This are in various packages, you could have a look at ade4 (on CRAN). Kjetil
C NL wrote: > Hi everyone, > > I'm trying to solve a problem about how to get the > Fisher's discriminant functions of a "lda" (linear > discriminant analysis) object, I mean, the object > obtained from doing "lda(formula, data)" function of > the package MASS in R-project. This object gives me > the canonical linear functions (n-1 coefficients > matrix of n groups at least), and only with this > information I could predict the group of an > observation data using the "predict" function. But > what I need is the Fisher's discriminant functions (n > coefficients matrix of n groups) in order to classify > my future data. > > The object "predict" gives me only the following > attributes "x", "posterior" and "class", but none of > them are the coefficients matrix of the Fisher's > discriminant functions, and the reason why I'm not > using the "predict" function for my predictions is > because the time spent is very high for what I'm > expecting, about 0.5 seconds while I can obtain this > prediction with the Fisher's discriminant functions > faster. > > So, I don't know if there's a package which I can > use to obtain the mentioned coefficients matrix of the > Fisher's discriminant functions. > > I anyone can help, I would appreciate it greatly. > > Thank you and regards. > > Carlos Niharra López > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > > -- ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
