{"id":6018,"slug":"african-home-column-date-level-robustness-13aug-28sep-2026","title":"Robustness of African chart streams on Spotify split into home and export, 31 collection dates, 13 August to 28 September 2026 (home_streams, date-level)","source":"Recomputed from african-chart-streams-home-versus-export-13aug-to-28sep-2026","source_url":"","source_type":"computed","method":"Sensitivity check on \"home_streams\" in the dataset african-chart-streams-home-versus-export-13aug-to-28sep-2026, 31 rows carrying a value. Rows sorted by that column, then the totals recomputed with the largest rows dropped one scenario at a time. sum_change_pct and mean_change_pct are each scenario against the full set. Reproduced via wp afw-data robust african-chart-streams-home-versus-export-13aug-to-28sep-2026 --col=home_streams and registered under this dedicated slug because the tool's default -robustness suffix collides with the export_streams robustness run already cited in a published post.","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":"medium","retrieved":"2026-09-29 01:46:50","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":31,"sum":540507678,"mean":17435731.5484,"top_share_pct":4.34,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (2026-09-20)","n":30,"sum":517055096,"mean":17235169.8667,"top_share_pct":4.07,"sum_change_pct":-4.34,"mean_change_pct":-1.15},{"scenario":"Excluding the top 3 (2026-09-20, 2026-09-21, 2026-09-28)","n":28,"sum":476776659,"mean":17027737.8214,"top_share_pct":4.03,"sum_change_pct":-11.79,"mean_change_pct":-2.34},{"scenario":"Excluding the top 5 (2026-09-20, 2026-09-21, 2026-09-28, 2026-09-26, 2026-09-25)","n":26,"sum":438355751,"mean":16859836.5769,"top_share_pct":4.38,"sum_change_pct":-18.9,"mean_change_pct":-3.3}]}