How to Calculate Kimarite Shares with the Right Bout Denominator
Calculate a kimarite share as the number of w…
Bias Traps in Comparing Sumo Kimarite Shares
Use bouts contested on the dohyo as the main …
Update and Correction Log for Sumo Height and Weight Data
Do not replace every former measurement with …
How to Compare Sumo Height and Weight Without Mixing Measurement Dates
Store the retrieval date with every height an…
Bias Traps in Comparing Sumo Height and Weight
Do not apply a wrestler’s current profi…
Update and Correction Log for East–West Banzuke Data
Freeze the official banzuke for each tourname…
How to Measure East–West Differences in Sumo Without Confusing Rank and Screen Position
Keep banzuke side separate from the left or r…
Bias Traps in Comparing East and West on the Sumo Banzuke
Compare east and west only after matching the…
Updating Day-by-Day Results: The 50% Win-Rate Trap
Before asking whether sumo improves late in a…
How to Compare Daily Sumo Results Without Treating Every Day as the Same Sample
To compare opening-day and final-day results,…