Comments (4)
I modified the code based on tensorflow 2.0, and now there are no other problems.
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Hello, I have encountered the same question as you. Have you solved it?
from irl-imitation.
Hello there,
please refer to my fork of this repository, which not only fixes that but also implements highly efficient methods for calculating the state visitation frequency, in tf but also vectorized using numpy. The code in this repository is completely unusable when you need more states than the 5 by 5 example grid ;D
The trick to fix the bug is essentially to take the average over timestamps. This is not mentioned anywhere except this video: https://youtu.be/d9DlQSJQAoI?t=973 (watch for a minute or so then Chelsea mentions that the calculation is missing an average).
See this note of mine as well:
https://github.com/magnusja/irl-imitation/blob/master/deep_maxent_irl.py#L340-L348
Let me know if you have further questions.
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from irl-imitation.
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