An October order can have a November ending
I explain why an order cohort and a calendar of return events answer different retail questions, and how to preserve both without making the data view an accounting policy.
Read the essayThe leadership journal
The account becomes more useful when its limits remain part of the argument.
A missing stock observation is not a quiet day on the shelf
I examine the difference between absent stock evidence and recorded zero sales, keeping a retail pilot from becoming a claim about demand it never observed.
Read the essayThe catalogue contains choices the visitor was never shown
I consider why observed interactions depend on prior product exposure, and why an offline recommendation review must not turn unobserved choices into a universal account of preference.
Read the essay