sort: Sort data.frame Objects

In miscset: Miscellaneous Tools Set

Description

Sort a data.frame by any column(s).

Usage

## S3 method for class 'data.frame'
sort(x, decreasing = FALSE, by = NULL, bye = NULL,
  na.last = NA, ...)

Arguments

x	A data.frame.
decreasing	Logical, sort in decreasing order. See also sort.
by	Index (integer) or names of columns in x to sort by in that order. If both by and bye are missing, all columns are used to sort in their order.
bye	Unquoted column name or list() or .() with unquoted column names to sort x by. Not evaluated if by is supplied.
na.last	TRUE to put missing values last, FALSE to put first or NA to remove.
...	Ignored for the data.frame method.

Author(s)

Sven E. Templer

Examples

#

d <- data.frame(a=c(1,1,1,2,NA),b=c(2,1,3,1,1),c=5:1)
d
sort(d) # sort by every column (a, then b, then c)
sort(d, TRUE, by="c") # decreasing by column 'c'
sort(d, bye=.(a,c)) # increasing by columns 'a' and then 'c'

#

Example output

   a b c
1  1 2 5
2  1 1 4
3  1 3 3
4  2 1 2
5 NA 1 1
  a b c
2 1 1 4
1 1 2 5
3 1 3 3
4 2 1 2
   a b c
1  1 2 5
2  1 1 4
3  1 3 3
4  2 1 2
5 NA 1 1
  a b c
3 1 3 3
2 1 1 4
1 1 2 5
4 2 1 2

miscset documentation built on May 2, 2019, 4:01 a.m.