Merge pull request #126 from krivard/feature/drop-minimum-sample-size

Remove minimum sample size requirement.

Author: krivard

src/acquisition/covidcast/csv_importer.py

@@ -29,10 +29,6 @@ class CsvImporter:
   MIN_YEAR = 2019
   MAX_YEAR = 2030
 
-  # reasonable lower bound for sanity checking sample size (if sample size is
-  # present, then, for privacy, it should definitely be larger than this value)
-  MIN_SAMPLE_SIZE = 5
-
   # NOTE: this should be a Python 3.7+ `dataclass`, but the server is on 3.4
   # See https://docs.python.org/3/library/dataclasses.html
   class RowValues:
@@ -229,8 +225,6 @@ def extract_and_check_row(row, geo_type):
     except ValueError:
       # expected a number, but got a string
       return (None, 'sample_size')
-    if sample_size is not None and sample_size < CsvImporter.MIN_SAMPLE_SIZE:
-      return (None, 'sample_size')
 
     # return extracted and validated row values
     row_values = CsvImporter.RowValues(geo_id, value, stderr, sample_size)