{"id":7392,"slug":"south-africa-panel-presence-series-2026-robustness","title":"Robustness of South Africa’s seat count and streams on Spotify’s 50-artist African panel, ten dates, 28 August to 16 October 2026 (za_streams)","source":"Recomputed from south-africa-panel-presence-series-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"za_streams\" in the dataset south-africa-panel-presence-series-2026, 10 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":"mixed","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":"2026-10-16 02:04:25","n":10,"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":10,"sum":6875964,"mean":687596.4,"top_share_pct":17.3,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (2026-09-27)","n":9,"sum":5686584,"mean":631842.6667,"top_share_pct":18.12,"sum_change_pct":-17.3,"mean_change_pct":-8.11},{"scenario":"Excluding the top 3 (2026-09-27, 2026-10-05, 2026-10-12)","n":7,"sum":3661543,"mean":523077.5714,"top_share_pct":18.86,"sum_change_pct":-46.75,"mean_change_pct":-23.93},{"scenario":"Excluding the top 5 (2026-09-27, 2026-10-05, 2026-10-12, 2026-09-26, 2026-10-06)","n":5,"sum":2416081,"mean":483216.2,"top_share_pct":21.09,"sum_change_pct":-64.86,"mean_change_pct":-29.72}]}