search for: ppel

Displaying 4 results from an estimated 4 matches for "ppel".

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2005 Nov 28
6
How define global Variable?
...ariable. My example: R> a <- "old" R> test <- function () { a <- "new" } R> test() R> a # shoud be "new" This doesn't work. I would like to modify the variable "a" in a procedure. How can I do that. Thank you for helping. Sven Kn侟ppel (Germany-Berlin)
2007 Apr 24
1
Problem with length of array while calling C from R
...oid Ctest ( double *array ) { ... array = (double*) realloc ( array , new_number * sizeof(double) ) ; ... } The length of "array" will be compute in C. At the end save$a has a length of 3 and not the length of the allocated array in C. What can I do? Thank you in advance. Sven Kn?ppel
2009 Jun 15
2
coxph and robust variance estimation
...quot;) In the single models coxph.fit0 and coxph.fit1 I can use a robust variance estimation. It seems that the function anova don't use a robust estimation for the analysis of deviance. My question is, how can I use robust estimation for the analysis of deviance? With kind regards, Sven Kn?ppel -- GMX FreeDSL Komplettanschluss mit DSL 6.000 Flatrate und Telefonanschluss f?r nur 17,95 Euro/mtl.!* http://portal.gmx.net/de/go/dsl02
2005 Nov 29
1
package kinship - %*%
...doesn't work. Example: R> library(kinship) R> a <- cbind(1:2,rnorm(2)) R> a%*%a Error message: Fehler in a %*% a : keine anwendbare Methode f侟r "%*%" The Message in English: Error in a %*% a: no applicable message for "%*%". What can I do? Thank you. Sven Kn侟ppel (Germany - Berlin)