similar to: Getting runtime error in stepclass

Hi, I'm trying to use "stepclass" to do a stepwise variable selection with method=lda. I keep getting this warning message, which shows up once for each variable added to the model during variable selection: Warning message: error(s) in modeling/prediction step in: cv.rate(vars = c(model, tryvar), data = data, grouping = grouping, I don't know how to interpret this warning. I

Hi, a colleague ran a stepwise discriminant analysis twice in a row and got different results, suggesting some "sochasticity" in the algorithms involved. I looked at her data and found that there was a lot of collinearity, so that I reckoned that maybe "stepclass" (klaR) cannot find a clear winner when trying to include a new variable and makes a random choice. Is that true?

I use Windows, R version 2.5.1 When I try to run stepclass (klaR) I get an error message/warning saying: 1: error(s) in modeling/prediction step in: cv.rate(vars = c(model, tryvar), data = data, grouping = grouping, ... Actually, I look 16 warnings of this type. Can anyone tell me what this means? Also, it returns only 2 out of the 79 variables as important, however these variables

Dear R users, I have some environmental variables and I need to find the best combination of them in order to separate two main groups (coded 1 and 2). I have performed a discriminant analysis using the stepclass function as a method for selecting the most relevant environmental variables. The problem is that this function includes a parameter (start.vars) and my results change a lot when I

Dear All, I am looking at discriminating among several individuals based on a few variable sets (I think some variables do not make sense unless they are entered together, so I "force" them into the models together, hence datasets). I have done so with linear discriminant analysis (LDA) using "MASS::lda", with acceptable results. However, one of my collaborators

Hi! First I would like to thank you for the help with my first question. However,I am afraid I am still into trouble. I think I have properly used the getGropus commad but seems to be a fatal error when calculating the fixed effects (see bellow) and I cannot understand why. Any inputs? Thanks in advance, /Jose hongos1=read.table("c:/temp/hongos1.txt", header=T) > attach(hongos1)

Hi, im having an issue running starcraft under Wine with GMA500, its the only thing i will use wine for on this ASUS EEE 1101 Code: psb_scene.c:99: psb_scene_create: Assertion `scene->drm_scene->h <= region_height' failed. wine: Assertion failed at address 0xb7f1e430 (thread 0009), starting debugger... Unhandled exception: assertion failed in 32-bit code (0xb7f1e430). Register