Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Re: -encode- help..


From   "Sergiy Radyakin" <serjradyakin@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re: -encode- help..
Date   Wed, 19 Nov 2008 15:35:44 -0500

Well, I guess Nick is totally right this time. I totally looked over
the fact that when the same value labels are used in many encodes, the
existing labels will be reused. Thanks for reminding this, Sergiy


On Wed, Nov 19, 2008 at 3:28 PM, moleps islon <moleps2@gmail.com> wrote:
> So apparently no easy solution to this. The perfect solution would be
> a command that accepted a varlist, automatically generated new
> variables concatenating the old variablename with a userspecified
> _name_ and labeled the values according to a predefined labelset...
> That would also let the user set the startnumber for the codes...
> Gotta learn programming:-)
>
>
>
> On Wed, Nov 19, 2008 at 9:17 PM, Martin Weiss <martin.weiss1@gmx.de> wrote:
>> Some amount of beforehand investigation is thus inevitable. If Moleps could
>> find one variable that had all possible values present, he could substitute
>> that in the line "encode sex, g(gender)" and it would work...
>>
>> HTH
>> Martin
>> _______________________
>> ----- Original Message ----- From: "Sergiy Radyakin"
>> <serjradyakin@gmail.com>
>> To: <statalist@hsphsun2.harvard.edu>
>> Sent: Wednesday, November 19, 2008 9:11 PM
>> Subject: Re: st: Re: -encode- help..
>>
>>
>>> Hi,
>>>
>>> this will not work in case when one of the variables does not contain
>>> all codes present in all other variables.
>>>
>>> (table shows unique values only,sorted alphabetically, like Stata does it)
>>>
>>> Var1 Var2 Var3
>>> A       B       A
>>> B      C       B
>>> C
>>>
>>> After encoding Var1 will be coded as 1=A, 2=B, 3=C; Var2: 1=B, 2=C;
>>> Var3: 1=A,2=B, which is in all probability not what moleps islon
>>> wanted.
>>>
>>> In general one must find a union of all possible values, then encode.
>>> Practically this is probably easier to solve by reshaping the data to
>>> the long format, encoding the single string variable, and then
>>> reshaping back. If there are a few values to label, and those are
>>> known a priori, I would hardwire them into the program and label
>>> manually.
>>>
>>> Best regards,
>>>  Sergiy Radyakin
>>>
>>> On Wed, Nov 19, 2008 at 2:52 PM, Martin Weiss <martin.weiss1@gmx.de>
>>> wrote:
>>>>
>>>> Well, if they share the same values, then the -encode- will lead to a
>>>> redundancy because technically you would need only one -label- so that
>>>>
>>>> **************
>>>> webuse hbp2, clear
>>>>
>>>> forv i =1/5{
>>>> clonevar sex`i'=sex
>>>> }
>>>>
>>>> encode sex, g(gender)
>>>>
>>>> ds sex?
>>>>
>>>> foreach var in `r(varlist)'{
>>>> encode `var', g(gender`var') l(gender)
>>>> }
>>>>
>>>> desc
>>>> *****************
>>>>
>>>> you can reuse it with the -label- option to -encode-...
>>>>
>>>>
>>>> HTH
>>>> Martin
>>>> _______________________
>>>> ----- Original Message ----- From: "moleps islon" <moleps2@gmail.com>
>>>> To: <statalist@hsphsun2.harvard.edu>
>>>> Sent: Wednesday, November 19, 2008 8:30 PM
>>>> Subject: st: -encode- help..
>>>>
>>>>
>>>>> I've got 30 different text variables that all have the same possible
>>>>> values. Is there an easy way to encode all 30 variables using the same
>>>>> label or do I have to do it manually. Also is it possible, somehow, to
>>>>> specify stata to start encoding with tha value 0 instead of 1 ?
>>>>>
>>>>> Best wishes,
>>>>> Moleps
>>>>> *
>>>>> *   For searches and help try:
>>>>> *   http://www.stata.com/help.cgi?search
>>>>> *   http://www.stata.com/support/statalist/faq
>>>>> *   http://www.ats.ucla.edu/stat/stata/
>>>>>
>>>>
>>>>
>>>> *
>>>> *   For searches and help try:
>>>> *   http://www.stata.com/help.cgi?search
>>>> *   http://www.stata.com/support/statalist/faq
>>>> *   http://www.ats.ucla.edu/stat/stata/
>>>>
>>> *
>>> *   For searches and help try:
>>> *   http://www.stata.com/help.cgi?search
>>> *   http://www.stata.com/support/statalist/faq
>>> *   http://www.ats.ucla.edu/stat/stata/
>>>
>>
>>
>> *
>> *   For searches and help try:
>> *   http://www.stata.com/help.cgi?search
>> *   http://www.stata.com/support/statalist/faq
>> *   http://www.ats.ucla.edu/stat/stata/
>>
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index