nvar

Generic function to extract the number of variables from an object.

Provides functional control charts
for statistical process monitoring of functional data,
using the methods of Capezza et al. (2020) <doi:10.1002/asmb.2507>,
Centofanti et al. (2021) <doi:10.1080/00401706.2020.1753581>,
Capezza et al. (2024) <doi:10.1080/00224065.2024.2383674>,
Capezza et al. (2024) <doi:10.1080/00401706.2024.2327346>,
Centofanti et al. (2025) <doi:10.1080/00224065.2024.2430978>,
Capezza et al. (2025) <doi:10.48550/arXiv.2410.20138>.
The package is thoroughly illustrated in the paper of
Capezza et al (2023) <doi:10.1080/00224065.2023.2219012>.

Christian Capezza

funcharts

Functional Control Charts

Fabio Centofanti

Davide Forcina

Antonio Lepore

Biagio Palumbo

Alessandra Menafoglio

Simone Vantini

nvar function

<dl><dt>object</dt>
<dd>An object from which to extract the number of variables.</dd>
<dt>...</dt>
<dd>Further arguments passed to methods (not used).</dd></dl>

Arguments

Number of variables — nvar

<dl>

<dt>object</dt>
<dd>An object from which to extract the number of variables.</dd>


<dt>...</dt>
<dd>Further arguments passed to methods (not used).</dd>

</dl>

nvar: Number of variables

Description

Usage

Arguments