/// <summary>
/// 정규화된 제곱 평균 - Normalized root-mean-square error (RMSE) : 예측치와 실제값과의 오차를 제곱평균으로 계산하고, 정규화합니다.
/// 참고 : http://en.wikipedia.org/wiki/Root_mean_square_error
/// </summary>
/// <param name="expected"></param>
/// <param name="actual"></param>
/// <returns></returns>
public static double NormalizedRootMeanSquareError(this IEnumerable <int?> expected, IEnumerable <int?> actual)
{
double rmse = RootMeanSquareError(expected, actual);
int min, max;
actual.GetMinMax(out min, out max);
return(rmse / (max - min));
}
/// <summary>
/// 정규화된 제곱 평균 - Normalized root-mean-square error (RMSE) : 예측치와 실제값과의 오차를 제곱평균으로 계산하고, 정규화합니다.
/// 참고 : http://en.wikipedia.org/wiki/Root_mean_square_error
/// </summary>
/// <param name="expected"></param>
/// <param name="actual"></param>
/// <returns></returns>
public static decimal NormalizedRootMeanSquareError(this IEnumerable <decimal?> expected, IEnumerable <decimal?> actual)
{
decimal rmse = RootMeanSquareError(expected, actual);
decimal min, max;
actual.GetMinMax(out min, out max);
return(rmse / (max - min));
}
/// <summary>
/// 정규화된 제곱 평균 - Normalized root-mean-square error (RMSE) : 예측치와 실제값과의 오차를 제곱평균으로 계산하고, 정규화합니다.
/// 참고 : http://en.wikipedia.org/wiki/Root_mean_square_error
/// </summary>
/// <param name="expected"></param>
/// <param name="actual"></param>
/// <returns></returns>
public static float NormalizedRootMeanSquareError(this IEnumerable <float?> expected, IEnumerable <float?> actual)
{
float rmse = RootMeanSquareError(expected, actual);
float min, max;
actual.GetMinMax(out min, out max);
return(rmse / (max - min));
}
/// <summary>
/// 정규화된 제곱 평균 - Normalized root-mean-square error (RMSE) : 예측치와 실제값과의 오차를 제곱평균으로 계산하고, 정규화합니다.
/// 참고 : http://en.wikipedia.org/wiki/Root_mean_square_error
/// </summary>
/// <param name="expected"></param>
/// <param name="actual"></param>
/// <returns></returns>
public static double NormalizedRootMeanSquareError(this IEnumerable<int?> expected, IEnumerable<int?> actual) {
double rmse = RootMeanSquareError(expected, actual);
int min, max;
actual.GetMinMax(out min, out max);
return rmse / (max - min);
}
/// <summary>
/// 정규화된 제곱 평균 - Normalized root-mean-square error (RMSE) : 예측치와 실제값과의 오차를 제곱평균으로 계산하고, 정규화합니다.
/// 참고 : http://en.wikipedia.org/wiki/Root_mean_square_error
/// </summary>
/// <param name="expected"></param>
/// <param name="actual"></param>
/// <returns></returns>
public static decimal NormalizedRootMeanSquareError(this IEnumerable<decimal?> expected, IEnumerable<decimal?> actual) {
decimal rmse = RootMeanSquareError(expected, actual);
decimal min, max;
actual.GetMinMax(out min, out max);
return rmse / (max - min);
}
/// <summary>
/// 정규화된 제곱 평균 - Normalized root-mean-square error (RMSE) : 예측치와 실제값과의 오차를 제곱평균으로 계산하고, 정규화합니다.
/// 참고 : http://en.wikipedia.org/wiki/Root_mean_square_error
/// </summary>
/// <param name="expected"></param>
/// <param name="actual"></param>
/// <returns></returns>
public static float NormalizedRootMeanSquareError(this IEnumerable<float?> expected, IEnumerable<float?> actual) {
float rmse = RootMeanSquareError(expected, actual);
float min, max;
actual.GetMinMax(out min, out max);
return rmse / (max - min);
}