# Aggregate Functions

- [AVERAGE](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/average.md): Averages a list of numbers
- [CORR](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/corr.md): Calculates a correlation coefficient
- [COUNT](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/count.md): Returns the count of all non-null values in a column
- [COUNTD](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/countd.md): Returns count of distinct values within a column
- [COUNTBY](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/countby.md): Counts the number of values within a column, partitioned by the unique values of a separate column
- [COUNTIF](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/countif.md): Counts values based on a condition
- [COUNTIFS](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/countifs.md): Counts values based on multiple conditions
- [COVAR](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/covar.md): Calculates covariance
- [COVARP](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/covarp.md): Calculates population covariance
- [COVARS](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/covars.md): Calculates sample covariance
- [MAX](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/max.md): Finds maximum value in a list of numbers
- [MEDIAN](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/median.md): Finds median value of a list of numbers
- [MIN](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/min.md): Finds minimum value in a list of numbers
- [MAXBY](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/maxby.md): Finds the maximum of a list of numbers, partitioned by the unique values of a separate column
- [MINBY](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/minby.md): Finds the minimum of a list of numbers, partitioned by the unique values of a separate column
- [PERCENTILE](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/percentile.md): Computes nth percentile of a list of numbers
- [STDEV](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/stdev.md): Returns the standard deviation of a list of numbers
- [STDEVP](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/stdevp.md): Returns the standard deviation of a list of numbers
- [STDEVS](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/stdevs.md): Returns the sample standard deviation of a list of numbers
- [SUM](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/sum.md): Sums a list of numbers
- [SUMBY](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/sumby.md): Sums a list of numbers, partitioned by the unique values of a separate column
- [SUMIF](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/sumif.md): Sums values within a column if specified criteria is met
- [VAR](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/var.md): Calculates variance
- [VARP](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/varp.md): Calculates a population variance
- [VARS](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/vars.md): Calculates a sample variance
- [RUNNINGTOTALBY](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/runningtotalby.md): Calculates a running total when grouped by a partition column
- [SIGN](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/runningtotalby/sign.md): Determines the sign of a number
- [SIN](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/runningtotalby/sin.md): Calculates the sine of an angle
- [SQRT](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/runningtotalby/sqrt.md): Takes the square root of a given number
- [SQUARE](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/runningtotalby/square.md): Squares a given number
- [TAN](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/runningtotalby/tan.md): Calculates the tangent of an angle
- [ZN](https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate/runningtotalby/zn.md): Fill all null values with 0


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.cascade.io/cascade/functions-and-expressions/functions/aggregate.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.