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skimmed
2011 Oct 03
3
Best method to add unit information to dataframe ?
Dear all,
I'd like to have a dataframe store information about the units of
the data it contains.
You'll find below a minimal exemple of the way I do, so far. I add a
"units" attribute to the dataframe. But I dont' like the long syntax
needed to access to the unit of a given variable (namely, something
like :
var_unit <- attr(my_frame,