Try enough patterns in random data and eventually one of them will fit. A test for the statistical significance of a hypothesis is uninformative when it is based on the same data the hypothesis emerged from.
Exploratory data analysis can still be useful, but it must be validated on different data gathered for that purpose.
| position | ease | box | interval | due |
|---|---|---|---|---|
| front | 2.95 | 8 | 1295.17 | 2026-02-09T10:48:25Z |
What is data dredging?
Repeatedly testing new hypotheses against the same set of data, failing to acknowledge that most correlations will be the result of chance.