Having only a handful of factors in the model means there are fewer chances for errors.

NPR: Online Calculator Estimates Breast Cancer Risk

The clinic formed a partnership with the company Eye Controls to develop a more user-friendly model, consisting of a handheld iris camera and software to reduce identification errors.

CNN: At Bronx clinic, the eyes are windows to medical records

One of Fiat's big errors in the 1990s was to stop doing facelifts halfway through the conventional seven-year life of a model.

ECONOMIST: Fiat's latest efforts to save itself