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# Re: st: Creating Seasonal Dummy Variables

 From Adam Guerrero <[email protected]> To [email protected] Subject Re: st: Creating Seasonal Dummy Variables Date Tue, 22 Apr 2014 08:01:50 -0500

```Wow.  Thank you so much for your response, Nick.

On Tue, Apr 22, 2014 at 2:19 AM, Nick Cox <[email protected]> wrote:
> No programming is needed, just some basic data management.
>
> egen month = seq(), to(12)
> tab month, gen(m)
>
> Nick
> [email protected]
>
>
> On 22 April 2014 06:14, Adam Guerrero <[email protected]> wrote:
>> Dear Statalisters,
>>
>> I have a dataset comprised of 168 observations, or 14 years worth of
>> monthly data, on two variables, rooms and time.  Rooms is the number
>> of occupied rooms in a hotel during a given month, and time is the
>> current month ranging from 1 to 168.
>>
>> The data are time ordered.  So, the first observation in the dataset
>> represents the first month of the first year, and the 168th
>> observation in the dataset represents the last month of the last year,
>> and so on.
>>
>> My goal is to create eleven seasonal dummy variables, m1-m11.  The
>> month of December will be used as my reference category.  Thus,
>>
>> m1 will equal 1 for all January months, so m1 will equal 1 for
>> observations 1, 13, 25, etc.
>>
>> m2 will equal 1 for all February months, m2 will equal 1 for
>> observations 2, 14, 26, etc.
>>
>> I can write a looping statement to create empty dummies.  For example
>>
>> forvalues i = 1/11 {
>>      generate m`i' = 0
>> }
>>
>> But, I am experiencing an issue creating a looping command to fill in
>> each variable with the appropriate values.  Actually, I would like to
>> combine these tasks, if possible.
>>
>> I would be very thankful if a member of the statalist community would
>> be willing to teach me how to create the 11 dummy variables with the
>> appropriate values (leaving December out as the base case).
>>
>> I am new to programming, so pardon my current lack of knowledge, and
>> thank you for your consideration.
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