On 16 Mar 2003 16:15:02 -0800, [EMAIL PROTECTED] (VOLTOLINI) wrote: > Dear friends, > > I am preparing a class on Kurtosis and Skewness and I can found different > formulas to calculate each one. > > Another problem is that for some formulas the result zero represents a > normal distribution but..... using another formula the result value 3 > represents a normal distribution!
Well, that is the smallest difference between equations. Yes, sometimes we subtract off the 3. > I think we need to be very carefull because diferent softwares are using > different formulas. > > Does anyone can help me to choose the best formulas or give me some > explanation? > For an start on excellent references, you can do a search with groups.google, looking for <skewness kurtosis group:sci.stat.* author:heiser > -- Rich Ulrich, [EMAIL PROTECTED] http://www.pitt.edu/~wpilib/index.html . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
