The R Project SVN R

Rev

Rev 68948 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 68948 Rev 87240
Line 1... Line 1...
1 
% File src/library/base/man/colSums.Rd
 1 
% File src/library/base/man/colSums.Rd
2 
% Part of the R package, https://www.R-project.org
 2 
% Part of the R package, https://www.R-project.org
3 
% Copyright 1995-2015 R Core Team
 3 
% Copyright 1995-2024 R Core Team
4 
% Distributed under GPL 2 or later
 4 
% Distributed under GPL 2 or later
5 
 
 5 
 
6 
\name{colSums}
 6 
\name{colSums}
7 
\alias{colSums}
 7 
\alias{colSums}
8 
\alias{rowSums}
 8 
\alias{rowSums}
Line 12... Line 12...
12 
\alias{.rowSums}
 12 
\alias{.rowSums}
13 
\alias{.colMeans}
 13 
\alias{.colMeans}
14 
\alias{.rowMeans}
 14 
\alias{.rowMeans}
15 
\title{Form Row and Column Sums and Means}
 15 
\title{Form Row and Column Sums and Means}
16 
\description{
 16 
\description{
17 
  Form row and column sums and means for numeric arrays (or data frames).
 17 
  Form (generalized) row and column sums and means for numeric arrays (or data frames).
18 
}
 18 
}
19 
\usage{
 19 
\usage{
20 
colSums (x, na.rm = FALSE, dims = 1)
 20 
colSums (x, na.rm = FALSE, dims = 1)
21 
rowSums (x, na.rm = FALSE, dims = 1)
 21 
rowSums (x, na.rm = FALSE, dims = 1)
22 
colMeans(x, na.rm = FALSE, dims = 1)
 22 
colMeans(x, na.rm = FALSE, dims = 1)
23 
rowMeans(x, na.rm = FALSE, dims = 1)
 23 
rowMeans(x, na.rm = FALSE, dims = 1)
24 
 
 24 
 
25 
.colSums(x, m, n, na.rm = FALSE)
 25 
.colSums (x, m, n, na.rm = FALSE)
26 
.rowSums(x, m, n, na.rm = FALSE)
 26 
.rowSums (x, m, n, na.rm = FALSE)
27 
.colMeans(x, m, n, na.rm = FALSE)
 27 
.colMeans(x, m, n, na.rm = FALSE)
28 
.rowMeans(x, m, n, na.rm = FALSE)
 28 
.rowMeans(x, m, n, na.rm = FALSE)
29 
}
 29 
}
30 
\arguments{
 30 
\arguments{
31 
  \item{x}{an array of two or more dimensions, containing numeric,
 31 
  \item{x}{an array of two or more dimensions, containing numeric,
32 
    complex, integer or logical values, or a numeric data frame.  For
 32 
    complex, integer or logical values, or a numeric data frame.  For
33 
    \code{.colSums()} etc, a numeric, integer or logical matrix (or
 33 
    \code{.colSums()} etc, a numeric, integer or logical matrix (or
34 
    vector of length \code{m * n}).}
 34 
    vector of length \code{m * n}).}
35 
  \item{na.rm}{logical.  Should missing values (including \code{NaN})
 35 
  \item{na.rm}{logical.  Should missing values (including \code{NaN})
36 
    be omitted from the calculations?}
 36 
    be omitted from the calculations?}
37 
  \item{dims}{integer: Which dimensions are regarded as \sQuote{rows} or
 37 
  \item{dims}{integer number: Which dimensions are regarded as \sQuote{rows} or
38 
    \sQuote{columns} to sum over.  For \code{row*}, the sum or mean is
 38 
    \sQuote{columns} to sum over.  For \code{row*}, the sum or mean is
39 
    over dimensions \code{dims+1, \dots}; for \code{col*} it is over
 39 
    over dimensions \code{dims+1, \dots}; for \code{col*} it is over
40 
    dimensions \code{1:dims}.}
 40 
    dimensions \code{1:dims}.}
41 
  \item{m, n}{the dimensions of the matrix \code{x} for
 41 
  \item{m, n}{the dimensions of the matrix \code{x} for
42 
    \code{.colSums()} etc.}
 42 
    \code{.colSums()} etc.}