def population_generator():
# households_data_dirty, person_data_dirty = load_household_and_population_dfs()
safe_mkdir(OUTPUT_DIR)
pumas_to_go = set(sorted(puma_df_clean.values.tolist()))
total_pumas = len(pumas_to_go)
completed = []
for puma in puma_df_clean:
gen_puma = 'state_{}_puma_{}_households.csv'.format(STATE, puma)
if gen_puma in os.listdir(OUTPUT_DIR):
completed.append(puma)
pumas_to_go.remove(puma)
print("Already completed {} of {} pumas: {}".format(
len(completed), total_pumas, ",".join(sorted(completed))))
print("{} pumas remaining: {}".format(len(pumas_to_go),
",".join(sorted(pumas_to_go))))
puma_tract_mappings = 'input/sample_data/2010_puma_tract_mapping.txt'
configuration = Configuration.from_file('input/sample_data/config.json')
preprocessor = Preprocessor.from_config(configuration.preprocessing_config)
households_raw_data = PumsData.from_csv(
'output/{}/household_pums_data.csv'.format(AOI_NAME))
persons_raw_data = PumsData.from_csv(
'output/{}/person_pums_data.csv'.format(AOI_NAME))
results = [
_generate_for_puma_data(households_raw_data, persons_raw_data,
preprocessor, puma_tract_mappings, puma_id)
for puma_id in pumas_to_go
]
sum(results)
def test_binning_generator(self):
bins = [0, 20000, 40000, 60000]
config = {'test_input': {'bins': bins}}
preprocessor = Preprocessor.from_config(config)
preprocess = preprocessor.input_to_preprocessor['test_input']
self.assertEqual(preprocess(0), '<=0')
self.assertEqual(preprocess(10000), '0-20000')
self.assertEqual(preprocess(100000), '60000+')
def population_generator():
# households_data_dirty, person_data_dirty = load_household_and_population_dfs()
pumas_to_go = set(puma_df_clean.values.tolist())
for puma in puma_df_clean:
gen_puma = 'state_{}_puma_{}_households.csv'.format(STATE, puma)
if gen_puma in os.listdir(output_dir):
print(puma)
pumas_to_go.remove(puma)
puma_tract_mappings = 'input/2010_puma_tract_mapping.txt'
configuration = Configuration.from_file('input/config.json')
preprocessor = Preprocessor.from_config(configuration.preprocessing_config)
for puma_id in pumas_to_go:
households_data = PumsData.from_csv('input/{}_household_pums_data.csv'.format(AOI_NAME)).clean(household_fields,
preprocessor,
state=str(
int(STATE)),
puma=str(int(
puma_id)))
persons_data = PumsData.from_csv('input/{}_person_pums_data.csv'.format(AOI_NAME)).clean(persons_fields,
preprocessor,
state=str(int(STATE)),
puma=str(int(puma_id)))
person_segmenter = lambda x: None
household_segmenter = lambda x: None
print("loaded")
household_model, person_model = create_bayes_net(
STATE, puma_id, output_dir,
households_data, persons_data, configuration,
person_segmenter, household_segmenter
)
marginals, allocator = download_tract_data(
STATE, puma_id, output_dir, census_api_key, puma_tract_mappings,
households_data, persons_data
)
print('Allocated {}'.format(puma_id))
population = generate_synthetic_people_and_households(
STATE, puma_id, output_dir, allocator,
person_model, household_model
)
print('Generated {}'.format(puma_id))
accuracy = Accuracy.from_doppelganger(
cleaned_data_persons=persons_data,
cleaned_data_households=households_data,
marginal_data=marginals,
population=population
)
logging.info('Absolute Percent Error for state {}, and puma {}: {}'.format(STATE, puma_id,
accuracy.absolute_pct_error().mean()))
_combine_and_synthesize()
def fetch_pums_data(state_id, puma_id, configuration, db_host, db_database,
db_schema, db_user, db_password):
'''Download PUMS data from pums tables stored in a database
Args:
state_id: 2-digit state fips code
puma_id: 5-digit puma code
configuration: contains person and household fields, along with how to instruct the
preprocessor to discretize the fields
db_host: hostname of the POSTGRESQL instance to connect to
db_database: database name to connect to
db_schema: schema which _must_ contain a person and household table with pums fields
referenced in doppelganger/inputs.py
db_user: username to connect with
db_password: password to authenticate to the database
Returns:
person_data: a PumsData wrapped dataframe whose fields have been mapped according to
inputs.py
households_data: same as person_data but for households
'''
preprocessor = Preprocessor.from_config(configuration.preprocessing_config)
# Union default and extra fields
person_fields = link_fields_to_inputs(configuration.person_fields)
person_fields = allocation.DEFAULT_PERSON_FIELDS.union(person_fields)
person_fieldnames = tuple(set(p.name for p in person_fields))
household_fields = link_fields_to_inputs(configuration.household_fields)
household_fields = allocation.DEFAULT_HOUSEHOLD_FIELDS.union(
household_fields)
household_fieldnames = tuple(set(hh.name for hh in household_fields))
puma_conn = None
try:
puma_conn = psycopg2.connect(
host=db_host,
database=db_database,
user=db_user,
password=db_password,
)
households_data = datasource.PumsData.from_database(
conn=puma_conn,
state_id=state_id,
puma_id=puma_id,
schema_name=db_schema,
table_name=HOUSEHOLD_TABLE,
fields=household_fields).clean(field_names=household_fieldnames,
preprocessor=preprocessor,
state=state_id,
puma=puma_id)
persons_data = datasource.PumsData.from_database(
conn=puma_conn,
state_id=state_id,
puma_id=puma_id,
schema_name=db_schema,
table_name=PERSONS_TABLE,
fields=person_fields).clean(field_names=person_fieldnames,
preprocessor=preprocessor,
state=state_id,
puma=puma_id)
except psycopg2.DatabaseError as error:
print(error)
finally:
if puma_conn is not None:
puma_conn.close()
print('Database connection closed.')
return households_data, persons_data