{"metadata":{"id":"daily-practice-volume","title":"Average daily speedcubing practice volume","question":"How many solves do speedcubers practise per active day?","source":"SupaKewber practice data","sample_unit":"active user-days","definition":"An active day is a calendar date on which a user records at least one valid solve in a timer mode. Practice volume is valid solves per active user-day.","methodology":"Solves are first grouped by user, local server date and timing mode; the distribution of those user-day totals is then summarized by mode.","inclusion_rules":["Only completed 3\u00d73 solves between 3.00 and 120.00 seconds are included.","DNFs, +2 penalties, deleted solves and structurally invalid stage timestamps are excluded.","No username, solve ID, scramble, move sequence or individual result is published."],"exclusion_rules":["Calendar days with no recorded solves","Mode cells below 20 users or 100 active user-days"],"privacy_rule":"Public SupaKewber cells require at least 20 distinct users and 100 observations unless the dataset contains no account identifier, in which case at least 100 observations are required.","last_updated":"2026-10-09","stable_page_url":"https:\/\/supakewber.com\/research\/daily-practice-volume\/","json_url":"https:\/\/supakewber.com\/speedcubing-data\/downloads\/daily-practice-volume.json","csv_url":"https:\/\/supakewber.com\/speedcubing-data\/downloads\/daily-practice-volume.csv","publication_status":"collecting","sample_size":null,"contributing_users":null,"date_range":null,"threshold_message":"This dataset is collecting observations and will publish automatically after its privacy and stability threshold is reached."},"data":[]}