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.../ read.table would be another option but I'm not sure if R can guess the factor/char/numeric-type correctly when reading the table. So, is there any way in drop the unused factor levels from *all* factors of a data frame without import/export ? Thanks in advance, Hilmar -- Hilmar Berger Studienkoordinator Institut f?r medizinische Informatik, Statistik und Epidemiologie Universit?t Leipzig H?rtelstr. 16-18 D-04107 Leipzig Tel. +49 341 97 16 101 Fax. +49 341 97 16 109 email: hilmar.berger at imise.uni-leipzig.de

...ame layout. In order to use sensitive values for those externally supplied scaling factors (cex) I would like to know how R scales axis font sizes internally. Could someone point me to the method/file in the R-source code (R 2.1.1) where this scaling is done ? Thanks, Hilmar -- Hilmar Berger Studienkoordinator Institut f??r medizinische Informatik, Statistik und Epidemiologie Universit??t Leipzig H??rtelstr. 16-18 D-04107 Leipzig Tel. +49 341 97 16 101 Fax. +49 341 97 16 109 email: hilmar.berger at imise.uni-leipzig.de