stat.confband.text {marray} | R Documentation

## Rank genes according to the value of a statistic.

### Description

Select values based on intensities binning.

### Usage

    stat.confband.text(M, A, crit1=0.025, crit2=crit1, nclass=5)

### Arguments

`A` | a vector giving the x-coordinates of the points in the scatter plot. In the microarray context, this could be a vector of average log intensities. ie A
`M` | a vector giving the y-coordinates of the points in the scatter plot. In the microarray context, this could be a vector of log intensity ratios.
`crit1` | The number of points to be selected. If crit1 < 1, the crit1*100% spots with the smallest M values will be selected. If crit1 >= 1, the crit spots with the smallest M values are selected.
`crit2` | Similar to "crit1". If crit2 < 1, the crit2*100% spots with the largest M values will be selected. If crit2 >= 1, the crit2 spots with the largest M values are selected.
`nclass` | A single number giving the approximate number of intensity depedent groups to consider.

### Value

A vector of selected spot index.

### See Also

`stat.gnames`

### Examples

    library(marray)
    data(swirl)
    aveA <- apply(maA(swirl), 1, mean.na)
    aveM <- apply(maM(swirl), 1, mean.na)
    stat.confband.text(aveM, aveA, crit1=20, crit2=50, nclass=5)

[Package marray version 1.62.0 Index]