error bound

  1. S

    ROI Error

    Hi, I am trying to calculate the errors for my ROI figure from targeted marketing campaigns. At the end of a campaign I have the amounts spent by the targeted customers as well as the control group. I have also been developing a Bayesian hierarchical model into which I can feed in all the spend...
  2. A

    Upper Bound Error for Expectation Approximation?

    Dear all, I have a problem for the past few weeks and couldn't find the answer in the books or in the internet. I know that in general: E(g(X1, X2, ...)) is not equal to g(E(x1), E(X2) ,...) where E() is the expectation operator and g() is a function. For example E(XY) is not equal to...