kepler.gl.geoiq/dist/utils/aggregate-utils.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.aggregate = aggregate;
exports.getMode = exports.getFrequency = void 0;

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _d3Array = require("d3-array");

var _defaultSettings = require("../constants/default-settings");

function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }

function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { (0, _defineProperty2["default"])(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }

// import { ChannelByValueSelector } from '../../dist/components/side-panel/layer-panel/layer-configurator';
// const getFrenquency = data =>
//   data.reduce((uniques, val) => {
//     uniques[val] = (uniques[val] || 0) + 1;
//     return uniques;
//   }, {});
// function getMode(data) {
//   const occur = getFrenquency(data);
//   return Object.keys(occur).reduce(
//     (prev, key) => (occur[prev] >= occur[key] ? prev : key),
//     Object.keys(occur)[0]
//   );
// }
var getFrequency = exports.getFrequency = function getFrequency(data) {
  return data.reduce(function (uniques, val) {
    return _objectSpread(_objectSpread({}, uniques), {}, (0, _defineProperty2["default"])({}, val, (uniques[val] || 0) + 1));
  }, {});
};

var getMode = exports.getMode = function getMode(data) {
  var occur = getFrequency(data);
  return Object.keys(occur).reduce(function (prev, key) {
    return occur[prev] >= occur[key] ? prev : key;
  }, Object.keys(occur)[0]);
};

function aggregate(data, technique) {
  switch (technique) {
    case _defaultSettings.AGGREGATION_TYPES.average:
      return (0, _d3Array.mean)(data);

    case _defaultSettings.AGGREGATION_TYPES.countUnique:
      return Object.keys(data.reduce(function (uniques, val) {
        uniques[val] = uniques[val] || 0;
        uniques[val] += 1;
        return uniques;
      }, {})).length;

    case _defaultSettings.AGGREGATION_TYPES.mode:
      return getMode(data);

    case _defaultSettings.AGGREGATION_TYPES.maximum:
      return (0, _d3Array.max)(data);

    case _defaultSettings.AGGREGATION_TYPES.minimum:
      return (0, _d3Array.min)(data);

    case _defaultSettings.AGGREGATION_TYPES.median:
      return (0, _d3Array.median)(data);

    case _defaultSettings.AGGREGATION_TYPES.stdev:
      return (0, _d3Array.deviation)(data);

    case _defaultSettings.AGGREGATION_TYPES.sum:
      return (0, _d3Array.sum)(data);

    case _defaultSettings.AGGREGATION_TYPES.variance:
      return (0, _d3Array.variance)(data);

    default:
      return data.length;
  }
}
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