initial_df = pd.DataFrame({'ID': [1, 2],
'Affiliation': ['University 1, University 2, University 3', 'University 3, University 4']}) # here should be your initial DataFrame
processed_df = (pd.get_dummies(initial_df.Affilation.apply(lambda x: x.split(', '))
.apply(pd.Series)
.stack()).sum(level=0)
.assign(ID=initial_df['ID']))
您可以使用以下代码片段来解决您的任务:
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