> the two parts into > Y = p * 0 + (1-p) * X > where p is the proportion of 0's, and X represents the continuous > component of the random variable.
I must amend myself... what I should have written is Y = I * 0 + (1-I) * X where I is a Bernoulli random variable with probability p of "success" (i.e. 1) and X represents the continuous component of the random variable. -- Adelchi Azzalini <[EMAIL PROTECTED]> Dipart.Scienze Statistiche, Universitą di Padova, Italia http://azzalini.stat.unipd.it/ ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
