Displaying 1 result from an estimated 1 matches for "metafields".
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datafields
2008 Jul 18
2
column wise paste of data.frames
...ce age Subject Sex
1 26.0 8 M01 Male
2 25.0 10 M01 Male
3 29.0 12 M01 Male
4 31.0 14 M01 Male
5 21.5 8 M02 Male
6 22.5 10 M02 Male
Suppose now, that I have a vector which contains the names of the
"meta"-fields in this data-frame:
metaFields <- c("Subject", "Sex")
I now would like to form a new column "ID" which consists of the columns
in metaFields joined like the following:
> head(Orthodont)
Grouped Data: distance ~ age | Subject
distance age Subject Sex ID
1 26.0 8 M01 Male M01/Ma...