Sorts a data frame by one or more columns in ascending or descending order.
sortByCol(x, col, asc = TRUE)[data.frame].
[data.frame]
Data.frame to sort.
[character]
One or more column names to sort x by.
In order of preference.
[logical]
Sort ascending (or descending)?
One value per entry of col.
If a scalar logical is passed, it is replicated.
Default is TRUE.