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Dear R-helpers: thank your for your attention. i am a newer to R and i am doing some protein category classification based on the amino acid sequence.while i have some question urgent. 1. any packages for analysis amino acid sequence 2. given two sequences "AAA" and "BBB",how can i combine them into "AAABBB" 3. based on "AAABBB",how can i get some

Dear R-helpers, i am a beginner of R and i am using cluster package to do hierarchical clustering i am wondering if i can use my own distance matrix to do the hierarchical clustering without using dist() function. if i have my own distance matrix, how can i ask hclust() function to recongnize it( as the output of dist() function). thank you very much and i looking forward to hearing from you.

Use something like hclust(as.dist(mydist), ...) ought to work. Andy -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of ucecgxu at ucl.ac.uk Sent: Wednesday, January 18, 2006 4:47 PM To: r-help at stat.math.ethz.ch Subject: [R] r-help, how can i use my own distance matrix without using dist() Dear R-helpers, i am a beginner of R and i am using cluster package to do hierarchical clustering i am wondering if i can use my...

Dear R users and experts, I am current running a program (a series of commands) in R. such as: A <- as.matrix(read.table("C:/LP.txt")); a=which(memb==q); b=a; B=as.matrix(A[a,b]) LS=sum(B)/2; TL=sum(A)/2 i<-c(1:NN); D=sum(A[a,i]); how can i obtain the CPU time used for these commands ? I have seen the system.time function but i am not sure how to use it. Could anyone help

Dear R-helpers: thank your for your attention. i am a newer to R and i am doing some protein category classification based on the amino acid sequence.while i have some questions urgently. 1. any packages for analysis amino acid sequence 2. given two sequences "AAA" and "BBB",how can i combine them into "AAABBB" 3. based on "AAABBB",how can i get some