回答編集履歴
2
追記
test
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@@ -49,3 +49,107 @@
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[Pythonのif文による条件分岐の書き方](https://note.nkmk.me/python-if-elif-else/)
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---
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【追記】
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手元で試した結果を追記します。こちらでは問題なさそうです。
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```Python
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import pandas as pd
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meal = pd.DataFrame({'meal_id':['1558','1778','1109','1885','1000','2581','1962','2290','2539','2707','1993','2664']})
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print(meal)
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# meal_id
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#0 1558
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#1 1778
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#2 1109
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#3 1885
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#4 1000
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#5 2581
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#6 1962
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#7 2290
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#8 2539
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#9 2707
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#10 1993
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#11 2664
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def meal_cluster(x):
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if x["meal_id"] == "1558" or x["meal_id"] == "2581" or x["meal_id"] == "2707":
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res = 1
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elif x["meal_id"] == "1778" or x["meal_id"] == "1962" or x["meal_id"] == "1993":
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res = 2
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elif x["meal_id"] == "1109" or x["meal_id"] == "2290" or x["meal_id"] == "2664":
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res = 3
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elif x["meal_id"] == "1885" or x["meal_id"] == "2539":
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res = 4
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else:
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res = 5
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return res
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meal["meal_cluster"] = meal.apply(meal_cluster, axis=1)
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print(meal)
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# meal_id meal_cluster
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#0 1558 1
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#1 1778 2
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#2 1109 3
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#3 1885 4
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#4 1000 5
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#5 2581 1
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#6 1962 2
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#7 2290 3
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#8 2539 4
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#9 2707 1
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#10 1993 2
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#11 2664 3
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```
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1
訂正
test
CHANGED
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@@ -42,7 +42,7 @@
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-
条件式を修正した場合でも、elifを使用しないとresが4と5のみになってしま
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条件式を修正した場合でも、elifを使用しないとresが4と5のみになってしまいます。
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ifの使い方と条件式の書き方を学びましょう。
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