> x <- c("2000/01/01",
"2001/02/01","2000/03/01","2000/04/01","2000/05/01","2000/06/01","2000/07/01","2000/08/01","2000/09/01","2000/10/01")
> xd <- as.data.frame(x)
> levels(xd$x) <- gsub("/", "-", levels(xd$x))
> fix(xd)
This works fine .but with one more variable say xsd in the data frame i'm
getting the following error
Error in levels(sa$date1) <- gsub("/", "-", levels(sa$date)) :
attempt to set an attribute on NULL
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