summaryStatisticsForAge

import summaryStatisticsForAge from "@arcgis/core/smartMapping/statistics/summaryStatisticsForAge.js";

Since: ArcGIS Maps SDK for JavaScript 4.13

Function for generating statistics for the age of features in a layer based on a given start time and end time.

See also

Functions

Name	Return Type	Object
`summaryStatisticsForAge`	`Promise<SummaryStatisticsResult>`

Function

Returns an object containing various statistics describing an age value (e.g. the difference between a given end time from a start time) in a Layer.

Signature: summaryStatisticsForAge (parameters: SummaryStatisticsForAgeParameters): Promise<SummaryStatisticsResult>

Parameters

Parameter	Type	Description	Required
parameters	`SummaryStatisticsForAgeParameters`	The function parameters.

Returns: Promise<SummaryStatisticsResult>
Returns a promise that resolves to SummaryStatisticsResult.

Example

summaryStatisticsForAge({
  layer: featureLayer,
  startTime: "Created_Date",
  endTime: Date.now(),
  unit: "days",
  view: mapView
}).then(function(stats){
  console.log(`Average age of open incidents in days: ${stats.avg}`);
});