this.segmentTimeSeriesByMaximizingSchwarzCriterion = function()

in resources/perf.webkit.org/public/shared/statistics.js [252:273]

• 16 lines of code
• 6 McCabe index (conditional complexity)

    this.segmentTimeSeriesByMaximizingSchwarzCriterion = function (values, segmentCountWeight, gridSize) {
        // Split the time series into grids since splitIntoSegmentsUntilGoodEnough is O(n^2).
        var gridLength = gridSize || 500;
        var totalSegmentation = [0];
        for (var gridCount = 0; gridCount < Math.ceil(values.length / gridLength); gridCount++) {
            var gridValues = values.slice(gridCount * gridLength, (gridCount + 1) * gridLength);
            var segmentation = splitIntoSegmentsUntilGoodEnough(gridValues, segmentCountWeight);

            if (Statistics.debuggingSegmentation)
                console.log('grid=' + gridCount, segmentation);

            for (var i = 1; i < segmentation.length - 1; i++)
                totalSegmentation.push(gridCount * gridLength + segmentation[i]);
        }

        if (Statistics.debuggingSegmentation)
            console.log('Final Segmentation', totalSegmentation);

        totalSegmentation.push(values.length);

        return totalSegmentation;
    }