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irspack's Issues

AttributeError: 'DataFrame' object has no attribute 'ndcg'

Thank you for building this great project.

I found a AttributeError: 'DataFrame' object has no attribute 'ndcg'. Could you give some hint for this. Maybe the version caused such an issue.

[I 2021-04-15 22:32:57,587] Trial 19 finished with value: -0.1701716280
513936 and parameters: {'top_k': 15, 'normalize_weight': True}. Best is trial 13
 with value: -0.38695462976440437.
>>>
>>> # maximal ndcg around 0.38 ~ 0.39
>>> trial_dfs.ndcg.max()
Traceback (most recent call last):
  File "<input>", line 1, in <module>
    trial_dfs.ndcg.max()
  File "/opt/anaconda3/lib/python3.7/site-packages/pandas/core/generic.py", line
 5460, in __getattr__
    return object.__getattribute__(self, name)
AttributeError: 'DataFrame' object has no attribute 'ndcg'

Add more examples

Our examples are limited to Movielens (because it's handy), but it is clearly not the most "typical" implicit feedback data.
We clearly need more examples with

  • different datasets
  • reproducing recent papers

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