Method _updateTrainingOptions

src/neural-network.js:323–328

* * @param opts * Supports all `trainDefaults` properties * also supports: * learningRate: (number), * momentum: (number), * activation: 'sigmoid', 'relu', 'leaky-relu', 'tanh'

(opts)

   *       activation: 'sigmoid', 'relu', 'leaky-relu', 'tanh'
   */
  _updateTrainingOptions(opts) {
    Object.keys(NeuralNetwork.trainDefaults).forEach(opt => this.trainOpts[opt] = (opts.hasOwnProperty(opt)) ? opts[opt] : this.trainOpts[opt]);
    NeuralNetwork._validateTrainingOptions(this.trainOpts);
    this._setLogMethod(opts.log || this.trainOpts.log);
    this.activation = opts.activation || this.activation;
  }

  /**
   *