Normality Plugin Link

TRANSFORMATION SUGGESTION: → Box–Cox (λ=0.22) recommended Post‑transformation Shapiro–Wilk: W=0.99, p=0.31 → NORMAL

CODE (Python): from scipy.stats import boxcox df['sales_revenue_norm'] = boxcox(df['sales_revenue'], lmbda=0.22) normality plugin

DIAGNOSTICS: Skewness: 2.34 (high positive skew) Kurtosis: 6.78 (leptokurtic – heavy tails) TRANSFORMATION SUGGESTION: → Box–Cox (λ=0