Functions that Apply to Rows and Columns of Matrices (and to Vectors)

allocMatrix | Allocates an empty vector, matrix or array |

anyMissing | Checks if there are any missing values in an object or not |

binCounts | Fast element counting in non-overlapping bins |

binMeans | Fast mean calculations in non-overlapping bins |

diff2 | Fast lagged differences |

indexByRow | Translates matrix indices by rows into indices by columns |

logSumExp | Accurately computes the logarithm of the sum of exponentials |

matrixStats-package | Package matrixStats |

mean2 | Fast averaging over subset of vector elements |

rowAlls | Checks if a value exists / does not exist in each row... |

rowAvgsPerColSet | Applies a row-by-row (column-by-column) averaging function to... |

rowCollapse | Extracts one cell per row (column) from a matrix |

rowCounts | Counts the number of occurrences of a specific value |

rowCumsums | Cumulative sums, products, minima and maxima for each row... |

rowDiffs | Calculates difference for each row (column) in a matrix |

rowIQRs | Estimates of the interquartile range for each row (column) in... |

rowLogSumExps | Accurately computes the logarithm of the sum of exponentials... |

rowMeans2 | Calculates the mean for each row (column) in a matrix |

rowMedians | Calculates the median for each row (column) in a matrix |

rowOrderStats | Gets an order statistic for each row (column) in a matrix |

rowProds | Calculates the product for each row (column) in a matrix |

rowQuantiles | Estimates quantiles for each row (column) in a matrix |

rowRanges | Gets the range of values in each row (column) of a matrix |

rowRanks | Gets the rank of the elements in each row (column) of a... |

rowSds | Standard deviation estimates for each row (column) in a... |

rowSums2 | Calculates the sum for each row (column) in a matrix |

rowTabulates | Tabulates the values in a matrix by row (column). |

rowVars | Variance estimates for each row (column) in a matrix |

rowWeightedMeans | Calculates the weighted means for each row (column) in a... |

rowWeightedMedians | Calculates the weighted medians for each row (column) in a... |

signTabulate | Calculates the number of negative, zero, positive and missing... |

sum2 | Fast sum over subset of vector elements |

validateIndices | Validate indices |

varDiff | Estimation of scale based on sequential-order differences |

weightedMad | Weighted Median Absolute Deviation (MAD) |

weightedMean | Weighted Arithmetic Mean |

weightedMedian | Weighted Median Value |

weightedVar | Weighted variance and weighted standard deviation |

x_OP_y | Fast calculation of 'z <- x OP y' and 'z <- t(t(x) OP y)' |

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