Tag: test-train split

Sample selection with the Puchwein algorithm

Data Operations and Plotting, Test-train split 07/11/2026 Daniel Pelliccia

The Puchwein algorithm is a distance-based iterative method that selects a maximally diverse subset of samples from a dataset. Here's an example for NIR spectroscopy.

[Continue Reading...]

The SPXY algorithm

Data Operations and Plotting, Test-train split, Variable Selection 04/19/2026 Daniel Pelliccia

SPXY is a deterministic splitting algorithm designed to incorporate information from both spectra and response. It's an extension of the Kennard-Stone method.

[Continue Reading...]

The Kennard-Stone algorithm

Data Operations and Plotting 10/15/2022 Daniel Pelliccia

The Kennard-Stone algorithm is a criterion to divide a dataset into a calibration and a validation subset. Here's an introduction to the method and a basic Python implementation.

[Continue Reading...]

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.

Necessary

Always Enabled

Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.

Cookie	Duration	Description
cookielawinfo-checkbox-analytics	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional	11 months	The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy	11 months	The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.

Functional

Performance

Analytics

Others