Experimentation, Bayesian Statistics, Engineering, Data Science, Ab Testing.
lift l₁= ( b₁- a₁) / a₁ Repeat the above 3 steps thousands of times, generating samples l₁, l₂, l₃ … , which represent samples from the estimated posterior distribution of relative lift of B over A WISE uses Numpy arrays to parallelize the above operations. WISE then evaluates the 90% highest