Estimate the coefficient of variance matrix of LumiBatch object

Description

Estimate the coefficient of variance matrix of LumiBatch object for each measurement or probe.

Usage

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estimateLumiCV(x.lumi, type = c("measurement", "probe"), ifPlot = FALSE, ...)

Arguments

x.lumi

a LumiBatch object

type

estimate the coefficient of variance of each measurement or each probe

ifPlot

determince whether to plot the density plot or not

...

optional arguments to plot.

Details

By default, the coefficient of variance is the ratio of the mean and variance of the bead expression values. Basically, it is the ration of exprs and se.exprs element of LumiBatch object. If the type is "probe", it is the ratio of the mean and variance of probe expression profile.

Value

A matrix of coefficient of variance

Author(s)

Pan Du

See Also

lumiQ

Examples

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## load example data
data(example.lumi)

## estimate the coefficient of variance and plot the density plot of it
cv <- estimateLumiCV(example.lumi, ifPlot = TRUE)

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