R get nth element of list

1. How do you find the nth element in a list?
2. How do I extract a specific element from a list in R?
3. How do I get the last N element in a list in R?
4. How do you find the mean of an element in a list in R?

How do you find the nth element in a list?

Use list indexing to get the nth element of a list. Use list indexing syntax list[index] with n – 1 as index , where n represents a value's placement in the list, to retrieve the respective nth element of a list.

How do I extract a specific element from a list in R?

The [[ operator can be used to extract single elements from a list. Here we extract the first element of the list. The [[ operator can also use named indices so that you don't have to remember the exact ordering of every element of the list. You can also use the $ operator to extract elements by name.

How do I get the last N element in a list in R?

First of all, create a list. Then, use tail function with sapply function to extract the last n values of all elements in the list.

How do you find the mean of an element in a list in R?

To find the mean of list elements we need to unlist those elements. For example, if we have a list named as List that contains three elements of equal or different sizes such element1, element2, and element3 then we can find the mean of all the list elements by using mean(unlist(List)).