[RkWard-devel] [rkward - Help] RE: bugs in the scatterplot-plugin / p-value??

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By: tfry

Hi,

> I tried some plots and there seem to be problems communicating with the R-backend
(I am using kubuntu edgy and upgraded the ubuntu package (rkward .36) to version
.41).

Not sure, what exactly you mean. Could you provide some more detail on what
is / is not happening? I have simplified the scatterplot plugin somewhat in
0.4.2, which is to be released real soon, now, but it was working before, here.

> Furthermore I was confused to find that there are no p-values for correlations
- is there a way to display them?

Not yet, unfortunately. In R, computing the correlation, and testing for significance
is two different functions, which is why I did not add this right away, when
I wrote the correlation plugin (long time ago). You can test for significance
(pairwise) using cor.test (). Of course, sooner or later, this should be integrated
into the correlations plugin.

> is there a way to keep the code displayed when using the rkward-menue as simple
(and have all the extrainformation -for the nice table and all, I presume -
processed hidden)?

No, not yet. As a short term amelioration, in 0.4.2, there will be "captions"
on the code segments, to structure the generated code a bit. Also, the code
for several of the older plugins (scatterplot and correlations among them) will
have to be cleaned up considerably. Some are much more complex/messy than necessary,
indeed.

In the past, the development focus has been on the IDE features of rkward. In
number and quality of plugins (i.e. GUI access to statistics functions) we're
still far behind RCommander (but see, e.g. the distributions plugins produced
by sjar, for some development in that area). This will slowly improve over the
next releases.

Regards
Thomas

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