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fix fss node not returning T/F and not handling cases with only one f… #1368

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fix fss node not returning T/F and not handling cases with only one f… #1368

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13 changes: 10 additions & 3 deletions tpot/search_spaces/nodes/fss_node.py
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Original file line number Diff line number Diff line change
Expand Up @@ -109,14 +109,21 @@ def __init__( self,
def mutate(self, rng=None):
rng = np.random.default_rng(rng)
#get list of names not including the current one
names = [name for name in self.names_list if name != self.selected_subset_name]
self.selected_subset_name = rng.choice(names)
self.sel_subset = self.subset_dict[self.selected_subset_name]
if len(self.names_list)>1:
names = [name for name in self.names_list if name != self.selected_subset_name]
self.selected_subset_name = rng.choice(names)
self.sel_subset = self.subset_dict[self.selected_subset_name]
return True
else:
return False


def crossover(self, other, rng=None):
if self.selected_subset_name == other.selected_subset_name:
return False
self.selected_subset_name = other.selected_subset_name
self.sel_subset = other.sel_subset
return True

def export_pipeline(self, **kwargs):
return FeatureSetSelector(sel_subset=self.sel_subset, name=self.selected_subset_name)
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