After Aonishiki’s three straight losses.
The night after the September tournament, Shi…
Update and Correction Log for Sumo Win-Rate Data
Do not update only the displayed decimal. Pre…
How to Calculate Sumo Win Rates with Honest Denominators
Start with wins divided by wins plus losses, …
Bias Traps in Comparing Sumo Win Rates
There is no single denominator for every ques…
Update and Correction Log for Sumo Rank-Tenure Data
Recalculate tenure from one preserved banzuke…
How to Count Sumo Rank Tenure: Consecutive and Career Total
Count rank tenure from one official banzuke r…
Bias Traps in Comparing Sumo Rank Tenure
Separate consecutive tenure, career-total ten…
Update and Correction Log for Sumo Promotion-Speed Data
Do not store only a final tournament count. P…
How to Measure Promotion Speed in Sumo Across Different Entry Routes
Report both the number of actual tournaments …
Bias Traps in Comparing Sumo Promotion Speed
Compare tournaments from professional debut t…