Created
May 15, 2013 18:43
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A handy function for swapping values in a vector with other values.
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| swap <- function(vec, from, to) { | |
| tmp <- to[ match(vec, from) ] | |
| tmp[is.na(tmp)] <- vec[is.na(tmp)] | |
| return(tmp) | |
| } | |
| ## example | |
| swap( 1:10, c(5, 7), c(50, 70) ) ## exchange occurrences of 5 w/ 50, 7 w/ 70 |
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