Created
May 2, 2014 09:29
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| function aggregateMetric(metrics, countries) { | |
| var metric = []; //the single metric array of dates that we'll return, | |
| //aggregated over the selected countries | |
| var count = 0; // a count of countries being aggregated over | |
| for (var i = 0; i < metrics.length; i++) { | |
| if (jQuery.inArray(metrics[i][0], countries) > -1) { //this is a country we should aggregate for | |
| if (count == 0) { | |
| metric = cloneMetric(metrics[i]); // since metric is empty, set metric to the first set of metrics we find | |
| count++; | |
| } else { | |
| metric[0] = metric[0] + metrics[i][0]; //combine the country names for auditing | |
| for (var j = 1; j < metric.length; j++) { | |
| //iterate through metric[j] object and add metrics[i][j] values to it. | |
| //note: this requires that each country has the same number of days' worth of data! | |
| for (var key in metrics[i][j]) { | |
| if (key != "date") { // don't add the date | |
| metric[j][""+key] += metrics[i][j][""+key]; | |
| } | |
| } | |
| } | |
| count++; | |
| } | |
| } | |
| } | |
| metric = createAverages(metric); //create the averaged values from the counts | |
| //(like retention metrics, average session length, etc.) | |
| return metric; | |
| } |
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