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Re: st: putting value label categories into a matrix


From   Phil Schumm <[email protected]>
To   [email protected]
Subject   Re: st: putting value label categories into a matrix
Date   Mon, 10 Dec 2007 08:35:59 -0600

On Dec 9, 2007, at 6:20 PM, Milly Marston wrote:
I would like to get the value label categories of my variables into matrices so for a simple example

For sex labelled 1=male and 2=female:

1 2
male female

Where the first row is the values and the second the labels (or transposed)

Note that you would have to format 1 and 2 as strings here, since matrices (in Mata) must either have all numeric or all string values (i.e., not mixed types).



Also with st_vlmap you seem to have to explicitly write down all the values labels you would like in the matrix whereas I would need it to be able to vary so I can put all my variables through the command without listing each number corresponding to the value label

You would probably want to use st_vlload() instead:


. lab def foo 1 "apple" 2 "orange" 3 "pear"

. mata: st_vlload("foo", values=., text=.)

. mata: (strofreal(values),text)'
            1        2        3
    +----------------------------+
  1 |       1        2        3  |
  2 |   apple   orange     pear  |
    +----------------------------+


-- Phil

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