Application of GGIR package to 1 minute epoch accelerometer data

[Gabriela Cárdenas Fuentes]

Hello Vicent, 

First, congratulations on such a great package. I'am sure it took a lot a work.

I wanted to ask you if your package is applicable to  a data that has been already downloaded to a agd file in 60 sec epoch. As you see my data is not raw, and, because it has been downloaded in epoch, I assume it has passed through the Actilife algorithms. I  want to use your package to identify non wear time , bouts , and other outcomes.  But I will not be using it for calibration or detection of anormal hight activity, since this was done automatically when downloaded.

(Sorry if it is a silly question, it is my first time treating with accelerometer data)

Thank you very much.

[Vincent van Hees]

Hi Gabriela,

I am afraid what you are trying to do is not possible. You really need the raw Actigraph file, which has gt3x extension and should then be converted to csv format.

Best,

Vincent

Dr. Vincent van Hees

Independent consultant

https://accelting.com/

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