{"id":2706,"slug":"spotify-african-market-absence-series-robustness","title":"Robustness of Spotify markets carrying zero African-origin artist, eight collection dates (absent_markets)","source":"Recomputed from spotify-african-market-absence-series","source_url":"","source_type":"computed","method":"Sensitivity check on \"absent_markets\" in the dataset spotify-african-market-absence-series, 8 rows carrying a value. Rows sorted by that column, then the totals recomputed with the largest rows dropped one scenario at a time, and again with named rows excluded. sum_change_pct and mean_change_pct are each scenario against the full set. A finding that moves sharply when a single row leaves is a finding about that row.","unit":"markets","license":"Afrobeats Wire's compilation and analysis are licensed CC BY 4.0. Rights in the underlying source data remain with the source named above.","confidence":"medium","retrieved":"2026-08-27 20:13:29","n":8,"first_party":0,"columns":[{"key":"scenario","label":"Scenario","type":"text"},{"key":"n","label":"Rows","type":"number"},{"key":"sum","label":"Total","type":"number"},{"key":"mean","label":"Mean","type":"number"},{"key":"top_share_pct","label":"Largest row share, %","type":"number"},{"key":"sum_change_pct","label":"Change in total, %","type":"number"},{"key":"mean_change_pct","label":"Change in mean, %","type":"number"}],"rows":[{"scenario":"All rows","n":8,"sum":513,"mean":64.125,"top_share_pct":12.87,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (2026-08-25)","n":7,"sum":447,"mean":63.8571,"top_share_pct":14.54,"sum_change_pct":-12.87,"mean_change_pct":-0.42},{"scenario":"Excluding the top 3 (2026-08-25, 2026-08-27, 2026-08-17)","n":5,"sum":318,"mean":63.6,"top_share_pct":20.13,"sum_change_pct":-38.01,"mean_change_pct":-0.82},{"scenario":"Excluding the top 5 (2026-08-25, 2026-08-27, 2026-08-17, 2026-08-20, 2026-08-21)","n":3,"sum":190,"mean":63.3333,"top_share_pct":33.68,"sum_change_pct":-62.96,"mean_change_pct":-1.23}]}