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Posted: **Mon Feb 26, 2018 9:27 am**

Hi,

I'd like to analyse properties of the first month of each quarter in a data series. I'm thinking I should just create a new series with NA's for all other months but I'm wondering what is a faster way to create the sample than this

Code: Select all

smpl 2000:01 2000:01 2000:04 2000:04 etc etc

Thanks!

Posted: **Mon Feb 26, 2018 9:57 am**

Maybe

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smpl if @month=1 or @month=4 or @month=7 or @month=10

Posted: **Mon Feb 26, 2018 10:13 am**

Thank you!

Posted: **Mon Feb 26, 2018 12:43 pm**

Code: Select all


smpl if @quarter<>@quarter(-1)

Posted: **Mon Feb 26, 2018 3:36 pm**

Or,

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smpl if @mod(@month,3)=1

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