CODEWITHSUNDEEP
rlist
Piotr Radziński
Piotr Radziński

Reputation: 33

R: how to remove element form list / find its index?

I have (long) list. How to remove element if I don't know its index? Alternativly how to find element's index (then I can use list[-index]). Example; I have list: 

[[1]]  
[1] "A" "B" "C" "D"

[[2]]  
[1] "C" "D" "B" "C"

[[3]]  
[1] "B" "C" "D" "A"

and i want to remove

to.remove  
[1] "A" "B" "C" "D"

Upvotes: 0

Views: 174

Answers (1)

Emil Bode
Emil Bode

Reputation: 1830

If you're looking for exact matches, you can use identical, in combination with sapply to look at each element in the list:

myList <- myList[!sapply(myList, identical, c("A", "B", "C", "D")]

Upvotes: 2

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