Guide: Data manipulation

Snippets

Get the names of the columns in a data frame – Snippet #33

Discover how to get the names of the columns in a data frame with R

Snippets

Change the type of a data frame to a tibble – Snippet #27

Discover how to change the type of a data frame to a tibble with R

Snippets

Filter a column if it contains a certain character string – Snippet #14

Discover how to filter a column if it contains a certain character string with R

Snippets

Replace missing character strings with true NAs in a column of a data frame – Snippet #12

Discover how to replace missing character strings with true NAs in a column of a data frame with R

Snippets

Replace a character string in a column of a data frame – Snippet #11

Discover how to replace a character string in a column of a data frame with R

Snippets

Delete characters in a column of a data frame – Snippet #10

Discover how to delete characters in a column of a data frame with R

Snippets

Remove or keep columns in a data frame – Snippet #6

Discover how to remove or keep columns in a data frame with R

Snippets

Get unique values in a column – Snippet #5

Discover how to get unique values in a column with R

Snippets

Filter a data frame based on the values in a column – Snippet #4

Discover how to filter a data frame based on the values in a column with R

Snippets

Sort a data frame based on the values in a column – Snippet #3

Discover how to sort a data frame based on the values in a column with R

Snippets

Remove duplicate rows in a data frame – Snippet #2

Discover how to remove duplicate rows in a data frame with R

Snippets

Merge two (or more) data frames that have the same columns - Snippet #1

Discover how to merge two (or more) data frames that have the same columns with R