Dear Marteen,
Sorry to be back. About for my first question - I wanted the country names to shopw up, so I got rid of the commas as you suggested, and it works great. However, I tried the same command by(country_name) using a computer's friend and without alterations to the country name commas, and the command works fine. Both computers have stata 10: so I am wondering, maybe I need to do some updates, but I am not sure if this is the issue here. Could you please help again?
thank you
Arina
---- Original message ----
>Date: Mon, 19 Oct 2009 07:07:53 +0000 (GMT)
>From: [email protected] (on behalf of Maarten buis <[email protected]>)
>Subject: Re: st: scatter line and reshape question
>To: [email protected]
>
>--- On Mon, 19/10/09, Arina Viseth wrote:
>> 1) I would like to draw scatter lines (Y: value, X: time),
>> for difference countries. I have inputed the country_name
>> (string) and also the country_code (float).
>>
>> However, my scatter line by country works only when I
>> type:
>> twoway line value time, by(country_id)
>>
>> but although in the help section, it says that the by
>> option may be use with numeric or string variables, I can't
>> draw any scatter lines when I type:
>> twoway line value time, by(country_name)
>>
>> And instead I have the following error message: "option
>> Dem. not allowed
>> r(198);"
>>
>> Could you please help me with what I am doing wrong here?
>
>Sounds to me like you have a comma somewhere in those
>strings. Anyhow, the simplest solution is to use the numeric
>version of that variable, since you already have that in
>your data.
>
>> 2) my second question is: I would like to use the reshape
>> long command, but instead of years, I would have quarterly
>> data(for example q1_2005 q2_2005..etc). So I am not sure
>> what to put after the "j" in reshape long command: long
>> value, i(id) j(?)
>
>-reshape- doesn't know or cares whether j is measured in
>years, kilos, cows, or quarters, so using your quarter
>variable is not a problem at all. I am guessing that
>variable is a string, so you will also need to specify
>the -string- option.
>
>Hope this helps,
>Maarten
>
>--------------------------
>Maarten L. Buis
>Institut fuer Soziologie
>Universitaet Tuebingen
>Wilhelmstrasse 36
>72074 Tuebingen
>Germany
>
>http://www.maartenbuis.nl
>--------------------------
>
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