Why does the home_panel_summary have fewer devices than it did pre-backfill?

  • According to December-2020 Release Notes
  • (“home_panel_summary.csv”) in Weekly Patterns and Monthly patterns now only includes those devices whose homes are eligible to be counted in the visitor_home_cbgs column.
  • See here for methodology on calculating homes
  • In the past, the counts in the Home Panel Summary included any device which had at least one visit during the given time period and for which we had identified a primary nighttime geohash with any degree of confidence.
  • With this change, we are aligning our requirements for the visitor_home_cbgs column with the Home Panel Summary. This means the counts in the Home Panel Summary will be lower than they had been in the past but the Home Panel Summary