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Excel情報510 関数--VLOOKUP関数 該当する範囲の検索 |
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【テーマ】
今回は、VLOOKUP関数を使って該当する範囲の検索を利用した例をご紹介します。 |
【方法】
VLOOKUP関数の設定で、検索方法をTRUE指定します。 |
【参考】
VLOOKUP関数の詳細は「バックナンバー428」をご参照ください。 |
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今回は、VLOOKUP関数を使って近似値検索を利用した例をご紹介します。 |
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VLOOKUP関数を使う場合、完全一致検索で使用することが多いと思いますが、 |
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近似値検索にすることで、○以上△以下といった検索が可能になります。 |
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■設定について |
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・ |
近似値検索を設定する場合、VLOOKUP関数の[検索方法]を TRUE にします。 |
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([検索値]が見つからなかった時は、[検索値]未満の最大値が検索されます) |
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・ |
表の左端列を昇順に並べておきます。 |
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■使用例 |
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例1.成績(点数)によって、評価を自動的につける例 |
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解説 |
=VLOOKUP(点数セル,評価リスト,2列目(評価列),近似値で指定) |
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最初の数式 |
=VLOOKUP(C3,$F$3:$G$6,2,TRUE) |
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最初の点数(25点)の場合、評価リスト内の40点に満たないので、その前の評価(悪い)となります。 |
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例2.配達料金を求める例 |
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重量(緑色)セルに数字を入れると、料金が表示されます。 |
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重量 |
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g |
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重量 |
上限重量 |
料金(円) |
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料金 |
100 |
円 |
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50g以内 |
0 |
100 |
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100g以内 |
51 |
120 |
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150g以内 |
101 |
140 |
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250g以内 |
151 |
210 |
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500g以内 |
251 |
250 |
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501g以内 |
501 |
390 |
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その他、「日付から該当期間の税率を求める」、「現在ポイントから割引率を求める」など、 |
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「検索する値・日付などが、どの範囲に該当するか」を求める時に便利な方法となります。 |
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Copyright(C) アイエルアイ総合研究所 無断転載を禁じます |
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