New posts in Sapply

R: Remove nested for loops in order to make a custom bootstrap more efficient

How do I count the number of words in a text (string)?

R: Apply function on specific columns preserving the rest of the dataframe

Apply function to each column in a data frame observing each columns existing data type

Concatenate row-wise across specific columns of dataframe

Apply a function to every row of a matrix or a data frame

Grouping functions (tapply, by, aggregate) and the *apply family