Created
June 1, 2019 04:53
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| # get list of unique user ids | |
| users = sorted(list(set(ratings[user_col].values))) | |
| # get list of unique item ids | |
| items = sorted(list(set(ratings[item_col].values))) | |
| # generate dict of correponding indexes for the user ids | |
| user2idx = list_2_dict(users) | |
| # generate dict of correponding indexes for the item ids | |
| item2idx = list_2_dict(items) |
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