[R] value.labels

[zcatav]

Hi,
My data.frame as follows;

	a	        b	        c	d
1	58009	        2010-11-02	0	NA
2	114761	2011-07-28	1	2008-11-05
3	184440	2011-07-28	1	2009-12-08
4	189372	2011-07-28	0	NA
5	105286	NA     	2	NA
6	186717	2011-07-28	0	NA
7	189106	2011-07-28	0	NA
8	127306	2011-07-28	0	NA
9	157342	2011-04-25	0	NA

> library("prettyR")
> add.value.labels(test2$c, "alive","dead","missed")
Error in add.value.labels(test2$c, "alive", "dead", "missed") : 
  unused argument(s) ("dead", "missed")

> add.value.labels(test2$c, "alive")
[1] 0 1 1 0 2 0 0 0 0
attr(,"value.labels")
alive  <NA>  <NA> 
    0     1     2 

This function allows only one label. How can add second and other labels?

Thanks.

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