[R] extract numerical variables from a data frame

Vincent Spiesser Vincent.Spiesser at univ-tlse1.fr
Fri Aug 29 11:07:54 CEST 2003


I try to create from a data frame a new one which contains only the 
numerical variables (or factorial ones).

Is there any function which does this task directly ?
Or, is there any function which return the mode of each columns of a data 
frame. ?

Thanks a lot for any help you can offer me,

Vincent Spiesser

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