---
data_dictionary: postural-sway.txt

copyright: >
  Permission is granted to freely use material on the OzDASL site, although
  acknowledgement of the OzDASL site as the data source would be appreciated. 
  Please be aware though that some of the OzData data sets were originally 
  published elsewhere; original sources are cited on the description page. If 
  you intend to re-publish one of these data sets it may be necessary to obtain 
  permission from the original copyright holder.

description: >
  Postural sway is a measure of how well patients can balance. The postural sway
  was measured using a force plate in two groups of subjects, elderly or young.
  Sway was measured in the forward/back direction and in the side-to-side
  direction.

additional_description:
  https://gksmyth.github.io/ozdasl/general/balaconc.html

download_url:
  https://gksmyth.github.io/ozdasl/general/balaconc.txt

format:
  tab delimited

varnames: 
  Included in the first line
  
missing_value_code:
  not needed
  
size:   
  rows: 17
  columns: 3

vars:
  Age:
    scale: nominal
    values:
      - Elderly
      - Young
      
  FBSway:
    label: Sway in the forward-backward direction
    scale: ratio
    range: positive real

  SideSway:
    label: Sway in the side-to-side direction
    scale: ratio
    range: positive real
---