Suppose I run the following code in the R session. At the last prompt
'>', I want to retrieve the second command (staring with 'y'). But I
have to type up arrow many times, which is very inconvenient. I'm
wondering if there is a way to configure R to skip block of code in
the history?
> x=list(a=c(1,2),b=c(3,4,5))
> y=list(a=c(1,2),b=c(3,4,5))
> lapply(seq(along=x)
+ ,function(i){
+ cbind(
+ x[[i]]
+ ,y[[i]]
+ )
+ }
+ )
[[1]]
[,1] [,2]
[1,] 1 1
[2,] 2 2
[[2]]
[,1] [,2]
[1,] 3 3
[2,] 4 4
[3,] 5 5
>
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