diegoolipa

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};

diegoolipa

package org.example.argoritmia;

import weka.classifiers.trees.J48;
import weka.core.Attribute;
import weka.core.Instances;
import weka.core.converters.CSVLoader;
import weka.core.Instance;
import weka.core.DenseInstance;

import java.io.File;

diegoolipa

package org.example;

import weka.classifiers.Evaluation;
import weka.classifiers.trees.J48;
import weka.core.*;
import com.opencsv.CSVReader;

import java.io.FileReader;
import java.util.List;

diegoolipa

// See https://aka.ms/new-console-template for more information

bool salir = false;

while (!salir)
{
    Console.WriteLine("==================");
    Console.WriteLine("Nombre: Diego Lipa");
    Console.WriteLine("==================");
    Console.WriteLine("Elije una opción: ");

diegoolipa

--Crear una nueva base de datos
--paso 01
ALTER SESSION SET "_ORACLE_SCRIPT" = TRUE;

--paso 02
CREATE USER USUARIO_MATRICULA IDENTIFIED BY "1234560"
DEFAULT TABLESPACE "USERS"
TEMPORARY TABLESPACE "TEMP";

diegoolipa

-------Diego Frank------
--Crear una nueva base de datos
--paso 01
ALTER SESSION SET "_ORACLE_SCRIPT" = TRUE;

--paso 02
CREATE USER USUARIO_MATRICULA IDENTIFIED BY "1234560"
DEFAULT TABLESPACE "USERS"
TEMPORARY TABLESPACE "TEMP";

diegoolipa

--------------------------------------------------------
-- Archivo creado  - miércoles-setiembre-04-2024   
--------------------------------------------------------
--------------------------------------------------------
--  DDL for Sequence SQ_PERSONA
--------------------------------------------------------

   CREATE SEQUENCE  "USUARIO_MATRICULA"."SQ_PERSONA"  MINVALUE 10 MAXVALUE 9999999999999999999999999999 INCREMENT BY 1 START WITH 30 CACHE 20 NOORDER  NOCYCLE  NOKEEP  NOSCALE  GLOBAL ;
--------------------------------------------------------
--  DDL for Sequence SQ_PERSONA_CELULAR

diegoolipa

-- ejercicio 01
-- de 5 tablas usar la funcion count(*) --Contar
SELECT * FROM PERSONA; --LISTAR TODO LOS DATOS
SELECT 
NOMBRE, 
apellido_materno AS MATERNO, 
apellido_paterno AS PATERNO 
FROM PERSONA;
SELECT COUNT(*) AS cantidad_persona 
FROM PERSONA;

diegoolipa

--EJERCICIO 16
--Uso de la CLAUSULA HAVING
SELECT apellido_paterno, count(*) AS cantidad FROM PERSONA
GROUP BY apellido_paterno
HAVING count(*) >= 2
;

--Ejercicio 17 JOINS
--Uso de INNER JOIN
SELECT * FROM PERSONA p

diegoolipa

package com.diego.pe.db;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import javax.swing.JOptionPane;

public class Conexion {
    // Declaración de variables estáticas para la conexión