Checks if there are any missing values in an object or not

Description

Checks if there are any missing values in an object or not.

Usage

anyMissing(x=NULL)

Arguments

Details

The implementation of this method is optimized for both speed and memory.

Value

Returns TRUE if a missing value was detected, otherwise FALSE.

Author(s)

Henrik Bengtsson (http://www.braju.com/R/)

Examples

x <- rnorm(n=1000)
x[seq(300,length(x),by=100)] <- NA
stopifnot(anyMissing(x) == any(is.na(x)))

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(Biobase)
Loading required package: BiocGenerics
Loading required package: parallel

Attaching package: 'BiocGenerics'

The following objects are masked from 'package:parallel':

    clusterApply, clusterApplyLB, clusterCall, clusterEvalQ,
    clusterExport, clusterMap, parApply, parCapply, parLapply,
    parLapplyLB, parRapply, parSapply, parSapplyLB

The following objects are masked from 'package:stats':

    IQR, mad, xtabs

The following objects are masked from 'package:base':

    Filter, Find, Map, Position, Reduce, anyDuplicated, append,
    as.data.frame, cbind, colnames, do.call, duplicated, eval, evalq,
    get, grep, grepl, intersect, is.unsorted, lapply, lengths, mapply,
    match, mget, order, paste, pmax, pmax.int, pmin, pmin.int, rank,
    rbind, rownames, sapply, setdiff, sort, table, tapply, union,
    unique, unsplit

Welcome to Bioconductor

    Vignettes contain introductory material; view with
    'browseVignettes()'. To cite Bioconductor, see
    'citation("Biobase")', and for packages 'citation("pkgname")'.

> png(filename="/home/ddbj/snapshot/RGM3/R_BC/result/Biobase/anyMissing.Rd_%03d_medium.png", width=480, height=480)
> ### Name: anyMissing
> ### Title: Checks if there are any missing values in an object or not
> ### Aliases: anyMissing
> ### Keywords: iteration logic
> 
> ### ** Examples
> 
> x <- rnorm(n=1000)
> x[seq(300,length(x),by=100)] <- NA
> stopifnot(anyMissing(x) == any(is.na(x)))
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>