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sgibb / MALDIquant

Quantitative Analysis of Mass Spectrometry Data
https://strimmerlab.github.io/software/maldiquant/
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.doByLabels doesn't preserve order #19

Closed sgibb closed 11 years ago

sgibb commented 11 years ago

To reproduce:

library("MALDIquant")

s <- c(createMassPeaks(1:4, rep(1, 4), metaData=list(name=33)),
       createMassPeaks(1:4, rep(1, 4), metaData=list(name=33)),
       createMassPeaks(1:4, rep(1, 4), metaData=list(name=22)),
       createMassPeaks(1:4, rep(1, 4), metaData=list(name=22)),
       createMassPeaks(1:4, rep(1, 4), metaData=list(name=34)),
       createMassPeaks(1:4, rep(1, 4), metaData=list(name=34)))

f <- factor(rep(c(33, 22, 34), each=2))

p <- mergeMassPeaks(s, f)

sapply(p, function(x)metaData(x)$name)
## order is 22 33 44 instead of 33, 22, 34