{"id":9005,"slug":"apple-chart-surface-market-breadth-20plus-2026-robustness","title":"Robustness of Artists charting in 20 or more of 41 African markets on Apple Music, music-videos chart versus songs chart, 16 August to 3 November 2026 (video_markets)","source":"Recomputed from apple-chart-surface-market-breadth-20plus-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"video_markets\" in the dataset apple-chart-surface-market-breadth-20plus-2026, 215 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 01:46:21","n":215,"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":215,"sum":5845,"mean":27.186,"top_share_pct":0.68,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (taylor swift)","n":214,"sum":5805,"mean":27.1262,"top_share_pct":0.67,"sum_change_pct":-0.68,"mean_change_pct":-0.22},{"scenario":"Excluding the top 3 (taylor swift, olivia rodrigo, shakira)","n":212,"sum":5727,"mean":27.0142,"top_share_pct":0.66,"sum_change_pct":-2.02,"mean_change_pct":-0.63},{"scenario":"Excluding the top 5 (taylor swift, olivia rodrigo, shakira, lady gaga, ariana gr\u2026)","n":210,"sum":5651,"mean":26.9095,"top_share_pct":0.67,"sum_change_pct":-3.32,"mean_change_pct":-1.02}]}