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Re: st: how recode a positive value on a variable to a particular negative value


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how recode a positive value on a variable to a particular negative value
Date   Fri, 28 Sep 2012 17:12:50 +0100

Everyone's happy now. Please note that my assertion that "[t]his
replacement lies outside -recode-'s rules" was quite wrong.

Nick

On Fri, Sep 28, 2012 at 5:02 PM, Erik Aadland <erikaadland@hotmail.com> wrote:

> Nick, Daniel, Martyn.
> I figured out that I did wrong.
> In my code, I had a space between the minus sign and the value in one of my brackets.
> e.g. recode year (1990 = -156) (1991= - 144)
> When I had this space, I got the following error message:
> unknown el - in rule
> r(198);
>
> Without the space between the minus sign and the value, recode appears to work.
> Sorry about this inconvenience.
> Regards,
> Erik.
>
> ----------------------------------------
>> From: statams48@gmail.com
>> Date: Fri, 28 Sep 2012 16:42:58 +0100
>> Subject: Re: st: how recode a positive value on a variable to a particular negative value
>> To: statalist@hsphsun2.harvard.edu
>>
>> Erik,
>> It works for me:
>> . list
>>
>> +------+
>> | year |
>> |------|
>> 1. | 1990 |
>> 2. | 1991 |
>> 3. | 1990 |
>> 4. | 1992 |
>> 5. | 1993 |
>> +------+
>>
>> . recode year (1990 = -156) (1991= -144) (1992 = -100)
>> (year: 4 changes made)
>>
>> . list
>>
>> +------+
>> | year |
>> |------|
>> 1. | -156 |
>> 2. | -144 |
>> 3. | -156 |
>> 4. | -100 |
>> 5. | 1993 |
>> +------+
>> What error message do you get?
>>
>> Martyn
>>
>> On 28 September 2012 16:26, Erik Aadland <erikaadland@hotmail.com> wrote:
>> > Dear Statalist.
>> > I am trying to recode positive values on a specific variable into particular negative values.
>> > e.g:
>> > recode year (1990 = -156) (1991= -144)
>> > and so on.
>> > However, recode does not allow a negative value it seems.
>> > Any input on this problem would be very appreciated.
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