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Re: st: Re: Axis label
From
Arti Rayit <[email protected]>
To
[email protected]
Subject
Re: st: Re: Axis label
Date
Wed, 13 Apr 2011 11:14:26 +0100 (BST)
Nick, Oliver,
Many thanks for your assistance. The wealth of knowledge on this list is superb.
Art
----- Original Message ----
From: Nick Cox <[email protected]>
To: [email protected]
Sent: Wed, 13 April, 2011 10:05:12
Subject: Re: st: Re: Axis label
As Oliver says, in the example the data are already sorted in the
right order. That being so,
labmask sid, values(parm)
is a shorter solution yet. (As before, -labmask- is from SJ.)
Nick
On Wed, Apr 13, 2011 at 10:54 AM, Oliver Jones
<[email protected]> wrote:
> Hi,
>
> even so Nick already gave an solution, here is an example of how I would
> have done it (before seeing Nick's solution).
>
> ************* begin example *******************
> clear
> * Create some example variable
> set obs 3
> gen str5 parm = "a"
> replace parm = "b" in 2
> replace parm = "c" in 3
> list
> gen qvs = rnormal()
>
> * Asuming the data are sorted the way you want them you can just
> * create an id variable
> gen int id = _n
>
> * Make a label out of you string variable
> levelsof parm
> tokenize `"`r(levels)'"'
> local i = 0
> while "`1'" != "" {
> local i = `i' + 1
> dis `i'
> dis "`1'"
> label define lbl_parm `i' "`1'", modify
> macro shift
> }
>
> * attach the label to your id variable
> label values id lbl_parm
>
> list
>
> tw scatter qvs id, xlab(, valuelabel)
>
> exit
> ************* end example *******************
>
> Best
> Oliver
>
> Am 13.04.2011 11:12, schrieb Arti Rayit:
>>
>> I have a dataset which has a str5 variable 'parm' of the form 1-2, 1-3,
>> 1-4 etc
>> and I want to use this as the variable on the x axis of a twoway scatter
>> plot. I
>> have converted this to numeric:
>>
>> encode parm,gen(id) label(parm)
>> twoway (scatter qvs id), xlabel(, valuelabel)
>>
>> but the new variable has the sort order based on parm:
>> parm estimate p qvs sid id |
>> |----------------------------------------------------|
>> 1. | 1-2 125.5616 3.83e-29 .0001 1 3 |
>> 2. | 1-3 125.5616 3.83e-29 .0001 2 4 |
>> 3. | 1-4 125.5616 3.83e-29 .0001 3 5 |
>> 4. | 1-5 125.5616 3.83e-29 .0001 4 6 |
>> 5. | 1-6 125.5616 3.83e-29 .0001 5 7 |
>> |----------------------------------------------------|
>> 6. | 1-7 125.5616 3.83e-29 .0001 6 8 |
>> 7. | 1-8 125.5616 3.83e-29 .0001 7 9 |
>> 8. | 1-9 125.5616 3.83e-29 .0001 8 10 |
>> 9. | 1-10 125.5616 3.83e-29 .0001 9 1 |
>> 10. | 1-11 125.5616 3.83e-29 .0001 10 2
>>
>> which means the first plotted variable is 1-10 rather than 1-2.
>>
>> How can I sort this so that the plot sequence is 1-2, 1-3 etc.
>>
>> I am using Stata 11.
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