ActivityIndex0.3.7 package

Activity Index Calculation using Raw 'Accelerometry' Data

computeActivityIndex

Compute Activity Index

print.ActivityIndex

Print method for token

ReadGT3XPlus

Read the raw tri-axial accelerometry data csv file by ActiGraph GT3X+.

ReadTable

Read the raw tri-axial accelerometry data csv file.

Sigma0

σˉi\bar{\sigma}_i computing using raw accelerometry data

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Reads raw 'accelerometry' from 'GT3X+' data and plain table data to calculate Activity Index from 'Bai et al.' (2016) <doi:10.1371/journal.pone.0160644>. The Activity Index refers to the square root of the second-level average variance of the three 'accelerometry' axes.

  • Maintainer: Jiawei Bai
  • License: GPL-3
  • Last published: 2021-01-11