ctivity in each epoch.</p>
<p>Figure <a href="activity.html#fig:genea-one-day">6.3</a> shows the development of ENMO over one day, as sampled by GENEActiv accelerometers that were worn by a young adult (top) and a middle-aged person (bottom). This figure is much easier to interpret than the plot of the raw x-y-z values in Figure <a href="activity.html#fig:genea-one-hour">6.2</a>. Activity levels over the day follow a similar pattern, but the activity levels in the two plots are strikingly different. Age app