In many articles, the chi-squared test of goodness of fit is used. Even when used correctly, the distribution is NOT a chi-squared distribution; that is an asymptotic approximation. It is quite poor in the tails, which is usually where it is used.
Also, it is often used incorrectly. When parameters are estimated using more information than the cell frequencies, even the asymptotic distribution is not chi-squared. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Deptartment of Statistics, Purdue University [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
