@jsmlt/jsmlt/distribution/data/datapoint.js

JavaScript Machine Learning

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/**
 * Datapoint in a dataset, with features and possibly a class index. Can be used as the model for
 * UI data points.
 */
var Datapoint = function () {
  /**
   * Constructor. Load data point features.
   *
   * @param {Array.<number>} features - Data point features array
   */
  function Datapoint(features) {
    _classCallCheck(this, Datapoint);

    this.features = features; // Data point features array
    this.classIndex = null; // Index of data point's class

    // "marked" status of data point. Can be used e.g. to indicate support vectors
    this.marked = false;
  }

  /**
   * Change the class index of this data point.
   *
   * @param {mixed} classIndex - New class index
   */


  _createClass(Datapoint, [{
    key: "setClassIndex",
    value: function setClassIndex(classIndex) {
      this.classIndex = classIndex;
    }

    /**
     * Get the class index of this data point.
     *
     * @return {mixed} Class index
     */

  }, {
    key: "getClassIndex",
    value: function getClassIndex() {
      return this.classIndex;
    }

    /**
     * Change the "marked" status of this data point. Can be used for e.g. support vectors.
     *
     * @param {boolean} marked - Whether the data point should be marked or not
     */

  }, {
    key: "setMarked",
    value: function setMarked(marked) {
      this.marked = marked;
    }

    /**
     * Check whether the data point is marked.
     *
     * @return {boolean} - Whether the data point is marked
     */

  }, {
    key: "isMarked",
    value: function isMarked() {
      return this.marked;
    }
  }]);

  return Datapoint;
}();

exports.default = Datapoint;
module.exports = exports["default"];