[R] how to replace some objects?

[Michael Kubovy]

On Dec 19, 2006, at 3:05 AM, Zhang Jian wrote:

> I want to replace some objects in one row or column.For example,
> One colume: a,b,a,c,b,b,a,a,c.
> I want to replace "a" with "1", "b" with "2", and "c" with "3".
> Like this: 1,2,1,3,2,2,1,1,3.

let <- c('a', 'b', 'a', 'c', 'b', 'b', 'a', 'a', 'c')
library(car)
num <- recode(let, " 'a' = 1; 'b' = 2; else = 3 ")

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Professor Michael Kubovy
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