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R package GGIR
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This group was used from 2014-2025, but has been superseded by
https://github.com/wadpac/
GGIR/discussions
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Vincent van Hees
Jul 23
R package GGIR Google group closed
Dear all, As of today it is no longer possible to post new messages in this google group. Moving
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R package GGIR Google group closed
Dear all, As of today it is no longer possible to post new messages in this google group. Moving
Jul 23
Stuart F
Jul 22
complete day wear hours in part2summary
Hi Vincent and all, We have processed accelerometer data that includes segments for the school day (
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complete day wear hours in part2summary
Hi Vincent and all, We have processed accelerometer data that includes segments for the school day (
Jul 22
Iris Willems
,
Vincent van Hees
3
Jul 18
Error in part 4 deltadates>300
Hi Vincent, Thank you for your answer. I double checked everything and I still cannot see where it
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Error in part 4 deltadates>300
Hi Vincent, Thank you for your answer. I double checked everything and I still cannot see where it
Jul 18
Zak Gilliam
,
Vincent van Hees
2
Jul 8
Basic Sleep guider multiple sessions per subject bulk run
Hi Zak, The options to extract the ID from the filename are indeed limited to splitting the filename
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Basic Sleep guider multiple sessions per subject bulk run
Hi Zak, The options to extract the ID from the filename are indeed limited to splitting the filename
Jul 8
奥田昌之
,
Vincent van Hees
7
Jun 30
Days in sleep log csv files
Hi, Vincent, Thank you for your valuable information. I have read the abstract of ISBNPA 2025 and
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Days in sleep log csv files
Hi, Vincent, Thank you for your valuable information. I have read the abstract of ISBNPA 2025 and
Jun 30
Abby Yeung
, …
Vincent van Hees
5
Jun 23
Error in Part 3
Thank you, Vincent and Masayuki, I will try to use the raw data file! thanks Abby Vincent van Hees在
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Error in Part 3
Thank you, Vincent and Masayuki, I will try to use the raw data file! thanks Abby Vincent van Hees在
Jun 23
Hananeh Younesian
, …
Vincent van Hees
5
Jun 23
Including Temperature Data for Non-Wear Detection in GGIR
Thanks Zachary, I agree that there is probably no major benefit in using temperature for most cases.
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Including Temperature Data for Non-Wear Detection in GGIR
Thanks Zachary, I agree that there is probably no major benefit in using temperature for most cases.
Jun 23
Vincent van Hees
, …
Michael Rueschman
3
Jun 20
Migration of google group to GGIR GitHub Discussion page?
Great idea! On Friday, June 13, 2025 at 4:57:08 PM UTC-4 Leandro Pablo Casiraghi wrote: I think this
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Migration of google group to GGIR GitHub Discussion page?
Great idea! On Friday, June 13, 2025 at 4:57:08 PM UTC-4 Leandro Pablo Casiraghi wrote: I think this
Jun 20
Juan Pablo Espinoza
, …
Nicolas Gomez
9
Jun 12
“as.POSIXlt.character” Error in Part 5
Hi Juan Pablo and Vincent, Thanks for taking the time to answer the question, I will look at the GGIR
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“as.POSIXlt.character” Error in Part 5
Hi Juan Pablo and Vincent, Thanks for taking the time to answer the question, I will look at the GGIR
Jun 12
Matt Patterson
, …
Vincent van Hees
19
Jun 11
Step count algorithm for GGIR
Hi Tom, I cc-ed Anne for your convenience. I doubt Matt or Anne have seen these messages as google
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Step count algorithm for GGIR
Hi Tom, I cc-ed Anne for your convenience. I doubt Matt or Anne have seen these messages as google
Jun 11
Callum Regan
,
Vincent van Hees
6
Jun 11
Sleep log and Not worn
Hi Vincent, Point taken. Thank you for your support and guidance. All the best, Callum On Tuesday, 10
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Sleep log and Not worn
Hi Vincent, Point taken. Thank you for your support and guidance. All the best, Callum On Tuesday, 10
Jun 11
Guilherme Stefano Goulardins
,
Vincent van Hees
2
Jun 10
Error part 4, in the milestone
Same post as in https://github.com/wadpac/GGIR/discussions/1317 Please do not double post questions
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Error part 4, in the milestone
Same post as in https://github.com/wadpac/GGIR/discussions/1317 Please do not double post questions
Jun 10
dominika
, …
Tom Kraft
6
Jun 2
ENMO_fullRecordingMean, ACC_nightandday_mg_wei - matching day summaries with person summary outputs
Hi Vincent, I believe that I have resolved this issue but will double check and provide a
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ENMO_fullRecordingMean, ACC_nightandday_mg_wei - matching day summaries with person summary outputs
Hi Vincent, I believe that I have resolved this issue but will double check and provide a
Jun 2
Vincent van Hees
,
Callum Regan
2
May 19
Re: [GGIR] Output not being produced for all participant files
Dear Vincent, Thank you for your reply. I realised my mistake and amended accordingly. Many thanks,
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Re: [GGIR] Output not being produced for all participant files
Dear Vincent, Thank you for your reply. I realised my mistake and amended accordingly. Many thanks,
May 19
joeck...@gmail.com
,
Vincent van Hees
2
May 15
HDCZA algorithm made SPT and all sleep outputs abnormal
Hi Joanna, Lot's of researchers have successfully used HDCZA on wrist data in gravitational units
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HDCZA algorithm made SPT and all sleep outputs abnormal
Hi Joanna, Lot's of researchers have successfully used HDCZA on wrist data in gravitational units
May 15
Jenny Moreno
,
Vincent van Hees
2
May 15
Advanced Sleep log duplicate dates error
Dear Jenny, The documentation states that sleep onset times or time of going to bed after midnight
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Advanced Sleep log duplicate dates error
Dear Jenny, The documentation states that sleep onset times or time of going to bed after midnight
May 15
Arpita Ghorai
,
Vincent van Hees
2
May 15
Issue Retrieving SRI2 Values in Updated GGIR Version
Dear Arpita, I've been having some trouble obtaining the correct SRI results with the updated
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Issue Retrieving SRI2 Values in Updated GGIR Version
Dear Arpita, I've been having some trouble obtaining the correct SRI results with the updated
May 15
joeck...@gmail.com
,
Vincent van Hees
2
May 1
Error when trying to use backup.cal.coef: Error in filesummary[vi + 1] <- C$QCmessage : replacement has length zero
Dear Joanna, Your approach to the problem sounds correct. I see GGIR matches the coefficients by
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Error when trying to use backup.cal.coef: Error in filesummary[vi + 1] <- C$QCmessage : replacement has length zero
Dear Joanna, Your approach to the problem sounds correct. I see GGIR matches the coefficients by
May 1
Julia ZZ
, …
Vincent van Hees
5
May 1
Have issues in generating file summary reports
Hi Ben Given that your accelerometers are typically not worn during the night you may want to
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Have issues in generating file summary reports
Hi Ben Given that your accelerometers are typically not worn during the night you may want to
May 1
Emilia Eliasson
,
Vincent van Hees
4
May 1
dur_day_spt_min not equal to 1440 min (in midnight-midnight reports)
HI Emilia, This should now be fixed in GGIR release 3.2-6. See also my response to https://groups.
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dur_day_spt_min not equal to 1440 min (in midnight-midnight reports)
HI Emilia, This should now be fixed in GGIR release 3.2-6. See also my response to https://groups.
May 1
Rosalind Ge
,
Vincent van Hees
2
May 1
Extracting Lux Data in Axivity csv File
Hi Rosalind, You are correct in exploring the "rmc." parameters to read the file, but
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Extracting Lux Data in Axivity csv File
Hi Rosalind, You are correct in exploring the "rmc." parameters to read the file, but
May 1
ZHANG JIAQI
,
Vincent van Hees
6
May 1
Viariable "dur_day_spt_min" in part5_personsummary_MM
Dear Jiaqi, Thanks for reporting back. Yes, if the definition of a day window changes as was the case
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Viariable "dur_day_spt_min" in part5_personsummary_MM
Dear Jiaqi, Thanks for reporting back. Yes, if the definition of a day window changes as was the case
May 1
Naomi Chapman
,
Vincent van Hees
2
Apr 21
Analyses of Physical activity - no sleep data and activity thresholds
Hi Naomi, The GGIR documentation should answer all your questions. For example here, here, and here.
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Analyses of Physical activity - no sleep data and activity thresholds
Hi Naomi, The GGIR documentation should answer all your questions. For example here, here, and here.
Apr 21
Joe Winer
,
Vincent van Hees
11
Apr 10
advanced sleep log error
Hi Vincent, Apologies for the delay in responding. I wanted to follow up on the sleep log issues I
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advanced sleep log error
Hi Vincent, Apologies for the delay in responding. I wanted to follow up on the sleep log issues I
Apr 10
Jenny Moreno
Apr 10
Daytime naps in preschoolers
Hi Vincent- We are collecting 10 days of wrist worn actigraph data on 3-4 year olds and want to
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Daytime naps in preschoolers
Hi Vincent- We are collecting 10 days of wrist worn actigraph data on 3-4 year olds and want to
Apr 10
Jet Taylor
,
Vincent van Hees
2
Apr 9
Need help with qwindow activity log. Keep getting error 'hourinday' not found
Hello Jet, Could please do the following steps: - Try to reproduce the error by running the following
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Need help with qwindow activity log. Keep getting error 'hourinday' not found
Hello Jet, Could please do the following steps: - Try to reproduce the error by running the following
Apr 9
Camila Colvara
,
Vincent van Hees
2
Apr 9
Comparison of SRI now and 10 years ago
Hi Camila, The only solution is to reprocess your data. It may further be good to mention that
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Comparison of SRI now and 10 years ago
Hi Camila, The only solution is to reprocess your data. It may further be good to mention that
Apr 9
Mayank Ramchandani
,
Vincent van Hees
2
Apr 9
Calculation of Relative Amplitude Using L5Value and M10Value
Hi Mayank, GGIR does not calculate RA. I assumed that GGIR users would be able to calculate it
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Calculation of Relative Amplitude Using L5Value and M10Value
Hi Mayank, GGIR does not calculate RA. I assumed that GGIR users would be able to calculate it
Apr 9
Kelsey Sewell
,
Vincent van Hees
2
Apr 4
Variables contained in part5 person summary output
Hi Kelsey and Audrey, The average acceleration cannot be calculated if no time is spent in a
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Variables contained in part5 person summary output
Hi Kelsey and Audrey, The average acceleration cannot be calculated if no time is spent in a
Apr 4
Ines Ebner
,
Vincent van Hees
2
Apr 4
GGIR Part5 – Incomplete 24h days not included in summary
This is intentional, including incomplete days when doing time use analysis, as part 5 does, will
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GGIR Part5 – Incomplete 24h days not included in summary
This is intentional, including incomplete days when doing time use analysis, as part 5 does, will
Apr 4