{"id":7533,"slug":"african-chart-share-move-split-five-windows-2026-robustness","title":"Robustness of How much of the rise in African music&#8217;s Spotify chart share is African streams and how much is the charted pool shrinking, five measurement windows (denominator_contribution_pct)","source":"Recomputed from african-chart-share-move-split-five-windows-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"denominator_contribution_pct\" in the dataset african-chart-share-move-split-five-windows-2026, 5 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":"","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":"2026-10-17 19:46:49","n":5,"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":5,"sum":182,"mean":36.4,"top_share_pct":32.47,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (Means of the first 9 readings against the last 9)","n":4,"sum":122.9,"mean":30.725,"top_share_pct":35.07,"sum_change_pct":-32.47,"mean_change_pct":-15.59},{"scenario":"Excluding the top 3 (Means of the first 9 readings against the last 9, Means of u2026)","n":2,"sum":41.2,"mean":20.6,"top_share_pct":63.83,"sum_change_pct":-77.36,"mean_change_pct":-43.41}]}