Hi Abraham,
Try
foo <- function(x){
x <- as.character(x)
sapply(strsplit(x, " "), function(s) sum(nchar(s)))
}
foo(f1$keyword)
HTH,
Jorge
On Fri, Jun 10, 2011 at 12:48 PM, Abraham Mathew <> wrote:
> I'm trying to find the total number of letters in a row of a data frame.
>
> Let's say I have the following data frame.
>
> f1 <- data.frame(keyword=c("I live in Denver", I live in Kansas City, MO",
> "Pizza is good"))
>
> The following function gives me the number of characters in each string.
> So for "I live in Denver", I get 1, 4, 2, and 6. However, I want to know
> the
> total
> number of characters (13).
>
> sapply(strsplit(as.character(f1$keyword), " "), nchar)
>
>
> Thanks,
> Abraham
>
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>
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