In article <[EMAIL PROTECTED]>, AngelNochek <[EMAIL PROTECTED]> wrote: >Helo;-(((( Can not find minimal sufficient statistics for logistic >distribution;-( >I don't have a general method on finding minimal sufficient >statistics, please, help explaining. Thank you. This problem keeps coming up, not necessarily for this distribution. One way to attack it is to note that a statistic is pairwise sufficient if and only if the ratio of the densities for two states of nature is a function of the statistic except for probability zero, and that if the distributions have densities with respect to a well-behaved measure, this is equivalent to sufficient. So anything one can compute from the ratio of likelihood functions must be determined from any sufficient statistic. In this problem, this can be used to find the minimum sufficient statistic. -- 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, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 =========================================================================== This list is open to everyone. Occasionally, less thoughtful people send inappropriate messages. Please DO NOT COMPLAIN TO THE POSTMASTER about these messages because the postmaster has no way of controlling them, and excessive complaints will result in termination of the list. For information about this list, including information about the problem of inappropriate messages and information about how to unsubscribe, please see the web page at http://jse.stat.ncsu.edu/ ===========================================================================