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The Apache Commons Codec package contains simple encoder and decoders for
various formats such as Base64 and Hexadecimal. In addition to these
widely used encoders and decoders, the codec package also maintains a
collection of phonetic encoding utilities.
/*
* ====================================================================
* 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,
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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 INTERCEPT()
*
* Calculates the INTERCEPT of the linear regression line that is used to predict y values from x values
* (http://introcs.cs.princeton.edu/java/97data/LinearRegression.java.html)
* Syntax:
* INTERCEPT(arrayX, arrayY)
*/
public final class Intercept extends Fixed2ArgFunction {
private final LinearRegressionFunction func;
public Intercept() {
func = new LinearRegressionFunction(FUNCTION.INTERCEPT);
}
@Override
public ValueEval evaluate(int srcRowIndex, int srcColumnIndex,
ValueEval arg0, ValueEval arg1) {
return func.evaluate(srcRowIndex, srcColumnIndex, arg0, arg1);
}
}