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Scilab help >> Statistics > Central Tendency > geomean

# geomean

### 呼び出し手順

```gm=geomean(x)
gm=geomean(x,'r')(or, equivalently, gm=geomean(x,1))
gm=geomean(x,'c')(or, equivalently, gm=geomean(x,2))```

x

### 説明

この関数は,ベクトルまたは行列`x`の幾何学的平均 を計算します. ベクトルまたは行列`x`に関して, `gm=geomean(x)`は, `x`の全てのエントリの幾何学的平均を スカラー`gm`に返します.

`gm=geomean(x,'r')` (または等価な `gm=gmean(x,1)` ) は, 行ベクトル`gm`の各エントリに,`x`の 各列の幾何学的平均を返します.

`gm=geomean(x,'c')` (または等価な `gm=gmean(x,2)` ) は, 列ベクトル`gm`の各エントリに,`x`の 各行の幾何学的平均を返します.

### 参考文献

Wonacott, T.H. & Wonacott, R.J.; Introductory Statistics, fifth edition, J.Wiley & Sons, 1990.

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