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I keep getting this error when I try to use the sem package. I and another person who has successfully used the sem package for similar analysis (fMRI effective connectivity) cannot figure out what is wrong with my code. I would appreciate any suggestions. The error message: Error in data.frame(object$coeff, se, z, 2 * (1 - pnorm(abs(z))), par.code) : arguments imply differing

Hey, I just read another post about calling R from C. Someone on stackoverflow (DWin makes me suspect its David W.?) referenced this: http://www.math.univ-montp2.fr/~pudlo/R_files/call_R.pdf Which made me think: Why is a loop in R bad, but in C not? And where exactly does looping cost the most? I wrote a piece of code for my bachelor's thesis where I loop from 1 to 500, and estimate a boosted model in every iteration. The procedure takes 2-6 minutes. In this example...

Hi, I am trying to "do" a dyn.load(), but I get the following error... > dyn.load("fileGT.dll") Error in dyn.load(x, as.logical(local), as.logical(now)) : unable to load shared library "C:/R_Files/fileGT.dll": LoadLibrary failure: The specified module could not be found. It states it can't find the dll but it is in that directory. I have checked the file properties and the read and execute checkboxes are ticked. My C++ code uses a 3rd party library. I have linked it using th...

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...ights, subset, na.action, init, control, method = c("efron", "breslow", "exact"), singular.ok = TRUE, robust = FALSE, model = FALSE, x = FALSE, y = TRUE, tt, ...) NULL > test1<-read.table("S:/FISHDO/03_Phase_I_Field_Work/Data_6_28_2011/Working Folder/R_files/4SondesJuly24.csv", header=T, sep=",") > sondes<-coxph(Surv(Start, Stop, Depart)~DOLoomis + DOI55 + DODamen, data=test1) Warning messages: 1: In fitter(X, Y, strats, offset, init, control, weights = weights, : Loglik converged before variable 1,2 ; beta may be infinite. 2:...

I'm using lm to run an ANOVA, and would like to use Ryan's Q as my post-hoc (as recommended by Day and Quinn, 1989, Ecological Monographs). I can't seem to find any methods in the base stats package that implement this post-hoc. Is there a good package of post-hoc methods out there, or has someone written a method for Ryan's Q previously? Thanks! -Jarrett

...ce:dosfs:DOSFS_DoGetFullPathName returning 'D:\\hardeschijf\d\Program Files\3DMark 99 Max\3dmark.exe\3dmark.ras' 0806cc20:Ret kernel32.GetFullPathNameA() retval=00000043 ret=78017c17 <cut> 0806cc20:RET msvcrt.627: free() retval = 00000000 ret=40c46e49 0806cc20:RET rlmfc.751: ?where@R_File@@QAE?AW4Location@1@PBD@Z(004d5360 "3dmark.ras") retval = 00000000 ret=00456324 0806cc20:CALL rlmfc.22: ??0R_Exception@@IAE@XZ(<unknown, check return>) ret=00456338 0806cc20:CALL mfc42.349: @(<unknown, check return>) ret=40c3516c 0806cc20:RET mfc42.349: @(00000000) retval = 40...