{"id":4963,"slug":"home-chart-entry-threshold-share-of-volume-30-august-2026-robustness","title":"Robustness of Chart-200 entry threshold as a share of each home chart&#8217;s own volume, 30 August 2026 (entry_streams_per_million_charted)","source":"Recomputed from home-chart-entry-threshold-share-of-volume-30-august-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"entry_streams_per_million_charted\" in the dataset home-chart-entry-threshold-share-of-volume-30-august-2026, 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 per million charted","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":"2026-09-18 13:47:29","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":10007.3,"mean":2501.825,"top_share_pct":26.92,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (South Africa)","n":3,"sum":7313.3,"mean":2437.7667,"top_share_pct":34.82,"sum_change_pct":-26.92,"mean_change_pct":-2.56},{"scenario":"Excluding the top 3 (South Africa, Egypt, Morocco)","n":1,"sum":2359.3,"mean":2359.3,"top_share_pct":100,"sum_change_pct":-76.42,"mean_change_pct":-5.7}]}