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MarkLogic Server 11.0 Product Documentation

cts functions (Math Lexicon)MarkLogic Server provides aggregate math functions that make use of value lexicons
to calculate results. The math lexicon functions differ from the math functions in the
`math:`

namespace in that math lexicon functions take frequency into
consideration.

This section describes the math lexicon APIs.

Function name | Description |
---|---|

cts:aggregate | Executes a user-defined extension aggregate function against a value lexicon or n-way co-occurrence of multiple value lexicons. |

cts:avg | [DEPRECATED: use cts:avg-aggregate] Returns a frequency-weighted average of a sequence. |

cts:avg-aggregate | Returns the average of the values given a value lexicon. |

cts:correlation | Returns the frequency-weighted correlation given a 2-way co-occurrence. |

cts:count | [DEPRECATED: use cts:count-aggregate] Returns a frequency-weighted count of a sequence. |

cts:count-aggregate | Returns the count of a value lexicon. |

cts:covariance | Returns the frequency-weighted sample covariance given a 2-way co-occurrence. |

cts:covariance-p | Returns the frequency-weighted covariance of the population given a 2-way co-occurrence. |

cts:linear-model | Returns a linear model that fits the frequency-weighted data set. |

cts:max | Returns the maximal value given a value lexicon. |

cts:median | Returns a frequency-weighted median of a sequence. |

cts:min | Returns the minimal value given a value lexicon. |

cts:percent-rank | Returns the rank of a value in a data set as a percentage of the data set. |

cts:percentile | Returns a sequence of percentile(s) given a sequence of percentage(s). |

cts:rank | Returns the rank of a value in a data set. |

cts:stddev | Returns a frequency-weighted sample standard deviation given a value lexicon. |

cts:stddev-p | Returns a frequency-weighted standard deviation of the population given a value lexicon. |

cts:sum | [DEPRECATED: use cts:sum-aggregate] Returns a frequency-weighted sum of a sequence. |

cts:sum-aggregate | Returns the sum of the values given a value lexicon. |

cts:variance | Returns a frequency-weighted sample variance given a value lexicon. |

cts:variance-p | Returns a frequency-weighted variance of the population given a value lexicon. |