ahp-criteria-helper/dist/calculate-consistency.js

A simple package that helps to find the weights of n criteria, and also calculate your consistency ratio.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.calculateConsistency = void 0;
var calculate_weights_1 = require("./calculate-weights");
var random_consistency_index_1 = require("./random-consistency-index");
var calculateConsistency = function (matrix, weights) {
    if (matrix.length < 3)
        throw new Error('You need at lest 3 criteria to calculate de consistency');
    var scopeWeights = weights || (0, calculate_weights_1.calculateWeights)(matrix);
    return ((matrix.reduce(function (acc, array, rowIndex) {
        return acc +
            array.reduce(function (arrAcc, item, colIndex) { return arrAcc + scopeWeights[colIndex] * item; }, 0) /
                scopeWeights[rowIndex];
    }, 0) /
        scopeWeights.length -
        matrix.length) /
        (matrix.length - 1) /
        (0, random_consistency_index_1.randomConsistencyIndex)(matrix.length));
};
exports.calculateConsistency = calculateConsistency;
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