freqpoly {ENmix} | R Documentation

## Frequency polygon plot

### Description

Similar to histogram, frequency polygon plot can be used to display data distribution.

### Usage

    freqpoly(mat, nbreaks=15, col="black", xlab="", ylab="Frequency",
             type="l",append=FALSE,...)

### Arguments

`mat` | A numeric vector
`nbreaks` | Number of bins for frequency counting
`col` | color code
`xlab` | x-axis lable
`ylab` | y-axis lable
`type` | character indicating the type of plotting; actually any of the 'type's as in 'plot.default'.
`append` | TRUE or FALSE, whether to create a new figure or append to the current figure.
`...` | Further arguments that get passed to the function "plot"

### Value

Frequency polygon plot.

### Author(s)

Zongli Xu

### References

Zongli Xu, Liang Niu, Leping Li and Jack A. Taylor, ENmix: a novel background correction method for Illumina HumanMethylation450 BeadChip. Nucleic Acids Research 2015.

### Examples

    if(FALSE){
    if (require(minfiData)) {
    mdat <- preprocessRaw(RGsetEx)
    beta=getBeta(mdat, "Illumina")
    freqpoly(beta[,1])
    }}

[Package ENmix version 1.21.6 Index]