search for: lact

Displaying 2 results from an estimated 2 matches for "lact".

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2004 Aug 19
0
nlme R vs S plus
Hi all, I'm a PhD student at sydney uni and am trying to run a non linear mixed model program to obtain estimates of parameters describing dairy cow lactation curves. At present, I have been able to get the data to converge using the S plus (S plus 2000) nlme function. However, when I put the same data into R (R 1.9.0), add in the nlme package and run the code, it does not converge by the max 50 iterations. Is this because the nlme function is slig...
2008 May 09
1
Have you ever experienced this problem with REAL in a C code
Dear all, I'm currently experiencing big troubles with my C code called by .Call in a R function. I know this may not be the right place for such things but these errors are driving me crazy. And I hope other people may have already experienced these problems so that they could give me good suggestions. Sorry if I'm completely out of topic. Well let's go... I'm writing a