I think this is definitely out of the scope of data.table. On 28 July 2011 13:43, Tom Short <[email protected]> wrote:
> On Thu, Jul 28, 2011 at 8:26 AM, Griffith Rees > <[email protected]> wrote: > > I think this page quite succinctly describes this issue: > > http://www.statmethods.net/input/variablelables.html > > It would be easy to add to data.table. You could also add support > outside of data.table by writing label.data.table and similar > functions. Actually using the labels for useful things is more > difficult. I often find it useful just to use more verbose variable > names that include spaces as follows: > > > dt <- data.table(`My first column` = 1:3, `A character column` = > letters[1:3], check.names = FALSE) > > str(dt) > Classes 'data.table' and 'data.frame': 3 obs. of 2 variables: > $ My first column : int 1 2 3 > $ A character column: Factor w/ 3 levels "a","b","c": 1 2 3 > > That way, columns look better with automatic plotting and with lattice > or ggplot legends. > > - Tom > _______________________________________________ > datatable-help mailing list > [email protected] > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help >
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