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siggenes (version 1.46.0)

delta.plot: Delta Plots

Description

Generates both a plot of $Delta$ vs. the FDR and a plot of $Delta$ vs.\ the number of identified genes in a SAM analysis.

Usage

delta.plot(object, delta = NULL, helplines = FALSE)

Arguments

object
a object of class SAM.
delta
a vector of values for $Delta$. If NULL, a default set of $Delta$ values will be used.
helplines
if TRUE, help lines will be drawn in the $Delta$ plots.

Value

Two plots in one graphsheet: The plot of $Delta$ vs. FDR and the plot of $Delta$ vs. the number of identified genes.

Details

The $Delta$ plots are a visualization of the table generated by sam that contains the estimated FDR and the number of identified genes for a set of $Delta$ values.

References

Tusher, V., Tibshirani, R., and Chu, G. (2001). Significance Analysis of Microarrays Applied to the Ionizing Radiation Response. PNAS, 98, 5116-5121.

See Also

SAM-class,sam