namespace anychart.math.ema Improve this Doc
Namespace anychart.math.ema
Learn more about indicator mathematics.
Functions Overview
| calculate() | EMA calculation. |
| calculationFunction() | Calculates EMA. |
| createComputer() | Creates an EMA computer for the given table mapping. |
| initContext() | Creates a context for EMA indicator calculation. |
| startFunction() | Start calculation function for EMA indicator calculation. |
Typedefs Overview
| anychart.math.ema.Context | Type definition for the context. |
Functions Description
calculate
EMA calculation.
Params:
| Name | Type | Description |
|---|---|---|
| context | anychart.math.ema.Context | EMA context. |
| value | number | Value. |
Returns:
number - The calculated EMA indicator value.calculationFunction
Calculates EMA.
Params:
| Name | Type | Description |
|---|---|---|
| row | anychart.data.TableComputer.RowProxy | Row proxy. |
| context | anychart.math.ema.Context | Context. |
Try it:
createComputer
Creates an EMA computer for the given table mapping.
Params:
| Name | Type | Description |
|---|---|---|
| mapping | anychart.data.TableMapping | Data mapping. |
| period | number | Indicator period. |
Returns:
anychart.data.TableComputer - Table computer.Try it:
initContext
Creates a context for EMA indicator calculation.
Params:
| Name | Type | Default | Description |
|---|---|---|---|
| period | number | 20 | Indicator period. |
Returns:
anychart.math.ema.Context - Context.Try it:
startFunction
Start calculation function for EMA indicator calculation.
Params:
| Name | Type | Description |
|---|---|---|
| context | anychart.math.ema.Context | Context. |
Try it: