library(plyr) revalue(x, c("beta"="two", "gamma"="three")) #> [1] alpha two three alpha two #> Levels: alpha two three mapvalues(x, from = c("beta", "gamma"), to = c("two", "three")) #> [1] alpha two three alpha two #> Levels: alpha two three
library(plyr) revalue(x, c("beta"="two", "gamma"="three")) #> [1] alpha two three alpha two #> Levels: alpha two three mapvalues(x, from = c("beta", "gamma"), to = c("two", "three")) #> [1] alpha two three alpha two #> Levels: alpha two three