr>
- 
+<td class=cellinside> 0.579</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I6.c1</td>
 <td class=cellinside> 0.586</td>
-<td class=cellinside> 0.826</td></tr>
- 
+<td class=cellinside> 0.826</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I6.c2</td>
 <td class=cellinside>-0.504</td>
-<td class=cellinside> 0.634</td></tr>
- 
+<td class=cellinside> 0.634</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I6.c3</td>
 <td class=cellinside>-1.100</td>
-<td class=cellinside> 0.587</td></tr>
- 
+<td class=cellinside> 0.587</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I7.c1</td>
 <td class=cellinside>-0.849</td>
-<td class=cellinside> 0.504</td></tr>
- 
+<td class=cellinside> 0.504</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I7.c2</td>
 <td class=cellinside> 0.298</td>
-<td class=cellinside> 0.701</td></tr>
+<td class=cellinside> 0.701</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/RSM_parameter_estimation.rkout b/tests/item_response_theory/RSM_parameter_estimation.rkout
index 8360ac6d..d600e3b6 100644
--- a/tests/item_response_theory/RSM_parameter_estimation.rkout
+++ b/tests/item_response_theory/RSM_parameter_estimation.rkout
@@ -12,34 +12,34 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Eta</th><th>StdErr</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>I2</td>
 <td class=cellinside> 0.305</td>
-<td class=cellinside> 0.205</td></tr>
- 
+<td class=cellinside> 0.205</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I3</td>
 <td class=cellinside> 0.256</td>
-<td class=cellinside> 0.203</td></tr>
- 
+<td class=cellinside> 0.203</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I4</td>
 <td class=cellinside> 0.067</td>
-<td class=cellinside> 0.197</td></tr>
- 
+<td class=cellinside> 0.197</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I5</td>
 <td class=cellinside>-0.160</td>
-<td class=cellinside> 0.197</td></tr>
- 
+<td class=cellinside> 0.197</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>I6</td>
 <td class=cellinside>-0.444</td>
-<td class=cellinside> 0.208</td></tr>
- 
+<td class=cellinside> 0.208</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Cat 2</td>
 <td class=cellinside>-0.167</td>
-<td class=cellinside> 0.460</td></tr>
- 
+<td class=cellinside> 0.460</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Cat 3</td>
 <td class=cellinside> 0.138</td>
-<td class=cellinside> 0.732</td></tr>
+<td class=cellinside> 0.732</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/Rasch_parameter_estimation.rkout b/tests/item_response_theory/Rasch_parameter_estimation.rkout
index 0b829e95..8191e5d2 100644
--- a/tests/item_response_theory/Rasch_parameter_estimation.rkout
+++ b/tests/item_response_theory/Rasch_parameter_estimation.rkout
@@ -12,26 +12,26 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Dffclt</th><th>Dscrmn</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>Item 1</td>
 <td class=cellinside>-3.62</td>
-<td class=cellinside> 0.76</td></tr>
- 
+<td class=cellinside> 0.76</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 2</td>
 <td class=cellinside>-1.32</td>
-<td class=cellinside> 0.76</td></tr>
- 
+<td class=cellinside> 0.76</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 3</td>
 <td class=cellinside>-0.32</td>
-<td class=cellinside> 0.76</td></tr>
- 
+<td class=cellinside> 0.76</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 4</td>
 <td class=cellinside>-1.73</td>
-<td class=cellinside> 0.76</td></tr>
- 
+<td class=cellinside> 0.76</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 5</td>
 <td class=cellinside>-2.78</td>
-<td class=cellinside> 0.76</td></tr>
+<td class=cellinside> 0.76</td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/Wald_test.messages.txt b/tests/item_response_theory/Wald_test.messages.txt
index 0e7d58a7..cc54be54 100644
--- a/tests/item_response_theory/Wald_test.messages.txt
+++ b/tests/item_response_theory/Wald_test.messages.txt
@@ -1,3 +1,7 @@
 Warning in Waldtest.Rm(estimates.rsm) :
   
-The following items were excluded due to inappropriate response patterns within subgroups: 
+The following items were excluded due to inappropriate response patterns within
+subgroups:
+I2 I3 I4 I5
+
+Subgroup models are estimated without these items!
diff --git a/tests/item_response_theory/Wald_test.rkout b/tests/item_response_theory/Wald_test.rkout
index a95bbb0f..c20995b5 100644
--- a/tests/item_response_theory/Wald_test.rkout
+++ b/tests/item_response_theory/Wald_test.rkout
@@ -12,36 +12,32 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>z-statistic</th><th>p-value</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>beta I1.c1</td>
 <td class=cellinside> 0.39</td>
-<td class=cellinside> 0.70</td></tr>
- 
+<td class=cellinside> 0.70</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>beta I1.c2</td>
 <td class=cellinside> 0.15</td>
-<td class=cellinside> 0.88</td></tr>
- 
+<td class=cellinside> 0.88</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>beta I1.c3</td>
 <td class=cellinside> 0.16</td>
-<td class=cellinside> 0.88</td></tr>
- 
+<td class=cellinside> 0.88</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>beta I6.c1</td>
 <td class=cellinside>-0.39</td>
-<td class=cellinside> 0.70</td></tr>
- 
+<td class=cellinside> 0.70</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>beta I6.c2</td>
 <td class=cellinside> 0.14</td>
-<td class=cellinside> 0.89</td></tr>
- 
+<td class=cellinside> 0.89</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>beta I6.c3</td>
 <td class=cellinside> 0.15</td>
-<td class=cellinside> 0.88</td></tr>
+<td class=cellinside> 0.88</td> </tr>
  
 	</tbody>
 </table>
  </td></table>
  <br>
-<h2>Messages, warnings, or errors:</h2>
-<pre class="output_normal">I2 I3 I4 I5 
-Subgroup models are estimated without these items!
-</pre>
diff --git a/tests/item_response_theory/goodnes-of-fit_Rasch.rkout b/tests/item_response_theory/goodnes-of-fit_Rasch.rkout
index a93bd436..ad0c2ead 100644
--- a/tests/item_response_theory/goodnes-of-fit_Rasch.rkout
+++ b/tests/item_response_theory/goodnes-of-fit_Rasch.rkout
@@ -1,13 +1,13 @@
 <h1>Goodness of Fit for Rasch Models (estimates.rasch)</h1>
-DATE<br>
+DATE<br />
 
 <p class='character'>Call:</p>
 <pre>rasch(data = LSAT)</pre>
 <h4>Parametric Bootstrap test:</h4>
-<br>
+<br />
 
 <p class='character'>Chi-squared statistic: 18.345</p>
 
 <p class='character'>Bootstrap samples: 49</p>
 
-<p class='character'>p-value: 0.78</p>
+<p class='character'>p-value: 0.84</p>
diff --git a/tests/item_response_theory/item_fit_statistics.rkout b/tests/item_response_theory/item_fit_statistics.rkout
index 7a2cb757..9abddc8f 100644
--- a/tests/item_response_theory/item_fit_statistics.rkout
+++ b/tests/item_response_theory/item_fit_statistics.rkout
@@ -16,26 +16,26 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>X^2</th><th>Pr (>X^2)</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>Item 1</td>
 <td class=cellinside>61.929 </td>
-<td class=cellinside>0.000  </td></tr>
- 
+<td class=cellinside>0.000  </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 2</td>
 <td class=cellinside>159.01 </td>
-<td class=cellinside>0.000  </td></tr>
- 
+<td class=cellinside>0.000  </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 3</td>
 <td class=cellinside>233.787</td>
-<td class=cellinside>0.000  </td></tr>
- 
+<td class=cellinside>0.000  </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 4</td>
 <td class=cellinside>132.473</td>
-<td class=cellinside>0.000  </td></tr>
- 
+<td class=cellinside>0.000  </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 5</td>
 <td class=cellinside>84.76  </td>
-<td class=cellinside>0.000  </td></tr>
+<td class=cellinside>0.000  </td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/person_fit_statistics.rkout b/tests/item_response_theory/person_fit_statistics.rkout
index 54f3c0d7..ebfdc992 100644
--- a/tests/item_response_theory/person_fit_statistics.rkout
+++ b/tests/item_response_theory/person_fit_statistics.rkout
@@ -12,7 +12,7 @@ DATE<br />
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Item 1</th><th>Item 2</th><th>Item 3</th><th>Item 4</th><th>Item 5</th><th>L0</th><th>Lz</th><th>Pr (<Lz)</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>1</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>0     </td>
@@ -21,8 +21,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-3.991</td>
 <td class=cellinside>-1.119</td>
-<td class=cellinside>0.132 </td></tr>
- 
+<td class=cellinside>0.132 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>2</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>0     </td>
@@ -31,8 +31,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-3.947</td>
 <td class=cellinside>-1.092</td>
-<td class=cellinside>0.137 </td></tr>
- 
+<td class=cellinside>0.137 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>3</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>0     </td>
@@ -41,8 +41,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-4.74 </td>
 <td class=cellinside>-2.019</td>
-<td class=cellinside>0.022 </td></tr>
- 
+<td class=cellinside>0.022 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>4</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>0     </td>
@@ -51,8 +51,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-4.121</td>
 <td class=cellinside>-1.338</td>
-<td class=cellinside>0.091 </td></tr>
- 
+<td class=cellinside>0.091 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>5</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>0     </td>
@@ -61,8 +61,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-5.806</td>
 <td class=cellinside>-3.266</td>
-<td class=cellinside>0.001 </td></tr>
- 
+<td class=cellinside>0.001 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>6</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>0     </td>
@@ -71,8 +71,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-5.187</td>
 <td class=cellinside>-2.477</td>
-<td class=cellinside>0.007 </td></tr>
- 
+<td class=cellinside>0.007 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>7</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>0     </td>
@@ -81,8 +81,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-5.98 </td>
 <td class=cellinside>-3.324</td>
-<td class=cellinside>0     </td></tr>
- 
+<td class=cellinside>0     </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>8</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>0     </td>
@@ -91,8 +91,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-4.772</td>
 <td class=cellinside>-2.031</td>
-<td class=cellinside>0.021 </td></tr>
- 
+<td class=cellinside>0.021 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>9</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>1     </td>
@@ -101,8 +101,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-5.047</td>
 <td class=cellinside>-2.379</td>
-<td class=cellinside>0.009 </td></tr>
- 
+<td class=cellinside>0.009 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>10</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>1     </td>
@@ -111,8 +111,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-4.428</td>
 <td class=cellinside>-1.666</td>
-<td class=cellinside>0.048 </td></tr>
- 
+<td class=cellinside>0.048 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>11</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>1     </td>
@@ -121,8 +121,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-4.013</td>
 <td class=cellinside>-1.309</td>
-<td class=cellinside>0.095 </td></tr>
- 
+<td class=cellinside>0.095 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>12</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>1     </td>
@@ -131,8 +131,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-5.08 </td>
 <td class=cellinside>-2.324</td>
-<td class=cellinside>0.01  </td></tr>
- 
+<td class=cellinside>0.01  </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>13</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>1     </td>
@@ -141,8 +141,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-5.872</td>
 <td class=cellinside>-3.078</td>
-<td class=cellinside>0.001 </td></tr>
- 
+<td class=cellinside>0.001 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>14</td>
 <td class=cellinside>0     </td>
 <td class=cellinside>1     </td>
@@ -151,8 +151,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-4.04 </td>
 <td class=cellinside>-1.455</td>
-<td class=cellinside>0.073 </td></tr>
- 
+<td class=cellinside>0.073 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>15</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>0     </td>
@@ -161,8 +161,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-3.316</td>
 <td class=cellinside>-0.354</td>
-<td class=cellinside>0.361 </td></tr>
- 
+<td class=cellinside>0.361 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>16</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>0     </td>
@@ -171,8 +171,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-2.697</td>
 <td class=cellinside>0.183 </td>
-<td class=cellinside>0.572 </td></tr>
- 
+<td class=cellinside>0.572 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>17</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>0     </td>
@@ -181,8 +181,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-3.49 </td>
 <td class=cellinside>-0.664</td>
-<td class=cellinside>0.253 </td></tr>
- 
+<td class=cellinside>0.253 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>18</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>0     </td>
@@ -191,8 +191,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-2.282</td>
 <td class=cellinside>0.338 </td>
-<td class=cellinside>0.632 </td></tr>
- 
+<td class=cellinside>0.632 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>19</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>0     </td>
@@ -201,8 +201,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-4.557</td>
 <td class=cellinside>-1.803</td>
-<td class=cellinside>0.036 </td></tr>
- 
+<td class=cellinside>0.036 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>20</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>0     </td>
@@ -211,8 +211,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-3.348</td>
 <td class=cellinside>-0.677</td>
-<td class=cellinside>0.249 </td></tr>
- 
+<td class=cellinside>0.249 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>21</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>0     </td>
@@ -221,8 +221,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-4.141</td>
 <td class=cellinside>-1.431</td>
-<td class=cellinside>0.076 </td></tr>
- 
+<td class=cellinside>0.076 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>22</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>0     </td>
@@ -231,8 +231,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-2.308</td>
 <td class=cellinside>0.019 </td>
-<td class=cellinside>0.508 </td></tr>
- 
+<td class=cellinside>0.508 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>23</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>1     </td>
@@ -241,8 +241,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-3.798</td>
 <td class=cellinside>-0.993</td>
-<td class=cellinside>0.16  </td></tr>
- 
+<td class=cellinside>0.16  </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>24</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>1     </td>
@@ -251,8 +251,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-2.589</td>
 <td class=cellinside>0.045 </td>
-<td class=cellinside>0.518 </td></tr>
- 
+<td class=cellinside>0.518 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>25</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>1     </td>
@@ -261,8 +261,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-3.382</td>
 <td class=cellinside>-0.709</td>
-<td class=cellinside>0.239 </td></tr>
- 
+<td class=cellinside>0.239 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>26</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>1     </td>
@@ -271,8 +271,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-1.549</td>
 <td class=cellinside>0.665 </td>
-<td class=cellinside>0.747 </td></tr>
- 
+<td class=cellinside>0.747 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>27</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>1     </td>
@@ -281,8 +281,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-4.449</td>
 <td class=cellinside>-1.724</td>
-<td class=cellinside>0.042 </td></tr>
- 
+<td class=cellinside>0.042 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>28</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>1     </td>
@@ -291,8 +291,8 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-2.616</td>
 <td class=cellinside>-0.243</td>
-<td class=cellinside>0.404 </td></tr>
- 
+<td class=cellinside>0.404 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>29</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>1     </td>
@@ -301,8 +301,8 @@ DATE<br />
 <td class=cellinside>0     </td>
 <td class=cellinside>-3.409</td>
 <td class=cellinside>-0.918</td>
-<td class=cellinside>0.179 </td></tr>
- 
+<td class=cellinside>0.179 </td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>30</td>
 <td class=cellinside>1     </td>
 <td class=cellinside>1     </td>
@@ -311,7 +311,7 @@ DATE<br />
 <td class=cellinside>1     </td>
 <td class=cellinside>-0.895</td>
 <td class=cellinside>0.841 </td>
-<td class=cellinside>0.8   </td></tr>
+<td class=cellinside>0.8   </td> </tr>
  
 	</tbody>
 </table>
diff --git a/tests/item_response_theory/unidimensional.rkcommands.R b/tests/item_response_theory/unidimensional.rkcommands.R
index 4bef89ea..b64c1a59 100644
--- a/tests/item_response_theory/unidimensional.rkcommands.R
+++ b/tests/item_response_theory/unidimensional.rkcommands.R
@@ -7,7 +7,7 @@ unidim.res <- unidimTest(estimates.rasch)
 rk.header ("Unidimensionality check (estimates.rasch)")
 rk.print ("Call:")
 rk.print.literal (deparse(unidim.res$call, width.cutoff=500))
-rk.header ("Matrix of tertachoric correlations:", level=4)
+rk.header ("Matrix of tetrachoric correlations:", level=4)
 rk.print (unidim.res$Rho)
 rk.header ("Unidimensionality Check using Modified Parallel Analysis:", level=4)
 rk.print ("Alternative hypothesis: <em>The second eigenvalue of the observed data is substantially larger than the second eigenvalue of data under the assumed IRT model</em>")
diff --git a/tests/item_response_theory/unidimensional.rkout b/tests/item_response_theory/unidimensional.rkout
index 0feb9a68..77735577 100644
--- a/tests/item_response_theory/unidimensional.rkout
+++ b/tests/item_response_theory/unidimensional.rkout
@@ -1,10 +1,10 @@
 <h1>Unidimensionality check (estimates.rasch)</h1>
-DATE<br>
+DATE<br />
 
 <p class='character'>Call:</p>
 <pre>rasch(data = LSAT)</pre>
-<h4>Matrix of tertachoric correlations:</h4>
-<br>
+<h4>Matrix of tetrachoric correlations:</h4>
+<br />
 
 
 <p align= center >
@@ -12,55 +12,55 @@ DATE<br>
 <tr><td>
 	<table border=0 class=dataframe>
 	<tbody> <tr class= firstline > <th></th><th>Item 1</th><th>Item 2</th><th>Item 3</th><th>Item 4</th><th>Item 5</th> </tr>
- 
+ <tr> 
 <tr><td class=firstcolumn>Item 1</td>
 <td class=cellinside>1.000</td>
 <td class=cellinside>0.170</td>
 <td class=cellinside>0.228</td>
 <td class=cellinside>0.107</td>
-<td class=cellinside>0.067</td></tr>
- 
+<td class=cellinside>0.067</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 2</td>
 <td class=cellinside>0.170</td>
 <td class=cellinside>1.000</td>
 <td class=cellinside>0.189</td>
 <td class=cellinside>0.111</td>
-<td class=cellinside>0.172</td></tr>
- 
+<td class=cellinside>0.172</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 3</td>
 <td class=cellinside>0.228</td>
 <td class=cellinside>0.189</td>
 <td class=cellinside>1.000</td>
 <td class=cellinside>0.187</td>
-<td class=cellinside>0.105</td></tr>
- 
+<td class=cellinside>0.105</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 4</td>
 <td class=cellinside>0.107</td>
 <td class=cellinside>0.111</td>
 <td class=cellinside>0.187</td>
 <td class=cellinside>1.000</td>
-<td class=cellinside>0.201</td></tr>
- 
+<td class=cellinside>0.201</td> </tr>
+ <tr> 
 <tr><td class=firstcolumn>Item 5</td>
 <td class=cellinside>0.067</td>
 <td class=cellinside>0.172</td>
 <td class=cellinside>0.105</td>
 <td class=cellinside>0.201</td>
-<td class=cellinside>1.000</td></tr>
+<td class=cellinside>1.000</td> </tr>
  
 	</tbody>
 </table>
  </td></table>
  <br>
 <h4>Unidimensionality Check using Modified Parallel Analysis:</h4>
-<br>
+<br />
 
 <p class='character'>Alternative hypothesis: <em>The second eigenvalue of the observed data is substantially larger than the second eigenvalue of data under the assumed IRT model</em></p>
 
 <p class='character'>Second eigenvalue in the observed data: 0.225</p>
 
-<p class='character'>Average of second eigenvalues in Monte Carlo samples: 0.255</p>
+<p class='character'>Average of second eigenvalues in Monte Carlo samples: 0.257</p>
 
 <p class='character'>Monte Carlo samples: 100</p>
 
-<p class='character'>p-value: 0.634</p>
+<p class='character'>p-value: 0.703</p>


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