Discussions

Hello,

We are writing to flag some potential data quality issues we recently encountered while analyzing the Advan Weekly Patterns dataset. Specifically, we have observed unrealistic visitor counts for certain POIs. For example:

• POI: New Saint John the Baptist Cemetery (Placekey: zzy-222@5s8-bk3-f9f )
• Issue: For the week of 2020-07-13, the Advan Weekly Patterns shows raw_visitor_counts of 100,877.
• Comparison: The corresponding raw_visitor_counts in the original Safegraph data was 0.

We also investigated whether this pattern existed in the Advan Weekly Patterns Plus dataset, but this specific POI does not appear to exist there.

Questions:

• Given the discrepancies, do you have a suggestion on which dataset to use: Advan Weekly Patterns or Advan Weekly Patterns Plus?
• Is there a crosswalk or mapping available to compare the keys ID_STORE (from Weekly Patterns Plus) and placekey (from Weekly Patterns)?

Thank you!