These functions form marginal summaries of `tables`

:

`TSUMS` |
Arithmetic sums |
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`TTOTALS` |
Synonym for TSUMS |

`TMEANS` |
Averages |

`TMEDIANS` |
Median values |

`TMINIMA` |
Minimum values |

`TMAXIMA` |
Maximum values |

`TSD` |
Standard deviations |

`TSEMEANS` |
Standard errors of means |

`TSKEWNESS` |
Skewness |

`TKURTOSIS` |
Kurtosis |

`TVARIANCES` |
Variances |

`TNOBSERVATIONS` |
Numbers of observations (non-missing values) |

`TNVALUES` |
Numbers of values |

`TNMV` |
Numbers of missing values |

These functions form matrices from tables:

`TCOLUMN` |
Converts a one-way table into a column matrix |
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`TDIAGONAL` |
Converts a one-way table into a diagonal matrix |

`TMATRIX` |
Converts a two-way table into a matrix |

`TROW` |
Converts a one-way table into a row matrix |

This function forms a variate from a table:

`TPROJECT` |
Converts a table into a variate, using the values of its classifying factors to determine which value of the table to put into each unit of the variate |
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