---
title: experimental.kaufmansAMA() function
description: experimental.kaufmansAMA() calculates the Kaufman’s Adaptive Moving Average (KAMA) of input tables using the _value column in each table.
url: https://docs.influxdata.com/flux/v0/stdlib/experimental/kaufmansama/
estimated_tokens: 1372
product: Flux
version: v0
---

# experimental.kaufmansAMA() function

-   Flux 0.107.0+
-   View InfluxDB support

`experimental.kaufmansAMA()` is [subject to change at any time](/flux/v0/stdlib/experimental/#experimental-packages-are-subject-to-change).

`experimental.kaufmansAMA()` calculates the Kaufman’s Adaptive Moving Average (KAMA) of input tables using the `_value` column in each table.

Kaufman’s Adaptive Moving Average is a trend-following indicator designed to account for market noise or volatility.

##### Function type signature

```js
(<-tables: stream[{A with _value: B}], n: int) => stream[{A with _value: float}] where B: Numeric
```

For more information, see [Function type signatures](/flux/v0/function-type-signatures/).

## Parameters

### n

(Required) Period or number of points to use in the calculation.

### tables

Input data. Default is piped-forward data (`<-`).

## Examples

### Calculate the KAMA of input tables

```js
import "experimental"
import "sampledata"

sampledata.int()
    |> experimental.kaufmansAMA(n: 3)
```

[](#view-example-input-and-output)

View example input and output

#### Input data

| _time | _value | *tag |
| --- | --- | --- |
| 2021-01-01T00:00:00Z | -2 | t1 |
| 2021-01-01T00:00:10Z | 10 | t1 |
| 2021-01-01T00:00:20Z | 7 | t1 |
| 2021-01-01T00:00:30Z | 17 | t1 |
| 2021-01-01T00:00:40Z | 15 | t1 |
| 2021-01-01T00:00:50Z | 4 | t1 |

| _time | _value | *tag |
| --- | --- | --- |
| 2021-01-01T00:00:00Z | 19 | t2 |
| 2021-01-01T00:00:10Z | 4 | t2 |
| 2021-01-01T00:00:20Z | -3 | t2 |
| 2021-01-01T00:00:30Z | 19 | t2 |
| 2021-01-01T00:00:40Z | 13 | t2 |
| 2021-01-01T00:00:50Z | 1 | t2 |

#### Output data

| _time | _value | *tag |
| --- | --- | --- |
| 2021-01-01T00:00:30Z | 9.72641183951902 | t1 |
| 2021-01-01T00:00:40Z | 10.097401019601417 | t1 |
| 2021-01-01T00:00:50Z | 9.972614968115325 | t1 |

| _time | _value | *tag |
| --- | --- | --- |
| 2021-01-01T00:00:30Z | -2.9084287200832466 | t2 |
| 2021-01-01T00:00:40Z | -2.142970089472789 | t2 |
| 2021-01-01T00:00:50Z | -2.0940721758134693 | t2 |

#### Related

-   [kaufmansER() function](/flux/v0/stdlib/universe/kaufmanser/)
-   [InfluxQL KAUFMANS\_ADAPTIVE\_MOVING\_AVERAGE()](/influxdb/v1/query_language/functions/#kaufmans-adaptive-moving-average)

[transformations](/flux/v0/tags/transformations/)