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activpalProcessing (version 1.0.2)

Process activPAL Events Files

Description

Performs estimation of physical activity and sedentary behavior variables from activPAL (PAL Technologies, Glasgow, Scotland) events files. See for more information on the activPAL.

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Version

Install

install.packages('activpalProcessing')

Monthly Downloads

14

Version

1.0.2

License

GPL-2 | GPL-3

Maintainer

Kate Lyden

Last Published

December 14th, 2016

Functions in activpalProcessing (1.0.2)

identifySubjects

Identify Subjects in Study

activpal events data

guideline.bouts.min

Estimate Minutes Spent in Bouts of Activity that Qualify Towards Meeting the Physical Activity Guidelines

Example Log of Subjects

Estimate Time in Moderate-to-Vigorous Intensity Activity

PhysicalActivityIntervention_8_1

Example AP Events File

PhysicalActivityIntervention_7_2

Example AP Events File

second.by.second.data

Second-by-second data frame

Read in on/off log and Identify on/off Times in Second-by-Second AP Events File

PhysicalActivityIntervention_7_1

Example AP Events File

second.by.second

Convert AP Events File to a Second-By-Second File

prolonged.sed.bouts.min

Estimate Time in Prolonged Sedentary Bouts

prolonged.sed.bouts.num

Estimate The Number of Prolonged Sedentary Bouts

Example of a Bed Log

Example on/off Log

Estimate Time in Sedentary

Estimate Time Spent Standing

Process AP Data

PhysicalActivityIntervention_8_2

Example AP Events File

Estimate Time Spent Stepping

Read in bed log and Identify Wake/Sleep Times in Second-by-Second AP Events File

Estimate Time in Light Intensity Activity

activpal.file.reader

Read in activPAL Events File

identifyDirectory

Identify Working Directory

Identify Study Name

Estimate the Number of Sit to Stand Transitions

Identify Visits in Study

guideline.bouts.num

Estimate the Number of Bouts of Activity that Qualify Towards Meeting the Physical Activity Guidelines