{"id":9004,"slug":"apple-songs-vs-video-artist-overlap-41-african-markets-2026-robustness","title":"Robustness of Apple Music songs chart versus music-videos chart, artist overlap in 41 African markets, 16 August to 3 November 2026 (video_only_slots)","source":"Recomputed from apple-songs-vs-video-artist-overlap-41-african-markets-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"video_only_slots\" in the dataset apple-songs-vs-video-artist-overlap-41-african-markets-2026, 41 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":"count","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":"high","retrieved":"2026-11-04 01:46:19","n":41,"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":41,"sum":127892,"mean":3119.3171,"top_share_pct":3.67,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (Libya)","n":40,"sum":123194,"mean":3079.85,"top_share_pct":3.66,"sum_change_pct":-3.67,"mean_change_pct":-1.27},{"scenario":"Excluding the top 3 (Libya, Gabon, Chad)","n":38,"sum":114676,"mean":3017.7895,"top_share_pct":3.38,"sum_change_pct":-10.33,"mean_change_pct":-3.25},{"scenario":"Excluding the top 5 (Libya, Gabon, Chad, Congo, Rep., Algeria)","n":36,"sum":106947,"mean":2970.75,"top_share_pct":3.56,"sum_change_pct":-16.38,"mean_change_pct":-4.76}]}