The Numerical Reliability of Econometric Software
- 1 June 1999
- journal article
- review article
- Published by American Economic Association in Journal of Economic Literature
- Vol. 37 (2) , 633-665
- https://doi.org/10.1257/jel.37.2.633
Abstract
Numerous examples show that some econometric software packages contain serious flaws, and that users cannot safely assume that their software is accurate. A brief survey of the fundamentals of computer arithmetic discusses the sources of numerical error and emphasizes that computer arithmetic is not at all like pencil-and-paper arithmetic. Both users and developers of econometrics software should first pay attention to accuracy, and only later consider user-friendliness. Details are provided for assessing the accuracy of basic estimation routines, statistical distributions, and random number generators. More accuracy benchmarks are needed, especially for specialized econometric procedures.This publication has 54 references indexed in Scilit:
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