{"id":7174,"slug":"belgium-african-presence-19sep-11oct-2026-robustness","title":"Robustness of African-origin presence on Spotify’s Belgium daily chart, 19 September to 11 October 2026 (be_african_streams)","source":"Recomputed from belgium-african-presence-19sep-11oct-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"be_african_streams\" in the dataset belgium-african-presence-19sep-11oct-2026, 20 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":"high","retrieved":"2026-10-11 19:52:06","n":20,"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":20,"sum":12143,"mean":607.15,"top_share_pct":100,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (2026-10-11)","n":19,"sum":0,"mean":0,"top_share_pct":0,"sum_change_pct":-100,"mean_change_pct":-100},{"scenario":"Excluding the top 3 (2026-10-11, 2026-09-19, 2026-09-20)","n":17,"sum":0,"mean":0,"top_share_pct":0,"sum_change_pct":-100,"mean_change_pct":-100},{"scenario":"Excluding the top 5 (2026-10-11, 2026-09-19, 2026-09-20, 2026-09-21, 2026-09-22)","n":15,"sum":0,"mean":0,"top_share_pct":0,"sum_change_pct":-100,"mean_change_pct":-100}]}