[R] matrix problem

[Wu Gong]

Hi,

I guess you just want to reshape your data to wide format.

strs <- "Index Time Value
1 2 0.1
2 3 0.2
3 1 0.3"
DF <- read.table(textConnection(strs),header=T)
rDF <- reshape(DF, idvar="Index", timevar="Time", direction="wide") 
rDF[is.na(rDF)] <- 0

-----
A R learner.
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