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36345
2011 May 21
4
Looping through values in a data frame that are >zero
Hello!
I've tried for a while - but can't figure it out. I have data frame x:
y=c("a","b","c","d","e")
z=c("m","n","o","p","r")
a=c(0,0,1,0,0)
b=c(2,0,0,0,0)
c=c(0,0,0,4,0)
x<-data.frame(y,z,a,b,c,stringsAsFactors=F)
str(x)
Some of the values in columns a,b, and c are >0:
I need to