doChroma | R Documentation |
Computes the information that is needed in order to make a chromaPlot
from a PCADSC
or pcaRes
object. Typically, this function is called on a partial
PCADSC
object in order to add chromaInfo
(see examples).
doChroma(x)
x |
Either a |
chromaPlot
, PCADSC
#load iris data data(iris) #Define grouping variable, grouping the observations by whether their species is #Setosa or not iris$group <- "setosa" iris$group[iris$Species != "setosa"] <- "non-setosa" iris$Species <- NULL ## Not run: #make a partial PCADSC object, splitting the data by "group" irisPCADSC <- PCADSC(iris, "group", doChroma = FALSE) #No chromaInfo available irisPCADSC$chromaInfo #Add and show chromaInfo irisPCADSC <- doChroma(irisPCADSC) irisPCADSC$chromaInfo ## End(Not run) #Make a partial PCADSC object and only add chroma information for a #faster runtime irisPCADSC_fast <- PCADSC(iris, "group", doAngle = FALSE, doChroma = FALSE, doCE = FALSE) irisPCADSC_fast <- doChroma(irisPCADSC_fast) irisPCADSC_fast$chromaInfo
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