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基于数据集VB的非规范化值。净额

denormalized denormalization normalization vb.net

2

Kenny Barker · 技术社区 · 7 年前

Public Function NormalizeData(values As Double()) As Double()
    Dim min = values.Min
    Dim max = values.Max
    Return values.Select(Function(val) 2 * (val - min) / (max - min) - 1).ToArray
End Function

我将如何基于该数据集对值进行反规范化:

Public Function DeNormalizeData(baseData As Double(), value As Double) As Double
        Dim min = baseData.Min
        Dim max = baseData.Max
        Return '??
End Function

1 回复 | 直到 7 年前

1

2

mikek3332002 7 年前

求函数的逆:dn=非规范化,n=规范化

n= 2*((dn-min)/(max-min)) - 1 向两侧添加1

n+1=2*((dn-min)/(max-min)) 除以2

(n+1)/2=(dn-min)/(max-min) 乘以(max-min)

((max-min)*(n+1))/2 = dn - min

dn =(((max-min)*(n+1))/2)+min

public function DeNormalize(n as double, min as double, max as double) as double 
    return (((max-min)*(n+1))/2)+min
end function