[R] Weighted pairwise LDA

Hello All, I am doing LDA, trying to build a model to identify type of bacteria. Unfortunately the training group sizes are very smalln=4 for each groupof which there are 10. I have noticed that LDA is highly influenced by outlying groups and 'pulls' the LDs towards them (as yo

[R] Actual code for LDA

Hi All, I've been trying to write my own code for LDA (linear discrim) so I can modify it to be weighted LDA since some of my groups are outliers. However, the code I write for standard LDA gives me slightly different results to those from R (slightly different LDAs.and not just scala

[R] Optimum of lm

Hi All, I am trying to do some D o E. I would like to find the optima (maxima) of a 2 dimensional lm with quadratic terms. I'm sure there is a really simple solution but i can't find it. Also would there be any way to find some sort of confidence limits on these optima? Any help most app

[R] Sequence analysis

Hiya, I am trying to look at the similarities between a number of sequences, for example i am trying to see how similar "ababbbassdaa" is to "addffggssbbsbbs" I was wondering is the some way for me to see how similar they are in terms of, for example, number of a's, number of b's, how o

[R] Returning "overall ms" for CVlm

Hi All, when doing CVlm cross validation, I would just like to view the overall MS but i am having trouble getting just this value. I'm kina new to R. Any help really appreciates. Cheers, Ben -- View this message in context: http://r.789695.n4.nabble.com/Returning-overall-ms-for-CVlm-tp4664690