R
matrixStats: Summary of functions
이부일
2019. 3. 12. 21:55
matrixStats: Summary of functions
Henrik Bengtsson on July 23, 2018
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() | any(x); rowAnys(x) |
| Are all values TRUE? | all(), colAlls(), rowAlls() | all(x); rowAlls(x) |
| Does value exists? | anyValue(), colAnys(), rowAnys() | anyValue(x, value); rowAnys(x, value) |
| Do all elements have a given value? | allValue(), colAlls(), rowAlls() | allValue(x, value); rowAlls(x, value) |
| Number of occurrences of a value? | count(), colCounts(), rowCounts() | count(x, value); rowCounts(x, value) |
Cumulative functions
| Operator | Functions | Example |
|---|---|---|
| Cumulative sum | cumsum(), colCumsums(), rowCumsums() | cumsum(x); rowCumsums(x) |
| Cumulative product | cumprod(), colCumprods(), rowCumprods() | cumprod(x); rowCumprods(x) |
| Cumulative minimum | cummin(), colCummins(), rowCummins() | cummin(x); rowCummins(x) |
| Cumulative maximum | cummax(), colCummaxs(), rowCummaxs() | cummax(x); rowCummaxs(x) |
Binning
| Estimator | Functions | Example |
|---|---|---|
| Counts in disjoint bins | binCounts() | binCounts(x, bx) |
| Sample means (and counts) in disjoint bins | binMeans() | binMeans(y, x, bx) |
Miscellaneous
| Operation | Functions | Example |
|---|---|---|
| Sum | sum2(), colSums2(), rowSums2() | sum2(x); rowSums2(x) |
| Lagged differences | diff2(), colDiffs(), rowDiffs() | diff2(x), rowDiffs(x) |
matrixStats v0.54.0. Release: CRAN, Development: GitHub.
[출처] https://cran.r-project.org/web/packages/matrixStats/vignettes/matrixStats-methods.html