compute_ratio

Calculate the intra/inter batch dispersion ratio indicator on convex hulls
of a single variable.

Provides methods for analyzing the dispersion of tabular datasets
with batched and ordered samples. Based on convex hull or integrated covariance
Mahalanobis, several indicators are implemented for inter and intra batch dispersion
analysis. It is designed to facilitate robust statistical assessment of data
variability, supporting applications in exploratory data analysis and quality
control, for such datasets as the one found in metabololomics studies.
For more details see Salanon (2024) <doi:10.1016/j.chemolab.2024.105148> and
Salanon (2025) <doi:10.1101/2025.08.01.668073>.

Etienne Jules

dispersionIndicators

Indicators for the Analysis of Dispersion of Datasets with
Batched and Ordered Samples

Brice Mulot

Elfried Salanon

INRAE (Institut national de recherche pour l'agriculture, l'alimentation et l'environnement) 

compute_ratio function

<dl><dt>intraB_disp</dt>
<dd>value of intra batch dispersion indicator.</dd>
<dt>interB_disp</dt>
<dd>value of inter batch dispersion indicator.</dd></dl>

Arguments

Calculate the intra/inter batch dispersion ratio indicator on convex hulls
of a single variable. — compute_ratio

<dl>

<dt>intraB_disp</dt>
<dd>value of intra batch dispersion indicator.</dd>


<dt>interB_disp</dt>
<dd>value of inter batch dispersion indicator.</dd>

</dl>

compute_ratio: Calculate the intra/inter batch dispersion ratio indicator on convex hulls of a single variable.

Description

Usage

Value

Arguments