de-seasonalizing weekly data

[za gh]

Hi ,
I have a question. It is that How we can de-seasonalizing weekly data ? of course , for monthly data , I generate 11 dummy variable and use @seas for de-seasonalizing it . but I don't know how I can do same thing for weekly data.
Can you please tell me how to fix this?

[trubador]

Code: Select all

@expand(@datepart(@date,"ww"),@dropfirst)

[za gh]

thanks for your answer
how i can generate 47 dummy variable for weekly data ???