Filtering rows using positive integers
You can filter the required rows from a data.table
by providing the row indices to its first argument (i
), just like when working with a data.frame
. However, unlike a data.frame
, you don't need to add a comma (,
) when filtering rows.
This exercise is part of the course
Data Manipulation with data.table in R
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Filter third row
row_3 <- batrips[___]
row_3