indexing code snippets in r

add an element to the beginning of an array in r

add an element to the end of an array in r

calculate index in r

change a cell value in a matrix using row and column name in r

extract dataframe from list in r

find the first element in an array in r

find the index of an element in an array in r

find the kth largest element in an array in r

find the kth least frequent element in an array in r

find the kth most common element in an array in r

find the kth smallest element in an array in r

find the largest element in an array in r

find the last element in an array in r

get the first element of the first list in a list of 48 lists. in r

how to get 10th item from 2nd column in r

index rows based on values from one column in r

item in r

r matrix in r

remove an element from an array at a specific index in r

remove an element from the beginning of an array in r

remove an element from the end of an array in r

removing column from a df with their names in r

reverse a vector in r in r

reverse an array in r

select a column in data frame in r

select columns from a df in r

subset using loop in r in r

to this tibble `csmib_lag1` add the column `date` from this tibble `csmib` as a date index, hence it should be the first column of `csmib_lag1` in r

use index number to name file in r