[C#/COMMON] 표준 편차 구하기

■ 표준 편차를 구하는 방법을 보여준다.

▶ 예제 코드 (C#)


using System;
using System.Collections.Generic;

#region 표준 편차 구하기 - GetStandardDeviation(valueList, average)

/// <summary>
/// 표준 편차 구하기
/// </summary>
/// <param name="valueList">값 리스트</param>
/// <param name="average">평균</param>
/// <returns>표준 편차</returns>
public static double GetStandardDeviation(List<double> valueList, double average)
{
    double variance = 0d;

    foreach(double value in valueList)
    {
        variance += Math.Pow(value - average, 2);
    }

    return Math.Sqrt(variance / valueList.Count);
}

#endregion

using System;

using System.Collections.Generic;

#region 표준 편차 구하기 - GetStandardDeviation(valueList, average)

/// <summary>

/// 표준 편차 구하기

/// </summary>

/// <param name="valueList">값 리스트</param>

/// <param name="average">평균</param>

/// <returns>표준 편차</returns>

public static double GetStandardDeviation(List<double> valueList, double average)

{

double variance = 0d;

foreach(double value in valueList)

{

variance += Math.Pow(value - average, 2);

}

return Math.Sqrt(variance / valueList.Count);

}

#endregion