Comparison of SRI now and 10 years ago

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Camila Colvara

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Mar 28, 2025, 4:28:29 AMMar 28
to R package GGIR
Hello.

I'm new to this forum.
I'm working on the sleep regularity index, which will be measured now and compared with the same measurement from 10 years ago. However, I don't seem to have this “SleepRegularityIndex” variable extracted from my 2014 database.
Is there any way of doing this calculation with the variables made available by the GGIR, in part 4 or part 5, in the year 2014?

Thank you in advance for your help.  

Sincerely,
Camila.


Vincent van Hees

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Apr 9, 2025, 10:30:16 AMApr 9
to Camila Colvara, R package GGIR
Hi Camila,
The only solution is to reprocess your data.

It may further be good to mention that GGIR's SRI is actually more of a rest regularity index. I am working on expanding GGIR part 6 to include SRI that is more in line with the one proposed by Windred. I hope to include these updates before the summer.

Best,

Vincent

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