At 01:13 PM 3/26/2008, Ala' Jaouni wrote: >I am trying to generate a set of random numbers that fulfill the following >constraints: > >X1 + X2 + X3 + X4 = 1 > >aX1 + bX2 + cX3 + dX4 = n > >where a, b, c, d, and n are known. > >Any function to do this?
1. Generate random variates for X1, X2, based upon whatever unspecified distribution you wish. 2. Solve the two equations for X3 and X4. ================================================================ Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED] Least Cost Formulations, Ltd. URL: http://lcfltd.com/ 824 Timberlake Drive Tel: 757-467-0954 Virginia Beach, VA 23464-3239 Fax: 757-467-2947 "Vere scire est per causas scire" ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.