{"id":774,"slug":"african-export-footprint-robustness","title":"Robustness of Every African artist charting outside Africa, 2026-08-13 (export_streams)","source":"Recomputed from african-export-footprint","source_url":"","source_type":"computed","method":"Sensitivity check on \"export_streams\" in the dataset african-export-footprint, 12 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":"","license":"Chart figures via kworb.net; origin data from MusicBrainz (CC0)","confidence":"medium","retrieved":"2026-08-14 23:18:25","n":12,"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":12,"sum":455051,"mean":37920.9167,"top_share_pct":25.94,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (DopeNation)","n":11,"sum":337001,"mean":30636.4545,"top_share_pct":32.93,"sum_change_pct":-25.94,"mean_change_pct":-19.21},{"scenario":"Excluding the top 3 (DopeNation, Calema, Soolking)","n":9,"sum":154261,"mean":17140.1111,"top_share_pct":34.84,"sum_change_pct":-66.1,"mean_change_pct":-54.8},{"scenario":"Excluding the top 5 (DopeNation, Calema, Soolking, Anselmo Ralph, Shimza)","n":7,"sum":70889,"mean":10127,"top_share_pct":38.95,"sum_change_pct":-84.42,"mean_change_pct":-73.29}]}