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Re: st: RE: identifying highest number of consecutive variables where answer is consistent across observation


From   Alison El Ayadi <aelayadi@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: identifying highest number of consecutive variables where answer is consistent across observation
Date   Thu, 20 Feb 2014 09:27:47 -0800

Thanks, Joe, for helping me clarify my query into the appropriate language!
When I say in a row I mean consecutively across an observation, based
on the variable order that I have assigned previously.
I have a total of 94 response variables and am looking to identify
those observations which have a constant response (whatever it is)
across 15 or more of the variables, in order.
I hope this makes more sense - let me know if you need more detail.

Best,
Alison


On Thu, Feb 20, 2014 at 9:11 AM, Joe Canner <jcanner1@jhmi.edu> wrote:
> Alison,
>
> When you say "in a row" do you mean "consecutively" or are you referring to rows in the Stata sense (all of the variables for an observation)?
>
> Regards,
> Joe Canner
> Johns Hopkins University School of Medicine
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Alison El Ayadi
> Sent: Thursday, February 20, 2014 12:04 PM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: identifying highest number of consecutive variables where answer is consistent across observation
>
> Hi -
>
> I am doing some data cleaning on survey data and am looking to identify observations where there are 15 or more of the same answers in a row (across the variables in current order).  All of the variables are string.  Does anyone have an easy automated way to do this?  I'm thinking that it could be done by generating a variable that provided the maximum number of same responses in a row, but have no idea how to code this.  Variables are q1 - q94, and all string.
>
> Any suggestions on efficiently writing this code would be greatly appreciated.
>
>
> Best,
> Alison
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