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(Showing Draft Content)

TREND

回帰直線に対して予測される値を返します。 この関数は、既知のx値およびy値の配列に直線を当てはめます。 次に、新たに指定したx値配列に対し、この直線上で予測されるy値を返します。

書式

TREND( y , x , newx , constant )

引数

有効な引数は次のとおりです。

引数

説明

y

既知のy値系列。y=mx+bという関係になります。

x

(オプション)既知のx値系列。y=mx+bという関係になります。

newx

対応するy値の算出に使用される新しいx値系列

constant

定数bを0とするかどうかを指定する論理値

解説

constantをtrueに設定、または省略すると、定数bは通常どおり計算されます。 constantをfalseに設定すると、定数bは0となり、y=mxとなるようにm値が調整されます。

xを省略すると、y配列と同じ要素数を持つデフォルトのx配列 {1,2,3...} が使用されます。

newxを省略すると、xと同じ値配列が使用されます。

返された配列内の個々の要素を取得するには、INDEX関数を使用します。

データ型

配列を受け取り、 配列を返します。

サンプル

TREND(A2:A7,C2:C7,A9:A10)