sddiff

Called by <code>segmentation</code>.

internal

Segmentation and classification procedures for data from the 'Activinsights GENEActiv' <https://activinsights.com/technology/geneactiv/> accelerometer that provides the user with a model to guess behaviour from test data where behaviour is missing.
Includes a step counting algorithm, a function to create segmented data with custom features and a function to use recursive partitioning provided in the function rpart() of the 'rpart' package to create classification models.

Charles Sweetland

GENEAclassify

Segmentation and Classification of Accelerometer Data

Chris Campbell

Aimee Gott

Joss Langford

Activinsights Ltd 

sddiff function

<dl><dt>x</dt>
<dd>vector of numeric values</dd>
<dt>na.rm</dt>
<dd>single logical should missing values be removed</dd></dl>

Arguments

Finding the standard deviation of the differences — sddiff

<dl>

<dt>x</dt>
<dd>vector of numeric values</dd>


<dt>na.rm</dt>
<dd>single logical should missing values be removed</dd>

</dl>

sddiff: Finding the standard deviation of the differences

Description

Usage

Value

Arguments

Examples