sort_df: Sort a data.frame by column
In tharte/tutils: Tom's UTILity functionS

Description Usage Arguments Value Author(s) See Also Examples

Sorts the columns of a data.frame

1	sort_df(x, cn, decreasing = FALSE, na.last = NA)

`x`	`data.frame` on which to perform the sort
`cn`	`character` the name of the column(s) to sort.
`decreasing`	`logical` should the sort be increasing or decreasing?
`na.last`	`logical` see `logical`; for controlling the treatment of `NA`s. If `TRUE`, missing values in the data are put last; if `FALSE`, they are put first; if `NA`, they are removed.

character

Thomas P. Harte (originated by John Laing)

sort, data.frame

	 df<- data.frame(Name=c("one","two","three"), Value=1:3)
	 sort_df(df, cn="Value", decreasing=TRUE)
	 # sort first on column "Value", then on column "Name"
	 # note that both columns are sorted with decreasing=TRUE
	 sort_df(df, cn=c("Value","Name"), decreasing=TRUE)