sortByCol: Sort data.frame rows by values in specified columns

In ribiosUtils: Utilities from and Interface to the Bioinfo-C (BIOS) Library

Description

Sort rows of an data.frame by values in specified columns.

Usage

sortByCol(
  data.frame,
  columns,
  na.last = TRUE,
  decreasing = TRUE,
  orderAsAttr = FALSE
)

Arguments

data.frame	A data.frame object
columns	Column name(s) which sould be ordered
na.last	Logical, whether NA should be sorted as last
decreasing	Logical, whether the sorting should be in the decreasing order
orderAsAttr	Logical, whether the order index vectors should be returned in the attribute “order” of the sorted data.frame

Details

Columns can be specified by integer indices, logical vectors or character names.

Value

Sorted data.frame

Author(s)

Jitao David Zhang <[e-mail]>

Examples

sample.df <- data.frame(teams=c("HSV", "BVB", "FCB", "FCN"),pts=c(18,17,17,9), number=c(7,7,6,6))
sortByCol(sample.df, 1L)
sortByCol(sample.df, 1L, decreasing=FALSE)

sortByCol(sample.df, c(3L, 1L))
sortByCol(sample.df, c(3L, 1L), decreasing=FALSE)
sortByCol(sample.df, c(3L, 2L))

sortByCol(sample.df, c(TRUE, FALSE, TRUE))

sortByCol(sample.df, c("teams", "pts"))
sortByCol(sample.df, c("pts", "number", "teams"))
sortByCol(sample.df, c("pts", "teams", "number"))

ribiosUtils documentation built on March 13, 2020, 2:54 a.m.