In one study, the method of Bayesian inference is coupled with the FFM and in another, mathematical ma-nipulation is use to solve the equation so that the reciprocal rate declines linearly independent of empirical parameters.
Önnur þessara rannsókna felur í sér nýtingu Bayesískrar tölfræði og hin leggur fram útleiðslur sem gera and-hverfu vörpunina línulega, óháð mældu föstunum.