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A limitation with least squares predictions
Author(s) -
Bittner Teresa L.
Publication year - 2012
Publication title -
teaching statistics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.425
H-Index - 13
eISSN - 1467-9639
pISSN - 0141-982X
DOI - 10.1111/j.1467-9639.2012.00512.x
Subject(s) - least squares function approximation , econometrics , computer science , statistics , mathematics , estimator
Although researchers have documented that some data make larger contributions than others to predictions made with least squares models, it is relatively unknown that some data actually make no contribution to the predictions produced by these models. This article explores such noncontributory data.