{"id":3457,"slug":"african-export-column-series-robustness","title":"Robustness of African artists’ Spotify export column, four collection dates (total_export_streams)","source":"Recomputed from african-export-column-series","source_url":"","source_type":"computed","method":"Sensitivity check on \"total_export_streams\" in the dataset african-export-column-series, 4 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":"streams","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":"2026-09-04 02:00:31","n":4,"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":4,"sum":1729240,"mean":432310,"top_share_pct":28.8,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (2026-08-30)","n":3,"sum":1231197,"mean":410399,"top_share_pct":36.96,"sum_change_pct":-28.8,"mean_change_pct":-5.07},{"scenario":"Excluding the top 3 (2026-08-30, 2026-08-13, 2026-08-28)","n":1,"sum":332224,"mean":332224,"top_share_pct":100,"sum_change_pct":-80.79,"mean_change_pct":-23.15}]}