[patch] Excel RSQ implementation

RSquare.java (text/plain), 1.82 KB, created by Thad Welch on 2021-04-27 09:53:24 UTC

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Description: Excel RSQ implementation

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Creator: Thad Welch

Created: 2021-04-27 09:53:24 UTC

Size: 1.82 KB

patch

obsolete

>/* > * ==================================================================== > * Licensed to the Apache Software Foundation (ASF) under one or more > * contributor license agreements. See the NOTICE file distributed with > * this work for additional information regarding copyright ownership. > * The ASF licenses this file to You under the Apache License, Version 2.0 > * (the "License"); you may not use this file except in compliance with > * the License. You may obtain a copy of the License at > * > * http://www.apache.org/licenses/LICENSE-2.0 > * > * Unless required by applicable law or agreed to in writing, software > * distributed under the License is distributed on an "AS IS" BASIS, > * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. > * See the License for the specific language governing permissions and > * limitations under the License. > * ==================================================================== > */ > >package org.apache.poi.ss.formula.functions; > >import org.apache.poi.ss.formula.eval.ValueEval; >import org.apache.poi.ss.formula.functions.LinearRegressionFunction.FUNCTION; > >/** > * Implementation of Excel function RSquare()<p> > * > * Calculates the RSquare of the linear regression line using org.apache.commons.math3.stat.regression.SimpleRegression > * <b>Syntax</b>:<br> > * <b>RSquare</b>(<b>arrayX</b>, <b>arrayY</b>)<p> > * > * > * @author Johan Karlsteen > * @see org.apache.commons.math3.stat.regression.SimpleRegression > */ >public final class RSquare extends Fixed2ArgFunction { > > private final LinearRegressionFunction func; > public RSquare() { > func = new LinearRegressionFunction(FUNCTION.RSQUARE); > } > > public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, > ValueEval arg0, ValueEval arg1) { > return func.evaluate(srcRowIndex, srcColumnIndex, arg0, arg1); > } >} > View Attachment As Diff View Attachment As Raw

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