Hi,
list1<-lapply(c("",2:3),function(x) paste0("hi I am here!",x))
#or
list1<- as.list(paste0("hi I am here!",c("",2:3)))
str(list1)
#List of 3
# $ : chr "hi I am here!"
# $ : chr "hi I am here!2"
# $ : chr "hi I am here!3"
It is not a list within a list
list2<-list1[grepl("2",unlist(list1))]
list2
#[[1]]
#[1] "hi I am here!2"
#list within a list
listNew<- list( as.list(paste0("hi I am here!",c("",2:3))))
str(listNew)
#List of 1
# $ :List of 3
# ..$ : chr "hi I am here!"
#..$ : chr "hi I am here!2"
#..$ : chr "hi I am here!3"
listNew2<- lapply(1:3,function(x) as.list(paste0("hi I am here!",c("",2:3))))
str(listNew2)
#List of 3
# $ :List of 3
# ..$ : chr "hi I am here!"
#..$ : chr "hi I am here!2"
#..$ : chr "hi I am here!3"
#$ :List of 3
# ..$ : chr "hi I am here!"
# ..$ : chr "hi I am here!2"
# ..$ : chr "hi I am here!3"
# $ :List of 3
# ..$ : chr "hi I am here!"
# ..$ : chr "hi I am here!2"
# ..$ : chr "hi I am here!3"
A.K.
Okay im pretty new in r...
and im having trouble figuring how to filtering out data
just say for example i have a list which prints out
> list1
[[1]]
[1] "hi I am here!"
[[2]]
[1] "hi I am here!2"
[[3]]
[1] "hi I am here!3"
....
1) okay first I need to confirm , is that a list within a list ? since its
displaying
[[1]]
[1] <-- in this fashion
2) and now just say i want to have list1 to only contain the list with the
number 2 in it how do i do it?
or any methods to suggest ?
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