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michonneau
2006 Jun 27
1
change the class of an object within with()
..."e"), y = c("1","2","3","4","5"))
str(xxx)
with(xxx, {
x <- as.character(x)
y <- as.numeric(y)
})
str(xxx) #no effect on the class of x and y
xxx$x <- as.character(xxx$x)
xxx$y <- as.numeric(xxx$y)
str(xxx)
Thanks
Fran?ois Michonnneau