See further details in the Data Dictionary:
Methodology notes:
• GPS data is approximated to the total population using available Census data.
• LRS is measured using
the distance decay function. Data sources:
• Visitation is assessed using GPS mobile phone data from Cuebiq (Spectus), enriched with additional proprietary and public domain GPS and Census data.
• Business numbers are measured using OpenStreetMap and Google data.
• Travel time is assessed using OpenStreetMap and Google data.
Metrics:
• Visitation — number of unique visitors in a geographic unit per month, shown in absolute numbers.
• Visitation Score — number of unique visitors in a geographic unit per month, shown as a 0-100 score where 100 is the highest number.
• Business number — number of open businesses in a geographic unit per month, shown in absolute numbers.
• Business diversity — number of open business categories in a geographic unit per month, shown in absolute numbers.
• Business Score — number of open businesses in a geographic unit per month and business categories, shown as a 0-100 score where 100 is the highest number.
• Centrality Level — a combination of Visitation, Business number and Business diversity in a geographic unit per month, shown in absolute numbers.
• Location Resilience Score (LRS) — a combination of Visitation, Business number and Business diversity in a geographic unit per month, shown as a 0-100 score where 100 is the highest number.
Temporal units:
• 2019-2020-2021-2022, average month comparisons.
• % Recovery — comparison between 2019 and selected year in %.
• Growth — comparison between selected years in absolute numbers.
Geographic units:
• Midtown — analyzed in the boundaries between 27-25th St and 59th St, comparative to the definitions of JLL, CBRE, Cushman & Wakefield.
• Street block / Block — 463 units within Midtown, bounded by street and avenue intersections.
• Commute area / Travel time area / Region — area defined by a certain travel time to/from a block (20 min - 40 min - 60 min - 120 min). Defined at rush hours when transit is more frequent.
• Grid cell / Location — regular units within the region, sized 230x230m.