You have the definition there already, what are you asking? On Jan 15, 2013 5:58 PM, "Zia mel" <[email protected]> wrote:
> Hi again , > > When evaluting preferences in recommenders and using > RMSRecommenderEvaluator, is it RMSE/RMSD > http://en.wikipedia.org/wiki/Root_mean_square_deviation > > If we get a value of 1 or 10 for RMSE what does that really mean ? Can > we represent RMSE by a % by dividing it on the range of preferences to > get a % of the error. For example if the RMSE is 1 and range is from > 0-5 can we say that the error of predicting is 1/5= 20% ? > > Thanks >
