RE: st: ignore message:destring id - for attnd matching in pscore

["Gauri Khanna" <gwkhanna@hotmail.com>]

Dear Stata list,

I was able to find a solution for my problem.

I used -gen idmatch = real(subinstr(hhid, " ", "", .))-

Please ignore the message.

Sincerely,

Gauri
> From: "Gauri Khanna" <gwkhanna@hotmail.com>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: statalist@hsphsun2.harvard.edu
> Subject: st: destring id - for attnd matching in pscore
> Date: Tue, 24 Apr 2007 08:24:25 +0000
>
> Dear Statalist,
>
> I am using -pscore- module to conduct matching using the nearest neighbour 
> match with -attnd-. I would like to do some post-matching analysis and 
> would like to restrict my data to the matched group. I looked up -help 
> attnd- and ran the following command.
>
> -attnd h11 wellsan v012 sexhhead v119 v136 v152 aware v730 v705 ///
> rooms1to3 rooms4to5 propadult propwomen propmen v715 ///
> v717 v714 v136v119 v715aware sh42 sh43 sh46 sh42sexhh ///
> v730v119, pscore(pscorewellsan) comsup matchvar(scorewellsan) 
> matchdta(scorewellsan) id(hhid) boot reps(50) dots logit-
>
> 1. However, when I look at my data, I have all mising values for my id 
> variable "hhid". hhid = household id, is a string variable and which I have 
> used in the command above so that I can subsequently use this identifier to 
> merge with my original dataset and conduct the post-matching analysis.  I 
> have listed "hhid" below so you can see what it looks like.
>
> So I tried to destring my "hhid" variable but it gave the following error
>
> - destring hhid, gen(IDmatch)-
> hhid contains non-numeric characters; no generate
>
>
> Then I used the -ignore- and -force- option but I got all missing values 
> for "hhid". How can I convert it to a numeric value so that I can use it 
> with -attnd-?
>
> I will be grateful for your advice.
>
> Sincerely,
>
> Gauri
>
> des hhid
>
>              storage  display     value
> variable name   type   format      label      variable label
> -------------------------------------------------------------------------------
> hhid            str12  %12s
>
> . list hhid
>
>       +--------------+
>       |         hhid |
>       |--------------|
>    1. |     2  1  66 |
>    2. |     2  1  93 |
>    3. |     2  1 111 |
>    4. |     2  1 147 |
>    5. |     2  1 174 |
>       |--------------|
>    6. |     2  1 201 |
>    7. |     2  1 237 |
>    8. |     2  1 255 |
>    9. |     2  2  65 |
>   10. |     2  2  95 |
>       |--------------|
>   11. |     2  2 130 |
>   12. |     2  3  25 |
>   13. |     2  3  55 |
>   14. |     2  3  91 |
>   15. |     2  3  97 |
>       |--------------|
>
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