addMathMethod

adds a custom operation

name	string	the name of the new operation
label	string	the label of the new operation
function	function	the function that will be called for cells assigned to this operation

Example

myPivot.addMathMethod("avr", "Avr", (cellData) => {
    const sum = cellData.reduce((el, all) => all += el);
    return (sum / cellData.length).toFixed(3);
});

Related sample:  Custom methods

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