Yes it is. Look at almost all econometrics books Yves
"Rajarshi Guha" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Hello, > I was wondering whether anybody whould be able to help with this query. > > > I have some neural network models which makes predictions for a dataset. When > comparing various models we evalute the effectiveness by looking the RMS > error and the value of R^2 between the predicted and actual values. > > However, I seem to have read somewhere that R^2 is not always a 'good > indicator' - in that a data set can be randomly generated yet show a good > R^2. Is this true? And if so, does anybody know how I can reference this > (paper/book)? > > Thanks, > Rajarshi . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
