{"id":4386,"slug":"african-chart-day-gross-by-market-13-september-2026-robustness","title":"Robustness of What a day of African chart streams is worth on Spotify, by market, 13 September 2026 (gross_usd)","source":"Recomputed from african-chart-day-gross-by-market-13-september-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"gross_usd\" in the dataset african-chart-day-gross-by-market-13-september-2026, 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":"usd","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":"2026-09-13 13:50:37","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":43520.8,"mean":5440.1,"top_share_pct":70.14,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (Nigeria)","n":7,"sum":12996.9,"mean":1856.7,"top_share_pct":55.17,"sum_change_pct":-70.14,"mean_change_pct":-65.87},{"scenario":"Excluding the top 3 (Nigeria, Egypt, Morocco)","n":5,"sum":3267.04,"mean":653.408,"top_share_pct":73.52,"sum_change_pct":-92.49,"mean_change_pct":-87.99},{"scenario":"Excluding the top 5 (Nigeria, Egypt, Morocco, South Africa, Saudi Arabia)","n":3,"sum":490.05,"mean":163.35,"top_share_pct":47.77,"sum_change_pct":-98.87,"mean_change_pct":-97}]}