st: round () if

[Shehzad Ali <sia500@york.ac.uk>]

Hi listers,

I want to round a variable 'week' if it is within 2 weeks range of 
multiples of 12 week. So 10 weeks should become 12 weeks while 9 weeks 
should not change. Similarly 21 weeks would not change while 25 weeks will 
change to 24 weeks. Is there a way to do it in Stata using -round- or other 
command?

Thank you,
Shehzad
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