using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Science.Statistics.BasicStatistics
{
    public class StandardErrorAndExpectedValue
    {
        public StandardErrorAndExpectedValue()
        {
        }
        public StandardErrorAndExpectedValue(StandardDeviationAndAverage meanAndStandardDeviation, int numberOfDraws)
        {
            ev = (double)numberOfDraws * meanAndStandardDeviation.Average;
            se = Math.Sqrt((double)numberOfDraws) * meanAndStandardDeviation.StandardDeviation;
            eva = meanAndStandardDeviation.Average;
            sea = meanAndStandardDeviation.StandardDeviation / Math.Sqrt((double)numberOfDraws);
            evp = eva * 100.0;
            sep = sea * 100.0; 
        }
        public StandardErrorAndExpectedValue(BoxModel model)
        {
            StandardDeviationAndAverage sdavg
                = new StandardDeviationAndAverage(model.NumberOfTickets, model.TicketValue);
            ev = (double)model.NumberOfDraws*sdavg.Average;
            se = Math.Sqrt((double)model.NumberOfDraws)*sdavg.StandardDeviation;
            eva = ev / (double)model.NumberOfDraws;
            sea = se / (double)model.NumberOfDraws;
            evp = eva * 100.0;
            sep = sea * 100.0; 
        }
        private double se;
        public double StandardErrorForSum
        {
            get { return se; }
            set { se = value; }
        }
        private double ev;
        public double ExpectedValueForSum
        {
            get { return ev; }
            set { ev = value; }
        }
        private double sea;
        public double StandardErrorForAverage
        {
            get { return sea; }
            set { sea = value; }
        }
        private double eva;
        public double ExpectedValueForAverage
        {
            get { return eva; }
            set { eva = value; }
        }
        private double sep;
        public double StandardErrorForPercentage
        {
            get { return sep; }
            set { sep = value; }
        }
        private double evp;
        public double ExpectedValueForPercentage
        {
            get { return evp; }
            set { evp = value; }
        } 
    }
}