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

Example 1 with LogisticRegression

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

the class Chap13 method c_3.

static void c_3() throws Exception {
    AkSourceBatchOp train_data = new AkSourceBatchOp().setFilePath(DATA_DIR + SPARSE_TRAIN_FILE);
    AkSourceBatchOp test_data = new AkSourceBatchOp().setFilePath(DATA_DIR + SPARSE_TEST_FILE);
    BatchOperator.setParallelism(1);
    new OneVsRest().setClassifier(new LogisticRegression().setVectorCol(VECTOR_COL_NAME).setLabelCol(LABEL_COL_NAME).setPredictionCol(PREDICTION_COL_NAME)).setNumClass(10).fit(train_data).transform(test_data).link(new EvalMultiClassBatchOp().setLabelCol(LABEL_COL_NAME).setPredictionCol(PREDICTION_COL_NAME).lazyPrintMetrics("OneVsRest - LogisticRegression"));
    new OneVsRest().setClassifier(new LinearSvm().setVectorCol(VECTOR_COL_NAME).setLabelCol(LABEL_COL_NAME).setPredictionCol(PREDICTION_COL_NAME)).setNumClass(10).fit(train_data).transform(test_data).link(new EvalMultiClassBatchOp().setLabelCol(LABEL_COL_NAME).setPredictionCol(PREDICTION_COL_NAME).lazyPrintMetrics("OneVsRest - LinearSvm"));
    BatchOperator.execute();
}

Example 2 with LogisticRegression

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

the class LogisticRegressionMixVecTest method batchMixVecTest5.

@Test
public void batchMixVecTest5() {
    BatchOperator<?> trainData = (BatchOperator<?>) getData();
    Pipeline pipeline = new Pipeline().add(new LogisticRegression().setVectorCol("svec").setWithIntercept(false).setStandardization(false).setLabelCol("labels").setPredictionCol("pred"));
    PipelineModel model = pipeline.fit(trainData);
    model.transform(trainData).collect();
}

Example 3 with LogisticRegression

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

the class LogisticRegressionMixVecTest method batchMixVecTest15.

@Test
public void batchMixVecTest15() {
    BatchOperator<?> trainData = (BatchOperator<?>) getData();
    Pipeline pipeline = new Pipeline().add(new LogisticRegression().setVectorCol("svec2").setWithIntercept(false).setStandardization(false).setLabelCol("labels").setPredictionCol("pred"));
    PipelineModel model = pipeline.fit(trainData);
    model.transform(trainData).collect();
}

Example 4 with LogisticRegression

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

the class LogisticRegressionMixVecTest method batchMixVecTest8.

@Test
public void batchMixVecTest8() {
    BatchOperator<?> trainData = (BatchOperator<?>) getData();
    Pipeline pipeline = new Pipeline().add(new LogisticRegression().setVectorCol("vec").setWithIntercept(false).setStandardization(true).setLabelCol("labels").setPredictionCol("pred"));
    PipelineModel model = pipeline.fit(trainData);
    model.transform(trainData).collect();
}

Example 5 with LogisticRegression

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

the class LogisticRegressionMixVecTest method batchMixVecTest6.

@Test
public void batchMixVecTest6() {
    BatchOperator<?> trainData = (BatchOperator<?>) getData();
    Pipeline pipeline = new Pipeline().add(new LogisticRegression().setVectorCol("vec").setWithIntercept(false).setStandardization(false).setLabelCol("labels").setPredictionCol("pred"));
    PipelineModel model = pipeline.fit(trainData);
    model.transform(trainData).collect();
}