Terminology in Information Retrieval
In information retrieval positive predictive value is called precision, and sensitivity is called recall.
The F-score can be used as a single measure of performance of the test. The F-score is the harmonic mean of precision and recall:
In the traditional language of statistical hypothesis testing, the sensitivity of a test is called the statistical power of the test, although the word power in that context has a more general usage that is not applicable in the present context. A sensitive test will have fewer Type II errors.
Read more about this topic: Sensitivity And Specificity
Famous quotes containing the word information:
“Rejecting all organs of information ... but my senses, I rid myself of the Pyrrhonisms with which an indulgence in speculations hyperphysical and antiphysical so uselessly occupy and disquiet the mind.”
—Thomas Jefferson (1743–1826)