In sci.stat.edu Ronald Bloom <[EMAIL PROTECTED]> wrote: : Suppose I have more observations than I have variables. : E.g. Say 51 variables and 30 observations apiece.
: Is there anything useful I can learn nevertheless from : that matrix? not much; you can't even learn much about 10 variables : E.g.: : Is there anything to be garnered from a principle components : decomposition of this covariance matrix in this circumstance? NO . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
