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Given a csv file with the following contents 20180701, A 20180702, A, B 20180703, A, B, C 20180704, B, C 20180705, C I would like to transform the underlying data into a dataframe such as date, A, B, C 20180701, True, False, False 20180702, True, True, False 20180703, True, True, True 20180704, False, True, True 20180705, False, False, True the idea is that the first field in each line of the csv is the row index of the dataframe. The subsequent fields will be its column names and the values in the dataframe tell whether that element is present or not in the line. Is there a name for this transformation? Any existing code/library that can transform data back and forth between the two formats? I can write one myself if there is none but trying to avoid reinventing the wheel if possible. thanks in advance raju -- Kamaraju S Kusumanchi | http://raju.shoutwiki.com/wiki/Blog

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