Examples with Softmax com.alibaba.alink.pipeline.classification.Softmax used on opensource projects

Example 1 with Softmax

use of com.alibaba.alink.pipeline.classification.Softmax in project Alink by alibaba.

the class Chap12 method c_5.

static void c_5() throws Exception {
    AkSourceBatchOp train_data = new AkSourceBatchOp().setFilePath(DATA_DIR + TRAIN_FILE);
    AkSourceBatchOp test_data = new AkSourceBatchOp().setFilePath(DATA_DIR + TEST_FILE);
    new Softmax().setFeatureCols(FEATURE_COL_NAMES).setLabelCol(LABEL_COL_NAME).setPredictionCol(PREDICTION_COL_NAME).enableLazyPrintTrainInfo().enableLazyPrintModelInfo().fit(train_data).transform(test_data).link(new EvalMultiClassBatchOp().setLabelCol(LABEL_COL_NAME).setPredictionCol(PREDICTION_COL_NAME).lazyPrintMetrics("Softmax"));
    BatchOperator.execute();
}

Example 2 with Softmax

use of com.alibaba.alink.pipeline.classification.Softmax in project Alink by alibaba.

the class Chap25 method softmax.

public static void softmax(BatchOperator<?> train_set, BatchOperator<?> test_set) throws Exception {
    BatchOperator.setParallelism(1);
    new Pipeline().add(new Softmax().setVectorCol("vec").setLabelCol("label").setPredictionCol("pred")).fit(train_set).transform(test_set).link(new EvalMultiClassBatchOp().setLabelCol("label").setPredictionCol("pred").lazyPrintMetrics());
    BatchOperator.execute();
}

Example 3 with Softmax

use of com.alibaba.alink.pipeline.classification.Softmax in project Alink by alibaba.

the class Chap13 method c_2.

static void c_2() throws Exception {
    AkSourceBatchOp train_data = new AkSourceBatchOp().setFilePath(DATA_DIR + SPARSE_TRAIN_FILE);
    AkSourceBatchOp test_data = new AkSourceBatchOp().setFilePath(DATA_DIR + SPARSE_TEST_FILE);
    new Softmax().setVectorCol(VECTOR_COL_NAME).setLabelCol(LABEL_COL_NAME).setPredictionCol(PREDICTION_COL_NAME).enableLazyPrintTrainInfo().enableLazyPrintModelInfo().fit(train_data).transform(test_data).link(new EvalMultiClassBatchOp().setLabelCol(LABEL_COL_NAME).setPredictionCol(PREDICTION_COL_NAME).lazyPrintMetrics("Softmax"));
    BatchOperator.execute();
}