Displaying 4 results from an estimated 4 matches for "peyuco".
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peudo
2004 Aug 15
3
calibration/validation sets
Hi;
Does anyone know how to create a calibration and validation set from a particular dataset? I have a dataframe with nearly 20,000 rows! and I would like to select (randomly) a subset from the original dataset (...I found how to do that) to use as calibration set. However, I don't know how to remove this "calibration" set from the original dataframe in order to get my
2005 Feb 28
1
formatting output
...is not a dataframe and I can't coarce it to this
format. Is it possible to get the results of this function as a
dataframe? I know that I'm probably missing some important concepts
here but Im not very good in programming.
Any hint will be appreciated
Regards
Peyuco
2004 Aug 17
2
Re: Thanks Frank, setting graph parameters, and why social scientists don't use R
...6. how to draw two graphs in one graph window (Chuanjun Zhang)
> 17. Rserve needs (but cannot find) libR.a (or maybe it's .so)
> (Paul Shannon)
> 18. Re: Rserve needs (but cannot find) libR.a (or maybe it's .so)
> (A.J. Rossini)
> 19. calibration/validation sets (Peyuco Porras Porras .)
> 20. RE: calibration/validation sets (Austin, Matt)
> 21. Re: calibration/validation sets (Kevin Wang)
> 22. RE: calibration/validation sets (Liaw, Andy)
> 23. Dirichlet-Multinomial (Z P)
> 24. Re: how to draw two graphs in one graph window
> (Adaikalav...
2005 Oct 12
0
Model parameterization / Factor Levels
Dear R users;
I'm looking for some hint about how to deal with the following situation:
Response = Y
Factor A = levels: 0, 1
Factor B = levels: 0, 1
Factor C = levels: 1,2,3,4
Model: Logistic 3-parms.
where th1~1+A+C, th2~1+C; th3~1
For 'simplicity' (for me) I'm using the SAS contrast parameterization.
The output looks like
Beta p-value
th1.(Intercept) 550