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2010 Dec 07
3
Changing names of a string variable
Hello,
Here is the data set I am working with:
dat=read.csv('http://dl.dropbox.com/u/1852742/relexpressions.csv')
names(dat)
#Under the 'target' column, I want to change all of the values into
all capital letters (e.g. fgf2 becomes FGF2). I have taken a loop
approach but I think my Python background is confusing me. Here is
what I attempted:
for(line in dat[,1]){if(line=='fgf2'){line<-'FGF2'}}
#I made sure that it was looping through each line by entering:
for(line in dat[,1]){if(line=='fgf2&...