highcharts
Version:
JavaScript charting framework
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JavaScript
/* *
*
* (c) 2009-2025 Highsoft AS
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* Authors:
* - Sophie Bremer
*
* */
;
import FormulaProcessor from '../FormulaProcessor.js';
/* *
*
* Functions
*
* */
/**
* Processor for the `MEDIAN(...values)` implementation. Calculates the median
* average of the given values.
*
* @private
* @function Formula.processorFunctions.MEDIAN
*
* @param {Highcharts.FormulaArguments} args
* Arguments to process.
*
* @param {Highcharts.DataTable} [table]
* Table to process.
*
* @return {number}
* Result value of the process.
*/
function MEDIAN(args, table) {
const median = [], values = FormulaProcessor.getArgumentsValues(args, table);
for (let i = 0, iEnd = values.length, value; i < iEnd; ++i) {
value = values[i];
switch (typeof value) {
case 'number':
if (!isNaN(value)) {
median.push(value);
}
break;
case 'object':
for (let j = 0, jEnd = value.length, value2; j < jEnd; ++j) {
value2 = value[j];
if (typeof value2 === 'number' &&
!isNaN(value2)) {
median.push(value2);
}
}
break;
}
}
const count = median.length;
if (!count) {
return NaN;
}
const half = Math.floor(count / 2); // Floor because index starts at 0
return (count % 2 ?
median[half] : // Odd
(median[half - 1] + median[half]) / 2 // Even
);
}
/* *
*
* Registry
*
* */
FormulaProcessor.registerProcessorFunction('MEDIAN', MEDIAN);
/* *
*
* Default Export
*
* */
export default MEDIAN;