[rkward-cvs] SF.net SVN: rkward-code:[4940] branches/external_plugins/rk.power

m-eik at users.sf.net m-eik at users.sf.net
Sun Oct 19 20:45:45 UTC 2014


Revision: 4940
          http://sourceforge.net/p/rkward/code/4940
Author:   m-eik
Date:     2014-10-19 20:45:43 +0000 (Sun, 19 Oct 2014)
Log Message:
-----------
rk.power: ready for an updated release

Modified Paths:
--------------
    branches/external_plugins/rk.power/DESCRIPTION
    branches/external_plugins/rk.power/R/rk.power-package.R
    branches/external_plugins/rk.power/debian/changelog
    branches/external_plugins/rk.power/inst/CITATION
    branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.js
    branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.rkh
    branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.xml
    branches/external_plugins/rk.power/inst/rkward/rk.power.pluginmap
    branches/external_plugins/rk.power/inst/rkward/rkwarddev_power_plugin_script.R
    branches/external_plugins/rk.power/man/rk.power-package.Rd

Added Paths:
-----------
    branches/external_plugins/rk.power/ChangeLog
    branches/external_plugins/rk.power/inst/NEWS.Rd

Added: branches/external_plugins/rk.power/ChangeLog
===================================================================
--- branches/external_plugins/rk.power/ChangeLog	                        (rev 0)
+++ branches/external_plugins/rk.power/ChangeLog	2014-10-19 20:45:43 UTC (rev 4940)
@@ -0,0 +1,8 @@
+ChangeLog for package rk.power
+
+changes in version 0.01-3 (2014-10-19)
+changed:
+  - reworked the order of input elements and parameters for GLM (thomas friedrichsmeier)
+added:
+  - full set of documentation (thomas friedrichsmeier)
+  - first ChangeLog (after two initial testing releases)

Modified: branches/external_plugins/rk.power/DESCRIPTION
===================================================================
--- branches/external_plugins/rk.power/DESCRIPTION	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/DESCRIPTION	2014-10-19 20:45:43 UTC (rev 4940)
@@ -2,15 +2,16 @@
 Type: Package
 Title: RKWard GUI to perform power analysis and sample size estimation.
 Version: 0.01-3
-Date: 2014-10-08
+Date: 2014-10-19
 Author: Meik Michalke <meik.michalke at hhu.de>
 Maintainer: Meik Michalke <meik.michalke at hhu.de>
-Depends: rkward (>= 0.5.6)
+Depends:
+    rkward (>= 0.5.6)
 Enhances: rkward
-Description: RKWard GUI to perform power analysis and sample size
-        estimation.
+Description: RKWard GUI to perform power analysis and sample size estimation.
 License: GPL (>= 3)
 LazyLoad: yes
 URL: http://rkward.sf.net
-Authors at R: person(given="Meik", family="Michalke",
-        email="meik.michalke at hhu.de", role=c("aut", "cre"))
+Authors at R: c(person(given="Meik", family="Michalke",
+    email="meik.michalke at hhu.de", role=c("aut", "cre")), person(given="Thomas",
+    family="Friedrichsmeier", role="ctb"))

Modified: branches/external_plugins/rk.power/R/rk.power-package.R
===================================================================
--- branches/external_plugins/rk.power/R/rk.power-package.R	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/R/rk.power-package.R	2014-10-19 20:45:43 UTC (rev 4940)
@@ -3,8 +3,8 @@
 #' \tabular{ll}{
 #' Package: \tab rk.power\cr
 #' Type: \tab Package\cr
-#' Version: \tab 0.01-2\cr
-#' Date: \tab 2014-10-05\cr
+#' Version: \tab 0.01-3\cr
+#' Date: \tab 2014-10-19\cr
 #' Depends: \tab  rkward (>= 0.5.6)\cr
 #' Enhances: \tab rkward\cr
 #' License: \tab GPL (>= 3)\cr
@@ -18,6 +18,6 @@
 #' @name rk.power-package
 #' @docType package
 #' @title The rk.power Package
-#' @author Meik Michalke
+#' @author Meik Michalke, with contributions from Thomas Friedrichsmeier
 #' @keywords package
 NULL

Modified: branches/external_plugins/rk.power/debian/changelog
===================================================================
--- branches/external_plugins/rk.power/debian/changelog	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/debian/changelog	2014-10-19 20:45:43 UTC (rev 4940)
@@ -1,3 +1,9 @@
+r-other-rkward-rk.power (0.01-3-1) unstable; urgency=low
+
+  * new upstream release
+
+ -- m.eik michalke <meik.michalke at hhu.de>  Sun, 19 Oct 2014 22:31:13 +0200
+
 r-other-rkward-rk.power (0.01-2-1) unstable; urgency=low
 
   * new upstream release

Modified: branches/external_plugins/rk.power/inst/CITATION
===================================================================
--- branches/external_plugins/rk.power/inst/CITATION	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/inst/CITATION	2014-10-19 20:45:43 UTC (rev 4940)
@@ -2,12 +2,12 @@
     title="rk.power: RKWard GUI to perform power analysis and sample size estimation.",
     author="Meik Michalke",
     year="2014",
-    note="(Version 0.01-2)",
+    note="(Version 0.01-3)",
     url="http://rkward.sf.net",
 
     textVersion =
     paste("Michalke, M. (2014). ",
-        "rk.power: RKWard GUI to perform power analysis and sample size estimation. (Version 0.01-2). ",
+        "rk.power: RKWard GUI to perform power analysis and sample size estimation. (Version 0.01-3). ",
         "Available from http://rkward.sf.net",
         sep=""),
 

Added: branches/external_plugins/rk.power/inst/NEWS.Rd
===================================================================
--- branches/external_plugins/rk.power/inst/NEWS.Rd	                        (rev 0)
+++ branches/external_plugins/rk.power/inst/NEWS.Rd	2014-10-19 20:45:43 UTC (rev 4940)
@@ -0,0 +1,15 @@
+\name{NEWS}
+\title{News for Package 'rk.power'}
+\section{Changes in rk.power version 0.01-3 (2014-10-19)}{
+  \subsection{changed}{
+    \itemize{
+      \item reworked the order of input elements and parameters for GLM (thomas friedrichsmeier)
+    }
+  }
+  \subsection{added}{
+    \itemize{
+      \item full set of documentation (thomas friedrichsmeier)
+      \item first ChangeLog (after two initial testing releases)
+    }
+  }
+}

Modified: branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.js
===================================================================
--- branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.js	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.js	2014-10-19 20:45:43 UTC (rev 4940)
@@ -10,15 +10,13 @@
 
 function calculate(){
 	// read in variables from dialog
-	var radPwrParam = getValue("rad_pwr_param");
-	var radPwrParam2samples = getValue("rad_pwr_param_2samples");
-	var radPwrParam2df = getValue("rad_pwr_param_2df");
 	var drpPwrStat = getValue("drp_pwr_stat");
 	var spnNmbrfgrp = getValue("spn_Nmbrfgrp");
 	var drpPwrType = getValue("drp_pwr_type");
 	var drpPwrProptype = getValue("drp_pwr_proptype");
 	var drpPwrHypothesis = getValue("drp_pwr_hypothesis");
 	var radEffctEta = getValue("rad_effct_eta");
+	var radPwrParam = getValue("rad_pwr_param");
 	var spnPower = getValue("spn_Power");
 	var pwrSpinDf = getValue("pwr_spin_df");
 	var pwrSpinDfu = getValue("pwr_spin_dfu");
@@ -37,10 +35,8 @@
 		echo("pwr.t2n.test(");
 	if(radPwrParam != "Sample size") {
 		echo("\n\t\t\tn1=" + pwrSpinSample1 + ",\n\t\t\tn2=" + pwrSpinSample2);
-	} else if(radPwrParam2samples == "n2") {
+	} else {
 		echo("\n\t\t\tn1=" + pwrSpinSample1 + ",");
-	} else {
-		echo("\n\t\t\tn2=" + pwrSpinSample2 + ",");
 	}
 	} else {
 		echo("pwr.t.test(");
@@ -83,13 +79,15 @@
 	}
 	if(drpPwrStat == "pwr.f2.test") {
 		echo("pwr.f2.test(");
-	if(radPwrParam != "Sample size") {
-		echo(",\n\t\t\tu=" + pwrSpinDfu + ",\n\t\t\tv=" + pwrSpinDfv);
-	} else if(radPwrParam2df == "v") {
+	if(radPwrParam != "Parameter count") {
 		echo("\n\t\t\tu=" + pwrSpinDfu);
-	} else {
-		echo("\n\t\t\tv=" + pwrSpinDfv);
 	}
+	if(radPwrParam != "Sample size") {
+		if(radPwrParam != "Parameter count") {
+		echo(",");
+	}
+	echo("\n\t\t\tv=" + pwrSpinDfv);
+	}
 	if(radPwrParam != "Effect size") {
 		echo(",\n\t\t\tf2=" + spnEffectsz);
 	}
@@ -130,11 +128,7 @@
 		echo("\n\t\t\tn1=" + pwrSpinSample1 + ",\n\t\t\tn2=" + pwrSpinSample2);
 	}
 	} else if(drpPwrProptype == "two.sample.diff") {
-		if(radPwrParam2samples == "n2") {
-			echo(",\n\t\t\tn1=" + pwrSpinSample1);
-		} else {
-			echo(",\n\t\t\tn2=" + pwrSpinSample2);
-		}
+		echo(",\n\t\t\tn1=" + pwrSpinSample1);
 	}
 	}
 	if(drpPwrStat == "pwr.norm.test") {

Modified: branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.rkh
===================================================================
--- branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.rkh	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.rkh	2014-10-19 20:45:43 UTC (rev 4940)
@@ -12,55 +12,82 @@
 		Given three of the parameters 'power of test', 
 		  'sample size', 'effect size', and 'significance level', this plugin will 
 		  estimate the fourth, i.e. for example the test power of a t.test at a given 
-		  sample size, effect size, and level of significance. On the left hand control, 
-		  select which of the parameters to estimate. In the middle, specify the 
+		  sample size, effect size, and level of significance. On the left hand, specify the 
 		  statistical method, on the right hand side, enter the values of the given 
-		  parameters.
+		  parameters. In the control in the middle, select which of the parameters to estimate.
+		
+
+		  Note that in some cases it will not be possible to estimate a (finite) parameter at the given
+		  specifications. In general, this means that you have to increase sample size(s) or effect size,
+		  or decrease effect power or parameter count.
 	</usage>
 	<!-- <section id="sct_EDITORDE" title="EDIT OR DELETE ME">
 				EDIT OR DELETE ME
 			</section> -->
 	<settings>
+		<caption id="frm_SttstclM" />
+		<setting id="drp_pwr_stat">
+			Specify the statistical method to perform power estimation for
+		</setting>
+		<setting id="spn_Nmbrfgrp">
+			Number of groups. For ANOVA, only.
+		</setting>
+		<setting id="drp_pwr_type">
+			Only enabled where applicable. Specify the nature of samples used in the test. For samples of different sizes, only one sample size can be estimated.
+		</setting>
+		<setting id="drp_pwr_hypothesis">
+			Specify the hypothesis to use. Note that for the one-sided hypothesis "first is greater",
+			           a positive effect size is expected. For "second is greater", a negative effect size is expected.
+		</setting>
+		<setting id="rad_effct_eta">
+			Only shown where applicable. Allows you to select, whether to specify the effect size as Cohen's f, or as Eta squared.
+		</setting>
 		<caption id="frm_Targtmsr" />
 		<setting id="rad_pwr_param">
 			Parameter to estimate, given the others.
 		</setting>
-		<setting id="rad_pwr_param_2samples">
-			Only shown when applicable: For estimating the required sample sizes for a test with two 
-			    differently sized samples, specify which should be estimated, and which is 
-			    given.
-		</setting>
-		<setting id="rad_pwr_param_2df" />
-		<caption id="frm_SttstclM" />
-		<setting id="drp_pwr_stat" />
-		<setting id="spn_Nmbrfgrp" />
-		<setting id="drp_pwr_type" />
-		<setting id="drp_pwr_proptype" />
-		<setting id="drp_pwr_hypothesis" />
-		<setting id="rad_effct_eta" />
 		<caption id="frm_Knwnmsrs" />
 		<caption id="frm_spnbPP0801" />
-		<setting id="spn_Power" />
+		<setting id="spn_Power">
+			Targetted power of test (1 minus Type II error probability)
+		</setting>
 		<caption id="frm_sD301D3011" />
-		<setting id="pwr_spin_df" />
-		<setting id="pwr_spin_dfu" />
-		<setting id="pwr_spin_dfv" />
+		<setting id="pwr_spin_df">
+			Only shown for chi-square statistics: Targetted degrees of freedom. As a reminder, this is (rows − 1)×(columns − 1) for a test of independence,
+			                               and (cells − 1) for a test of goodness of fit.
+		</setting>
+		<setting id="pwr_spin_dfu">
+			Only shown for general linear model: Targetted numerator degrees of freedom. As a reminder, this is the number of parameters to estimate, or number of groups/samples minus 1.
+		</setting>
+		<setting id="pwr_spin_dfv">
+			Only shown for general linear model: Available denominator degrees of freedom / degrees of freedom of the error term.
+			                               As a reminder, this is the total number of observations minus numerator degrees of freedom minus 1, or total number of observations minus number of groups/samples.
+		</setting>
 		<caption id="frm_sS0301F130" />
-		<setting id="pwr_spin_sample0" />
-		<setting id="pwr_spin_sample1" />
-		<setting id="pwr_spin_sample2" />
+		<setting id="pwr_spin_sample0">
+			Sample size. Note that depending on the selected method, this can mean observations per sample, per group, or in total. Make sure to read the note shown below the control.
+		</setting>
 		<caption id="frm_sEE0311MCM" />
-		<setting id="spn_Effectsz" />
+		<setting id="spn_Effectsz">
+			Minimum detectable effect size. Note that effect size specifications differ between the available methods. Be sure to read the note shown below the control.
+			
+
+			   As a reminder, for mapping between cohen's f and Eta&sup2; use f&sup2; = Eta&sup2; / (1 − Eta&sup2;)
+		</setting>
 		<caption id="frm_spnSS00501" />
-		<setting id="spn_Sgnfcncl" />
+		<setting id="spn_Sgnfcncl">
+			Targetted level of significance
+		</setting>
 	</settings>
-	<!-- <related>
-				<ul>
-					<li>
-						<link href="rkward://rhelp/..." />
-					</li>
-				</ul>
-			</related> -->
+	<related>
+		<ul>
+			<li>
+				<link href="rkward://rhelp/pwr">
+					Description of the R package "pwr", used to perform the power calculations.
+				</link>
+			</li>
+		</ul>
+	</related>
 	<technical>
 	</technical>
 </document>

Modified: branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.xml
===================================================================
--- branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.xml	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/inst/rkward/plugins/Poweranalysis.xml	2014-10-19 20:45:43 UTC (rev 4940)
@@ -9,6 +9,7 @@
 		<convert id="pwr_lgc_sample" sources="rad_pwr_param.string" mode="equals" standard="Sample size" />
 		<convert id="pwr_lgc_effect" sources="rad_pwr_param.string" mode="equals" standard="Effect size" />
 		<convert id="pwr_lgc_signif" sources="rad_pwr_param.string" mode="equals" standard="Significance level" />
+		<convert id="pwr_lgc_df_u" sources="rad_pwr_param.string" mode="equals" standard="Parameter count" />
 		<connect governor="pwr_lgc_power.not" client="frm_spnbPP0801.enabled" />
 		<connect governor="pwr_lgc_effect.not" client="frm_sEE0311MCM.enabled" />
 		<connect governor="pwr_lgc_signif.not" client="frm_spnSS00501.enabled" />
@@ -35,12 +36,15 @@
 		<connect governor="pwr_lgc_ttest" client="drp_pwr_type.enabled" />
 		<connect governor="pwr_lgc_proptest" client="drp_pwr_proptype.visible" />
 		<connect governor="pwr_lgc_proptest" client="drp_pwr_proptype.enabled" />
+		<connect governor="pwr_lgc_f2test" client="rad_pwr_param.opt_Prmtrcnt.enabled" />
 		<connect governor="pwr_lgc_f2test.not" client="frm_sS0301F130.visible" />
 		<convert id="pwr_lgc_show_df" sources="pwr_lgc_f2test;pwr_lgc_chisq" mode="or" />
 		<connect governor="pwr_lgc_show_df" client="frm_sD301D3011.visible" />
 		<connect governor="pwr_lgc_chisq" client="pwr_spin_df.visible" />
 		<connect governor="pwr_lgc_f2test" client="pwr_spin_dfu.visible" />
+		<connect governor="pwr_lgc_f2test" client="pwr_txt_dfu.visible" />
 		<connect governor="pwr_lgc_f2test" client="pwr_spin_dfv.visible" />
+		<connect governor="pwr_lgc_f2test" client="pwr_txt_dfv.visible" />
 		<convert id="pwr_lgc_efct_d" sources="pwr_lgc_ttest;pwr_lgc_norm" mode="or" />
 		<connect governor="pwr_lgc_efct_d" client="pwr_txt_efct_d.visible" />
 		<connect governor="pwr_lgc_rtest" client="pwr_txt_efct_r.visible" />
@@ -67,25 +71,13 @@
 		<connect governor="pwr_lgc_smpl_diff" client="pwr_spin_sample2.visible" />
 		<connect governor="pwr_lgc_smpl_diff.not" client="pwr_spin_sample0.visible" />
 		<convert id="pwr_lgc_smpl_switch" sources="pwr_lgc_sample;pwr_lgc_smpl_diff" mode="and" />
-		<convert id="pwr_lgc_df_switch" sources="pwr_lgc_sample;pwr_lgc_f2test" mode="and" />
 		<convert id="pwr_lgc_enable_sample_frame" sources="pwr_lgc_sample.not;pwr_lgc_smpl_switch" mode="or" />
 		<connect governor="pwr_lgc_enable_sample_frame" client="frm_sS0301F130.enabled" />
-		<connect governor="pwr_lgc_smpl_switch" client="rad_pwr_param_2samples.visible" />
-		<connect governor="pwr_lgc_df_switch" client="rad_pwr_param_2df.visible" />
-		<convert id="pwr_lgc_smpl_n1" sources="rad_pwr_param_2samples.string" mode="equals" standard="n1" />
-		<convert id="pwr_lgc_smpl_n2" sources="rad_pwr_param_2samples.string" mode="equals" standard="n2" />
-		<convert id="pwr_lgc_df_u" sources="rad_pwr_param_2df.string" mode="equals" standard="u" />
-		<convert id="pwr_lgc_df_v" sources="rad_pwr_param_2df.string" mode="equals" standard="v" />
-		<convert id="pwr_lgc_smpl_show_n1" sources="pwr_lgc_smpl_n2;pwr_lgc_sample.not" mode="or" />
-		<convert id="pwr_lgc_smpl_show_n2" sources="pwr_lgc_smpl_n1;pwr_lgc_sample.not" mode="or" />
-		<convert id="pwr_lgc_df_show_u" sources="pwr_lgc_df_v;pwr_lgc_sample.not" mode="or" />
-		<convert id="pwr_lgc_df_show_v" sources="pwr_lgc_df_u;pwr_lgc_sample.not" mode="or" />
-		<connect governor="pwr_lgc_smpl_show_n1" client="pwr_spin_sample1.enabled" />
-		<connect governor="pwr_lgc_smpl_show_n2" client="pwr_spin_sample2.enabled" />
-		<connect governor="pwr_lgc_df_show_u" client="pwr_spin_dfu.enabled" />
-		<connect governor="pwr_lgc_df_show_v" client="pwr_spin_dfv.enabled" />
-		<connect governor="pwr_lgc_df_show_u" client="pwr_txt_dfu.enabled" />
-		<connect governor="pwr_lgc_df_show_v" client="pwr_txt_dfv.enabled" />
+		<connect governor="pwr_lgc_sample.not" client="pwr_spin_sample2.enabled" />
+		<connect governor="pwr_lgc_df_u.not" client="pwr_spin_dfu.enabled" />
+		<connect governor="pwr_lgc_sample.not" client="pwr_spin_dfv.enabled" />
+		<connect governor="pwr_lgc_df_u.not" client="pwr_txt_dfu.enabled" />
+		<connect governor="pwr_lgc_sample.not" client="pwr_txt_dfv.enabled" />
 		<convert id="pwr_lgc_noalternative" sources="pwr_lgc_anova.not;pwr_lgc_f2test.not;pwr_lgc_chisq.not" mode="and" />
 		<connect governor="pwr_lgc_noalternative" client="drp_pwr_hypothesis.enabled" />
 		<convert id="pwr_lgc_alt_less" sources="drp_pwr_hypothesis.string" mode="equals" standard="less" />
@@ -98,26 +90,7 @@
 		<connect governor="pwr_lgc_alt_warn_pos" client="pwr_txt_hypothesis_pos.visible" />
 	</logic>
 	<dialog label="Power analysis">
-		<row id="row_cTTPPPSSEE">
-			<column id="clm_fTTPPPSSEE">
-				<frame label="Target measure" id="frm_Targtmsr">
-					<radio id="rad_pwr_param" label="Parameter to determine">
-						<option label="Power of test" value="Power" checked="true" />
-						<option label="Sample size" value="Sample size" />
-						<option label="Effect size" value="Effect size" />
-						<option label="Significance level" value="Significance level" />
-					</radio>
-					<stretch />
-					<radio id="rad_pwr_param_2samples" label="Estimate">
-						<option label="First sample" value="n1" />
-						<option label="Second sample" value="n2" checked="true" />
-					</radio>
-					<radio id="rad_pwr_param_2df" label="Estimate">
-						<option label="Numerator" value="u" checked="true" />
-						<option label="Denominator" value="v" />
-					</radio>
-				</frame>
-			</column>
+		<row id="row_cSMSMSTCAN">
 			<column id="clm_fSMSMSTCAN">
 				<frame label="Statistical Method" id="frm_SttstclM">
 					<dropdown id="drp_pwr_stat" label="Select a method">
@@ -159,6 +132,18 @@
 				</frame>
 				<stretch />
 			</column>
+			<column id="clm_fTTPPPSSEE">
+				<frame label="Target measure" id="frm_Targtmsr">
+					<radio id="rad_pwr_param" label="Parameter to determine">
+						<option label="Power of test" value="Power" checked="true" />
+						<option label="Sample size" value="Sample size" />
+						<option label="Effect size" value="Effect size" />
+						<option label="Significance level" value="Significance level" />
+						<option label="Parameter count" value="Parameter count" id="opt_Prmtrcnt" />
+					</radio>
+					<stretch />
+				</frame>
+			</column>
 			<column id="clm_fKKPP0801P">
 				<frame label="Known measures" id="frm_Knwnmsrs">
 					<frame id="frm_spnbPP0801">
@@ -178,7 +163,7 @@
 							df 							<sub>
 								den
 							</sub>
-							: k × (n − 1)
+							: N − k
 						</text>
 					</frame>
 					<frame id="frm_sS0301F130">

Modified: branches/external_plugins/rk.power/inst/rkward/rk.power.pluginmap
===================================================================
--- branches/external_plugins/rk.power/inst/rkward/rk.power.pluginmap	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/inst/rkward/rk.power.pluginmap	2014-10-19 20:45:43 UTC (rev 4940)
@@ -15,7 +15,7 @@
 		shortinfo="RKWard GUI to perform power analysis and sample size estimation."
 		longinfo="RKWard GUI to perform power analysis and sample size estimation."
 		version="0.01-3"
-		releasedate="2014-10-08"
+		releasedate="2014-10-19"
 		url="http://rkward.sf.net"
 		license="GPL (>= 3)"
 	>
@@ -25,6 +25,11 @@
 			email="meik.michalke at hhu.de"
 			role="aut, cre"
 		 />
+		<author 
+			given="Thomas"
+			family="Friedrichsmeier"
+			role="ctb"
+		 />
 	</about>
 	<components>
 		<component 

Modified: branches/external_plugins/rk.power/inst/rkward/rkwarddev_power_plugin_script.R
===================================================================
--- branches/external_plugins/rk.power/inst/rkward/rkwarddev_power_plugin_script.R	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/inst/rkward/rkwarddev_power_plugin_script.R	2014-10-19 20:45:43 UTC (rev 4940)
@@ -3,7 +3,8 @@
 # note: this script only creates objects in your workspace,
 # *EXCEPT* for the last call, see below.
 
-require(rkwarddev) ## this script needs rkwarddev >= 0.06-5
+require(rkwarddev)
+rkwarddev.required("0.06-5")
 
 local({
 # set the output directory to overwrite the actual plugin
@@ -16,7 +17,8 @@
   name="rk.power",
   author=c(
     person(given="Meik", family="Michalke",
-      email="meik.michalke at hhu.de", role=c("aut","cre"))),
+      email="meik.michalke at hhu.de", role=c("aut","cre")),
+    person(given="Thomas", family="Friedrichsmeier", role=c("ctb"))),
   about=list(desc="RKWard GUI to perform power analysis and sample size estimation.",
     version="0.01-3", url="http://rkward.sf.net")
   )

Modified: branches/external_plugins/rk.power/man/rk.power-package.Rd
===================================================================
--- branches/external_plugins/rk.power/man/rk.power-package.Rd	2014-10-19 20:43:38 UTC (rev 4939)
+++ branches/external_plugins/rk.power/man/rk.power-package.Rd	2014-10-19 20:45:43 UTC (rev 4940)
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.0.1): do not edit by hand
+% Generated by roxygen2 (4.0.2): do not edit by hand
 \docType{package}
 \name{rk.power-package}
 \alias{rk.power-package}
@@ -10,8 +10,8 @@
 \tabular{ll}{
 Package: \tab rk.power\cr
 Type: \tab Package\cr
-Version: \tab 0.01-2\cr
-Date: \tab 2014-10-05\cr
+Version: \tab 0.01-3\cr
+Date: \tab 2014-10-19\cr
 Depends: \tab  rkward (>= 0.5.6)\cr
 Enhances: \tab rkward\cr
 License: \tab GPL (>= 3)\cr
@@ -22,7 +22,7 @@
 RKWard GUI to perform power analysis and sample size estimation.
 }
 \author{
-Meik Michalke
+Meik Michalke, with contributions from Thomas Friedrichsmeier
 }
 \keyword{package}
 





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