Intersect Histograms

Description

Takes two histograms with identical bucket boundaries and returns a histogram of the intersection of the two. Each bucket of the returned histogram contains the minimum of the equivalent buckets in the two provided histograms.

Usage

IntersectHistograms(h1, h2)

Arguments

Author(s)

Murray Stokely mstokely@google.com

References

Swain, Michael J., and Dana H. Ballard. "Color indexing." International journal of computer vision 7.1 (1991): 11-32.

See Also

histogramtools-package, hist.

Examples

h1 <- hist(runif(100), plot=FALSE)
h2 <- hist(runif(100), plot=FALSE)
plot(IntersectHistograms(h1, h2))

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(HistogramTools)
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/HistogramTools/intersect.Rd_%03d_medium.png", width=480, height=480)
> ### Name: IntersectHistograms
> ### Title: Intersect Histograms
> ### Aliases: IntersectHistograms
> 
> ### ** Examples
> 
> h1 <- hist(runif(100), plot=FALSE)
> h2 <- hist(runif(100), plot=FALSE)
> plot(IntersectHistograms(h1, h2))
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>