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Hello,   I want to sum first three terms of each column of matrix. But I don't calculate with "apply" function.   skwkrt<-function(N=10000,mu=0,sigma=1,n=100, nboot=1000,alpha=0.05){ x<-rnorm(N,mu,sigma)#population samplex<-matrix(sample(x,n*nboot,replace=T),nrow=nboot) #... }   is that: suppose a is a 5x2 matrix.  a={1,2,3,4,5

hi, I'm mustafa. I'm a master student Dokuz Eylül University in Izmir/Turkey.   I focus on Statistical programming language R. I learn architecture of R. But i don't find out any material in internet. Would you like to help me this subject? If you have documentations, would you like to share with me?   If you help me, i have informations about

Hi R people.   I have a problem. What can I create by using functions the combinations of distances in multiple comparisons tests such as duncan multiple range test?   cur=sample(rnorm(15),15,replace=TRUE) varr=factor(c(rep("var1",5),rep("var2",5),rep("var3",5))) dat<-data.frame(cur, varr) lmm<-lm(cur~ varr,data=dat)