count: A more versatile form of the T-SQL 'count()' function.

In rowr: Row-Based Functions for R Objects

Description

Implementation of T-SQL count and Excel COUNTIF functions. Shows the total number of elements in any number of data objects altogether or that match a condition.

Usage

count(..., condition = (function(x) TRUE))

Arguments

...	an arbitrary number of R objects
condition	a 1 argument condition

Examples

count(c(NA,1,2))
count(c(NA,1,2),is.na)
count(c(NA,1,2),list('A',4),cbind(1,2,3))
count(c(NA,1,2),list('A',4),cbind(1,2,3),condition=is.character)

Example output

[1] 3
[1] 4
[1] 8
[1] 1

rowr documentation built on May 1, 2019, 11:29 p.m.