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Re: st: From: Richard Moverare <richard.moverare@gmail.com>


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: From: Richard Moverare <richard.moverare@gmail.com>
Date   Mon, 17 Jun 2013 23:04:48 +0100

http://www.stata.com/statalist/archive/2013-06/msg00751.html
Nick
njcoxstata@gmail.com


On 17 June 2013 22:04, Sergiy Radyakin <serjradyakin@gmail.com> wrote:
> Perhaps something like this? All list commands are for illustration
> only, drop them from the production code when you understand how the
> example works.
> Best, Sergiy
>
>
> clear
> input str27 a
> "234 Used cars, no batteries"
> "22 Bottles - unspecifed"
> "234 Used cars, no batteries"
> "440 N/A"
> end
>
> list
>
> gen first=substr(a,1,strpos(a," ")-1)
> gen last=substr(a,strpos(a," ")+1, strlen(a)-strpos(a," "))
>
> destring first, replace
>
> list
>
>
> preserve
> duplicates drop a, force
> sort first
> local cmd "label define mylbl "
> forval i=1/`=_N' {
>   local cmd `"`cmd' `=first[`i']' `"`=last[`i']'"'"'
> }
> restore
>
> `cmd'
> label values first mylbl
> list
>
> drop last
> label list
> list
>
>
>
> On Sun, Jun 16, 2013 at 2:16 PM,  <owner-statalist@hsphsun2.harvard.edu> wrote:
>> Dear Statalist,
>>
>> I have a small problem that I guess I should be able to solve, but I
>> got stuck. I have a string variable that consists of 1-3 numbers,
>> space, and then a description. The description varies in terms of
>> numer of words and characters.
>>
>> What I would like to do is to create a numeric variable where the
>> values are the numbers in the beginning of the string and then use the
>> rest of the string as a value label. The dataset includes a number of
>> duplicates for this specific variable (one of the reason for doing
>> this conversion is to make the dataset smaller in size). The first
>> part is no problem using -word-, and I can get what I want as a label
>> by getting the second word and those that follow, but I got stuck
>> defining the labels for the variable.
>>
>> The variables looks something like this:
>> 234 Used cars, no batteries
>> 22 Bottles - unspecifed
>> 234 Used cars, no batteries
>> 440 N/A
>> and so on.
>>
>> Any help would be greatly appreciated!
>>
>> All the best, Rick
>> *
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