Discussions

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  GGIR for short intervals of physical activity in children

  evystavelova-cell asked Apr 10, 2026 in Q&A · Unanswered

  

  

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  Issues with "allocating vector" error?

  jthebl started Mar 16, 2026 in General

  

  

  

  

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  GGIR on light physical activity (LPA)

  Alejunior asked Mar 28, 2026 in Q&A · Closed · Unanswered

  

  

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  Question about excluding non-study-period recordings in GGIR

  huilynelleshi-cmyk started Apr 17, 2026 in General

  

  

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  GGIR Part 4 crashes when using sleep log

  DaniHiam asked Feb 16, 2026 in Q&A · Closed · Unanswered

  

  

  

  

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  How to Make GGIR Use Sleep‑Log–Defined Wake‑Up Time as start_end_window in Part 5 (WW)

  huilynelleshi-cmyk asked Mar 25, 2026 in Q&A · Unanswered

  

  

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  Processing Garmin VivoSmart 5 data using GGIR

  jingducc-au asked Mar 24, 2026 in Q&A · Unanswered

  

  

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  Question regarding do.imp effects on inactivity and variable selection for average wear time in GGIR

  Malontax asked Feb 25, 2026 in Q&A · Unanswered

  

  

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  First measurement day not included when started after midnight?

  JeroenHasselaar asked Mar 24, 2026 in Q&A · Unanswered

  

  

  

  

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  Step counting for days with gaps/ windows <24hours?

  egnerc asked Mar 24, 2026 in Q&A · Closed · Unanswered

  

  

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  Issue: Intermittent "missing value where TRUE/FALSE needed" error in g.getmeta during CSV processing

  umbertomazzucchelli asked Aug 4, 2025 in Q&A · Unanswered

  

  

  

  

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  Data output in tabular form with timestamps and derived "sleep/rest" versus "wake/active" binary-data column?

  jthebl asked Apr 6, 2026 in Q&A · Closed · Unanswered

  

  

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  The difference between version 1.5.12 and version 3.3.4

  11jing asked Mar 31, 2026 in Q&A · Closed · Answered

  

  

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  GGIR thresholds for hip-worn ActiGraph gt3x data in toddlers aged 18 to 30 months

  LoreDaelman asked Mar 26, 2026 in Q&A · Closed · Answered

  

  

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  Defining Time zone issues

  jthebl started Mar 21, 2026 in General · Closed

  

  

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  Processing Derived Count Data For Sleep

  ppagan95 asked Feb 5, 2026 in Q&A · Unanswered

  

  

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  Part 2: Valid day being masked

  smartsox asked Feb 3, 2026 in Q&A · Closed · Answered

  

  

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  Non-wear time and timewindow

  Malontax asked Feb 12, 2026 in Q&A · Unanswered

  

  

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  Issues with incorrect dates from .gt3x files

  sastoyles asked Mar 18, 2026 in Q&A · Closed · Unanswered

  

  

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  Sleep log recognition/input issues

  jthebl started Mar 4, 2026 in General · Closed

  

  

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  UK Biobank RAP, GGIR runtime and limited parallelism with multiple cores

  ALTURKHAMZA asked Feb 10, 2026 in Q&A · Unanswered

  

  

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  Zero minutes of mod and vig PA when using Neishabouri counts

  aljochim asked Dec 5, 2025 in Q&A · Closed · Answered

  

  

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  The issue of fragmented sleep

  zhu0313 asked Jan 30, 2026 in Q&A · Closed · Answered

  

  

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  Seeking Clarification on Data Exclusion Principles Across GGIR Parts 2, 4, and 5

  zhu0313 asked Jan 30, 2026 in Q&A · Closed · Answered

  

  

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  Question about GGIR Part6_summary traits

  arpitaghorai asked Jan 30, 2026 in Q&A · Closed · Answered

  

  

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