Summary functions are used in Dashboard tiles to determine how multiple values are aggregated and summarised into a single value, for displaying as a visualisation like a bar on a chart.

Following is a list of available summary functions and an explanation on how they'll aggregate the data.

| Counts the number of values. |

| Counts the number of distinct values. |

| The sum of the values. |

| The smallest value. |

| The largest value. |

| The average of the values. |

| An estimate of the standard deviation of a population where the sample is a subset of the entire population. |

| The standard deviation of a population where the population is the entire data to be summarised. |

| An estimate of the variance of a population where the sample is a subset of the entire population. |

| The variance of a population where the population is the entire data to be summarised. |

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