質問編集履歴
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追記しました。
test
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@@ -57,3 +57,13 @@
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データを取得できずnilになってしまっていると思うのですが、きちんとDouble型に変換するにはどのようにすれば良いでしょうか。
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###追記
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print (array[randomNum()][2])で得られるデータは以下です。
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[["1", "1", "123.6 "], ["1", "1", "88.3 "], ["1", "0", "49.4 "], ["1", "0", "57.0 "], ["1", "0", "74.0 "], ["1", "0", "125.4 "], ["1", "0", "189.9 "], ["1", "1", "233.8 "], ["1", "1", "125.0 "], ["1", "1", "94.6 "], ["1", "1", "14.4 "], ["1", "1", "60.7 "], [""]]
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