ADM3 (version 1.3)

dLRs: Caculate the DLR Spread.

Description

Calculates the "DLR spread" - derivative log2 ratio spread.

Usage

dLRs(x)

Arguments

x

- vector of log ratio values.

Value

The derivative log2 ratio spread.

Details

Calculates the probe-to-probe log ratio difference of an array. This is a noise estimation which is robust to outliers.

References

Agilent

See Also

http://www.home.agilent.com/agilent/home.jspx

Examples

r1 = rnorm(100, 0, 3)
dLRs(r1)
r2 = rnorm(100, 0, 5)
dLRs(r2)