[RkWard-devel] distribution plugin

[Stefan Rödiger]

Hi there,

unexpected I was too busy this week to finish the plug-ins as intended. 
However, I promised to provide them this week. You will find them as 
attachment.

So far only the calculations work more or less properly. Charting is 
still a problem because some of the needed arguments form RKWards side 
as still "mysterious" to me. Anyway, I attached my existing stuff too.
The plan is to extend the functionality of RKWard at least to the level 
of Rcmdr. So my plans go farer. The following table gives an overview of 
available and planed Distribution functions according to the R syntax. 
Random deviates and quantile functions are not jet supported in general.

Distribution

	

d-command

	


	

p-command

	


	

q-command

	


	

r-command

	


Binomial

	

dbinom

	

*x*

	

pbinom

	

*x*

	

qbinom

	


	

rbinom

	


Chi-Squared

	

dchisq

	

*x*

	

pchisq

	

*x*

	

qchisq

	


	

rchisq

	


Exponential

	

dexp

	


	

pexp

	


	

qexp

	


	

rexp

	


Gamma

	

dgamma

	


	

pgamma

	


	

qgamma

	


	

rgamma

	


Normal

	

dnorm

	

*x*

	

pnorm

	

*x*

	

qnorm

	


	

rnorm

	


Poisson

	

dpois

	

*x*

	

ppois

	

*x*

	

qpois

	


	

rpois

	


Snedecor's F

	

df

	

*x*

	

pf

	

*x*

	

qf

	


	

rf

	


Student's T

	

dt

	

*x*

	

pt

	

*x*

	

qt

	


	

rt

	


Uniform

	

dunif

	


	

punif

	


	

qunif

	


	

runif

	


Weibull

	

dweibull

	


	

pweibull

	


	

qweibull

	


	

rweibull

	



I hope to complete all within the next weeks. Moreover some names might 
be misleading. I'm open for suggestions.
Another question about the dialogues in "my" plugins. When I invoke the 
rk.graph.on () function is the code no more visible in the code frame. 
Is this only my observation or ... ? Example:

rk.graph.on ()

To answer some previous open posts:

@Pierre:
I found your name on the KStat homepage while I was searching for an R 
frontend. For any reason I kept it in mind and remembered when I saw it 
on the RKWard homepage.

@Thomas:
I asked for syntax highlighting. And I was indeed thinking of the 
console. But if it is hard to implement just forget my stupid idea. 
Obviously there would be workarounds (external editor) for people who 
would need this.


Cheers!

Stefan
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