On 14/09/2015 1:35 PM, jpm miao wrote:
My code is:
if(type=="none")
type2<-"nc"
if(type=="drift")
type2<-"c"
if(type=="trend")
type2<-"ct"
These are concise:
type2 <- c(none = "nc", drift = "c", trend = "ct")[type]
type2 <- switch(type, none = "nc", drift = "c", trend = "ct")
Duncan Murdoch
I am wondering if there's a concise way to write a mapping from type to
type2, especially when the number of categories is high. Thanks!
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