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Alt col name bug fix for option to handle larger dataset for location models #798

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merged 2 commits into from
Feb 13, 2024
Merged

Alt col name bug fix for option to handle larger dataset for location models #798

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1af9c34
make coding for chunking for generic for other location models
bwentl Feb 12, 2024
0f1e312
Merge branch 'location_estimation_patch_main' of https://github.com/T…
bwentl Feb 12, 2024
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7 changes: 4 additions & 3 deletions activitysim/estimation/larch/location_choice.py
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Original file line number Diff line number Diff line change
Expand Up @@ -208,12 +208,13 @@ def split(a, n):
time_start = datetime.now()
# calculate num_chunks based on chunking_size (or max number of rows per chunk)
num_chunks = int(len(alt_values) / chunking_size)
all_person_ids = list(alt_values["person_id"].unique())
split_ids = list(split(all_person_ids, num_chunks))
id_col_name = alt_values.columns[0]
all_ids = list(alt_values[id_col_name].unique())
split_ids = list(split(all_ids, num_chunks))
x_ca_list = []
i = 0
for chunk_ids in split_ids:
alt_values_i = alt_values[alt_values["person_id"].isin(chunk_ids)]
alt_values_i = alt_values[alt_values[id_col_name].isin(chunk_ids)]
x_ca_i = cv_to_ca(
alt_values_i.set_index([chooser_index_name, alt_values_i.columns[1]])
)
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