kaufmansER() function

kaufmansER() computes the Kaufman’s Efficiency Ratio (KER) of values in the _value column for each input table.

Kaufman’s Efficiency Ratio indicator divides the absolute value of the Chande Momentum Oscillator by 100 to return a value between 0 and 1. Higher values represent a more efficient or trending market.

Function type signature
(<-tables: stream[A], n: int) => stream[{B with _value: float, _value: float}] where A: Record
For more information, see Function type signatures.



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


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


Compute the Kaufman’s Efficiency Ratio

import "sampledata"
    |> kaufmansER(n: 3)

View example input and ouput

Was this page helpful?

Thank you for your feedback!

Upgrade to InfluxDB Cloud or InfluxDB 2.0!

InfluxDB Cloud and InfluxDB OSS 2.0 ready for production.