{"id":3772,"slug":"south-africa-chart-african-stream-change-by-artist-mondays-2026-robustness","title":"Robustness of Where the change in African chart streams on South Africa’s Spotify Top 200 came from, Monday 17 August to Monday 7 September 2026 (gain_streams)","source":"Recomputed from south-africa-chart-african-stream-change-by-artist-mondays-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"gain_streams\" in the dataset south-africa-chart-african-stream-change-by-artist-mondays-2026, 25 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":"2026-09-07 02:15:28","n":25,"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":25,"sum":296602,"mean":11864.08,"top_share_pct":7.76,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (Mlindo The Vocalist)","n":24,"sum":273575,"mean":11398.9583,"top_share_pct":7.91,"sum_change_pct":-7.76,"mean_change_pct":-3.92},{"scenario":"Excluding the top 3 (Mlindo The Vocalist, Riky Rick, Mordecai)","n":22,"sum":233366,"mean":10607.5455,"top_share_pct":7.95,"sum_change_pct":-21.32,"mean_change_pct":-10.59},{"scenario":"Excluding the top 5 (Mlindo The Vocalist, Riky Rick, Mordecai, Tems, Samthing Sou2026)","n":20,"sum":196272,"mean":9813.6,"top_share_pct":9.33,"sum_change_pct":-33.83,"mean_change_pct":-17.28}]}