Loads training and test data.
()
| 43 | |
| 44 | /** Loads training and test data. */ |
| 45 | async loadData() { |
| 46 | this.dataset = await Promise.all([ |
| 47 | utils.loadCsv(TRAIN_DATA), utils.loadCsv(TRAIN_TARGET), |
| 48 | utils.loadCsv(TEST_DATA), utils.loadCsv(TEST_TARGET) |
| 49 | ]); |
| 50 | |
| 51 | let {dataset: trainDataset, vectorMeans, vectorStddevs} = |
| 52 | utils.normalizeDataset(this.dataset[0]); |
| 53 | |
| 54 | this.dataset[0] = trainDataset; |
| 55 | |
| 56 | let {dataset: testDataset} = utils.normalizeDataset( |
| 57 | this.dataset[2], false, vectorMeans, vectorStddevs); |
| 58 | |
| 59 | this.dataset[2] = testDataset; |
| 60 | |
| 61 | this.trainSize = this.dataset[0].length; |
| 62 | this.testSize = this.dataset[2].length; |
| 63 | |
| 64 | utils.shuffle(this.dataset[0], this.dataset[1]); |
| 65 | utils.shuffle(this.dataset[2], this.dataset[3]); |
| 66 | } |
| 67 | |
| 68 | getTrainData() { |
| 69 | const dataShape = [this.trainSize, this.NUM_FEATURES]; |