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...t;,...) and .Fortran("ordering",...) command everything works... Now here comes trouble: When I do the R CMD INSTALL command, my package install. The .C command works but when I run the .Fortran command I get: Error in .Fortran("orderdata", d = as.double(d), as.integer(n), rowscore = as.double(rowscore)) : the enter point Fortran "orderdata_" absent of the loading table. What should I do to make sure that upon the installation of my package my Fortran function will appear in the load table... Thanks a lot. S?bastien Durand

Is there an option to draw concentration ellipses in biplots ? It seems really nice to summarize large number of points of each group. Cheers../ Murli