{"id":9828,"slug":"spotify-african-chart-consecutive-day-duplication-rate-robustness","title":"Robustness of Consecutive-day duplication rate on Spotify’s four published African charts, 13 August to 10 November 2026 (identical_pairs)","source":"Recomputed from spotify-african-chart-consecutive-day-duplication-rate","source_url":"","source_type":"computed","method":"Sensitivity check on \"identical_pairs\" in the dataset spotify-african-chart-consecutive-day-duplication-rate, 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":"pct","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":"high","retrieved":"2026-11-11 02:12:40","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":6,"mean":1.5,"top_share_pct":33.33,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (Morocco)","n":3,"sum":4,"mean":1.3333,"top_share_pct":50,"sum_change_pct":-33.33,"mean_change_pct":-11.11},{"scenario":"Excluding the top 3 (Morocco, Nigeria, Egypt)","n":1,"sum":1,"mean":1,"top_share_pct":100,"sum_change_pct":-83.33,"mean_change_pct":-33.33}]}