matrixStats: Summary of functions

Henrik Bengtsson on NA

Location and scale estimators

Estimator Functions Example
Weighted sample mean weightedMean(), colWeightedMeans(), rowWeightedMeans() weightedMean(x, w); rowWeightedMeans(x, w)
Mean mean2(), colMeans2(), rowMeans2() mean2(x); rowMeans2(x)
Median median(), colMedians(), rowMedians() median(x); rowMedians(x)
Weighted median weightedMedian(), colWeightedMedians(), rowWeightedMedians() weightedMedian(x, w); rowWeightedMedians(x, w)
Sample variance var(), colVars(), rowVars() var(x); rowVars(x)
Weighted sample variance weightedVar(), colWeightedVars(), rowWeightedVars() weightedVar(x, w), rowWeightedVars(x, w)
Sample variance by n-order differences varDiff(), colVarDiffs(), rowVarDiffs() varDiff(x); rowVarDiffs(x)
Sample standard deviation sd(), colSds(), rowSds() sd(x); rowSds(x)
Weighted sample deviation weightedSd(), colWeightedSds(), rowWeightedSds() weightedSd(x, w), rowWeightedSds(x, w)
Sample standard deviation by n-order differences sdDiff(), colSdDiffs(), rowSdDiffs() sdDiff(x); rowSdDiffs(x)
Median absolute deviation (MAD) mad(), colMads(), rowMads() mad(x); rowMads(x)
Weighted median absolute deviation (MAD) weightedMad(), colWeightedMads(), rowWeightedMads() weightedMad(x, w), rowWeightedMads(x, w)
Median absolute deviation (MAD) by n-order differences madDiff(), colMadDiffs(), rowMadDiffs() madDiff(x); rowMadDiffs()
Quantile quantile(), colQuantiles(), rowQuantiles() quantile(x, probs); rowQuantiles(x, probs)
Interquartile range (IQR) iqr(), colIQRs(), rowIQRs() iqr(x); rowIQRs(x)
Interquartile range (IQR) by n-order differences iqrDiff(), colIQRDiffs(), rowIQRDiffs() iqrDiff(x); rowIQRDiffs(x)
Range range(), colRanges(), rowRanges() range(x); rowRanges(x)
Minimum min(), colMins(), rowMins() min(x); rowMins(x)
Maximum max(), colMaxs(), rowMaxs() max(x); rowMaxs(x)

Testing for and counting values

Operator Functions Example
Are there any missing values? anyMissing(), colAnyMissings(), rowAnyMissings() anyMissing(x); rowAnyMissings(x)
Does TRUE exists? any(), colAnys(), rowAnys()