# [enum] anychart.enums.AggregationTypeImprove this Doc

Aggregation type for table columns.

**Try it:**

Value | Description | Example |
---|---|---|

average | Calculate average value in a group and use it as a value of a point. | |

first | Choose the first non-NaN value in a group as a value of a point. | |

first-value | Choose the first non-undefined value as a value of a point. | |

last | Choose the last non-NaN value in a group as a value of a point. | |

last-value | Choose the last non-undefined value as a value of a point. | |

list | Put all non-undefined values in a group to an array and us it as a value of a point. | |

max | Choose the biggest non-NaN value in a group as a value of a point. | |

min | Choose the lowest non-NaN value in a group as a value of a point. | |

sum | Calculate the sum of values in a group and use it as a value of a point. | |

weighted-average | Calculate average value in a group using other column values as weights and use it as a value of a point. |