Templates
Template library
Excel workbooks and checklists with working formulas — built by a statistician, ready to use. Free downloads need no checkout; premium bundles are delivered via Gumroad.
Free download
Sample-size worksheet
Excel workbook: two-proportion sample size with working formulas, dropout adjustment included.
Download → Free downloadInvestor stats cheat sheet
Two-page PDF: expected value, Kelly, Sharpe, sample size, p-value interpretation.
Download → PremiumStatistics for Investors bundle
DCF model + portfolio tracker + earnings-season calendar. Delivered via Gumroad.
View → PremiumSPSS/R analysis checklist
Analysis checklists + reporting templates for SPSS and R users. Delivered via Gumroad.
View →The Investor Stats Cheat Sheet
A free two-page PDF: expected value, Kelly sizing, Sharpe, sample-size math, and how to read a p-value without fooling yourself. Plus new tools as they ship.