On 11-06-18 10:45 AM, Muhammad Rahiz wrote: > Hi, > Can someone advise why the followind did not produce the array, given > the condition specified? > > s<- 1 > a1<- array(dim=c(1,4)) > a2<- array(dim=c(2,4)) > arr<- ifelse(s==0,a1,a2) > See the Value section of ?ifelse. Duncan Murdoch