GetTongs {AffyRNADegradation} | R Documentation |
The tongs plot and the related degradation hook show the relationship between expression level and probe location bias. They are required for the correct estimation of RNA degradation effects.
GetTongs(affyData, chip.idx = 1) PlotTongs(tongs) PlotDegradationHooks(affyData, ...)
affyData |
an |
chip.idx |
index of the sample to compute the tongs for. |
tongs |
the tongs plot data table. |
... |
optional graphical parameters. |
Tongs |
a table containing Tongs plot values ordered by expression level. |
Mario Fasold
if (require(AmpAffyExample)) { # Get example data data(AmpData) tongs <- GetTongs(AmpData, chip.idx = 4) PlotTongs(tongs) PlotDegradationHooks(AmpData[,c(3,4)]) }