---
title: kaufmansAMA() function
description: >
  `kaufmansAMA()` calculates the Kaufman’s Adaptive Moving Average (KAMA) using
  values in input tables.
menu:
  flux_v0_ref:
    name: kaufmansAMA
    parent: universe
    identifier: universe/kaufmansAMA
weight: 101
flux/v0/tags: [transformations]
introduced: 0.40.0
---

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`kaufmansAMA()` calculates the Kaufman’s Adaptive Moving Average (KAMA) using
values in input tables.

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], n: int, ?column: string) => stream[B] where A: Record, B: Record
```

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

## Parameters

### n
({{< req >}})
Period or number of points to use in the calculation.



### column

Column to operate on. Default is `_value`.



### tables

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




## Examples

### Calculate Kaufman's Adaptive Moving Average for input data

```js
import "sampledata"

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

```

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{{% expand "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   |

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