Update DeepFeatureSynthesis to support multiple paths #600
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For entitysets with multiple paths between two entities DFS will now create features through all paths. Entitysets with cycles in the directed graph are not supported. - Use feature.unique_name instead of hash in dicts - Change EntitySet.get_backward_entities to yield paths.
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Codecov Report
@@ Coverage Diff @@
## master #600 +/- ##
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- Coverage 97.27% 97.11% -0.16%
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Files 118 118
Lines 9589 9545 -44
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- Hits 9328 9270 -58
- Misses 261 275 +14
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kmax12
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Jun 18, 2019
Previously was always doing a deep search.
- Add RelationshipPath.entities - Change EntitySet.get_forward_entities to yield entity_ids and paths.
kmax12
suggested changes
Jun 18, 2019
This was not exposed in the dfs method so it always used the default value of 2, it was undocumented, and it was unclear if it provided any value. Also remove EntitySet.find_path as it is no longer used.
This condition can never be True because it were True then the condition in _run_dfs would have been True and would have returned.
kmax12
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Jun 19, 2019
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Jul 7, 2019
For entitysets with multiple paths between two entities DFS will now create features through all paths. Entitysets with cycles in the directed graph are not supported. - Use feature.unique_name instead of hash in dicts - Change EntitySet.get_backward_entities and get_forward_entities to yield paths. - Add RelationshipPath which represents a directed path through relationships. - Add RelationshipPath.entities - Warn if dfs produces a feature multiple times - Remove max_hlevel from DFS (alteryx#608). - Remove EntitySet.find_path
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For entitysets with multiple paths between two entities DFS will now
create features through all paths. Entitysets with cycles in the
directed graph are not supported.
Once #572 is merged the base branch should be changed to master.