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September 20, 2023 12:38
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Algoritmo en JAVA REGRESION LINELA SIMPLE
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import org.apache.commons.math3.analysis.function.Exp; | |
import org.apache.commons.math3.fitting.WeightedObservedPoints; | |
import org.apache.commons.math3.fitting.WeightedObservedPoint; | |
import org.apache.commons.math3.stat.regression.SimpleRegression; // Cambiar la importación | |
public class RegresionLinealSimple { | |
public static void main(String[] args) { | |
// Datos de entrada | |
double[] years = {2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023}; | |
double[] saldo = {751, 795, 852, 953, 971, 1002, 1287, 1396, 1399, 1502, 1596, 2000, 2842, 3052, 3520}; | |
// Crear un objeto SimpleRegression | |
SimpleRegression regression = new SimpleRegression(); | |
// Agregar los datos al objeto SimpleRegression | |
for (int i = 0; i < years.length; i++) { | |
regression.addData(years[i], saldo[i]); | |
} | |
// Obtener los coeficientes de la regresión | |
double b0 = regression.getIntercept(); | |
double b1 = regression.getSlope(); | |
// Imprimir los coeficientes | |
System.out.println("Coeficiente de la pendiente (B1): " + b1); | |
System.out.println("Coeficiente de la ordenada al origen (B0): " + b0); | |
// Predecir el saldo para un año determinado (por ejemplo, 2024) | |
double yearToPredict = 2025; | |
double predictedSaldo = b0 + b1 * yearToPredict; | |
System.out.println("Predicción de saldo para el año " + yearToPredict + ": " + predictedSaldo); | |
} | |
} |
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