Post hoc

Post hoc (sometimes written as post-hoc) is a Latin phrase, meaning "after this" or "after the event".

Post hoc may refer to:
 * Post hoc analysis or post hoc test, statistical analyses that were not specified before the data were seen
 * Post hoc theorizing, generating hypotheses based on data already observed
 * Post hoc ergo propter hoc (after this, therefore because of this), a logical fallacy of causation
 * "Post Hoc, Ergo Propter Hoc" (The West Wing), an episode of the television series The West Wing