<dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-math3</artifactId> <version>3.6.1</version> </dependency> implementation 'org.apache.commons:commons-math3:3.6.1' double[] data = {1.0, 2.0, 3.0, 4.0, 5.0}; import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics; DescriptiveStatistics stats = new DescriptiveStatistics(data); double mean = stats.getMean(); double variance = stats.getVariance(); import org.apache.commons.math3.stat.regression.SimpleRegression; SimpleRegression regression = new SimpleRegression(); regression.addData(x1, y1); regression.addData(x2, y2); regression.addData(x3, y3); double slope = regression.getSlope(); double intercept = regression.getIntercept();