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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