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2006 Oct 15
1
how can i compute the average of three blocks for each column ?
...the mean of x1
#### I try to do something like :##########
block1=fg1[layout$Block==1,]
block2=fg1[layout$Block==1,]
block2=fg1[layout$Block==1,]
average=(block1+block2+block3)/3
but it did not work.
################## How can i calculate the means of remaining x_variables?
######### Read data for the remaining slides =x2,x3,x4,x5 ###########
for (i in 2:num.slides){
na1 <- strsplit(na[[i]][k],".txt")
na2 <- strsplit(na1[[1]][1],"-")
bat=na2[[1]][1]
sli=na2[[1]][2]
nslide <- cbind(nslide,as.numeric(sli))
# nslide is...