Re: [R] Classification by range

On Mar 8, 2012, at 3:14 PM, Ajay Askoolum wrote: Given studentNumbers<-10; subjEnglish<-sample(-1:100,studentNumbers,replace=TRUE); when subEnglish <=0, 'U' <=39, 'F' <=49 'D' <=59, 'C' <=69, 'B'

Re: [R] Classification by range

?findInterval > subjEnglish<-sample(-1:100,studentNumbers,replace=TRUE); > grade <- c(-Inf, 39, 49, 59, 69, 79, 100) # grade break points > let <- c("U", "F", "D", "C", "B", "A", "A+")[findInterval(subjEnglish, grade)] > cbind(subjEnglish, let) subjEnglish let [1,] "77""B" [2,] "9

[R] Classification by range

Given studentNumbers<-10; subjEnglish<-sample(-1:100,studentNumbers,replace=TRUE); when subEnglish <=0, 'U'     <=39, 'F'     <=49 'D'     <=59, 'C'     <=69, 'B'     <=79,'A'