[R] Help partimat()
Uwe Ligges
ligges at statistik.tu-dortmund.de
Tue Jun 24 12:11:41 CEST 2014
On 23.06.2014 19:28, daniel_stahl at operamail.com wrote:
> I am a bit late for this discussion but hope that I might still get an
> answer. I tried to follow your advice and had a look at "drawparti" but
> could not find the relevant section about how to plot specific pairs of
> variables
>
> I am trying to plot only a few combinations a few several combinations
> but always received an error message: For example here I tried to plot
> variable 2 with all other variables (=3 to 10). [,1] is my grouping
> variable.
>
> drawparti(mydata[,1] ~ mydata[,2], mydata[,3:10], data = mydata,
> method = "rda", gamma=0,lamda=1)
>
> Error in rda.formula(grouping ~ x + y, data = cbind.data.frame(grouping
> = grouping, :
> formal argument "data" matched by multiple actual arguments
>
As I said a year ago, partimat is the worker for drawparti and hence
does not have the most convenient interface, hence you want soemthig like:
What you want is something like:
par(mfrow = c(4,2))
for(i in 3:10)
drawparti(mydata[,1], mydata[,2], mydata[,i], method = "rda",
gamma=0, lamda=1)
Best,
Uwe Ligges
> Best wishes, Daniel
>
> >
>
> On Friday, March 29, 2013 3:13:58 PM UTC, Uwe Ligges wrote:
>
>
>
> On 29.03.2013 15:59, Antelmo Aguilar wrote:
> > Hello David,
> >
> > Thank you for letting me know that the partimat() function calls
> that function. I am kind of knew to R so I do not know exactly how
> to describe the structure. If I understand correctly, what I
> essentially need to do is pass in all the different data sets into
> one partimat() function and then the partimat() function will create
> the different plots and the way the different data sets get passed
> in is by describing a structure of the different data and passing it
> into the partimat() function. Is my thinking correct? Would it also
> be possible if I could be directed to a website that shows me how to
> describe a data structure or if someone could be so generous as to
> tell me how to do this? I would greatly appreciate it and thank you
> for the help.
>
>
> partimat is intended to plot several plots for each combination of
> explanatory variables in a classification problem.
>
> If you want to generate such plots separately and/or combine them in
> another way, see the help page. It says "See Also: for much more fine
> tuning see drawparti". The latter function allows to generate a single
> plot that can again be arranged within others by the user.
>
> Best,
> Uwe Ligges
>
>
>
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