{"id":3760,"slug":"south-africa-chart-african-stream-change-by-artist-aug-sep-2026-robustness","title":"Robustness of Where South Africa’s Spotify chart increase in African streams came from, 13 August to 7 September 2026 (gain_streams)","source":"Recomputed from south-africa-chart-african-stream-change-by-artist-aug-sep-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"gain_streams\" in the dataset south-africa-chart-african-stream-change-by-artist-aug-sep-2026, 27 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":"2026-09-10 19:42:12","n":27,"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":27,"sum":694698,"mean":25729.5556,"top_share_pct":11.17,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (Kabza De Small)","n":26,"sum":617105,"mean":23734.8077,"top_share_pct":11.92,"sum_change_pct":-11.17,"mean_change_pct":-7.75},{"scenario":"Excluding the top 3 (Kabza De Small, Tman Xpress, Dlala Thukzin)","n":24,"sum":481898,"mean":20079.0833,"top_share_pct":12.57,"sum_change_pct":-30.63,"mean_change_pct":-21.96},{"scenario":"Excluding the top 5 (Kabza De Small, Tman Xpress, Dlala Thukzin, DJ Zinhle, MaWhu2026)","n":22,"sum":380682,"mean":17303.7273,"top_share_pct":10.1,"sum_change_pct":-45.2,"mean_change_pct":-32.75}]}