Statistical analysis

01/20/2019
mahalanobis-distance-pca

Detecting outliers using the Mahalanobis distance with PCA in Python

How do we make sure we are detecting only true outliers and not cherry-picking from the data? Here's a method based on the Mahalanobis distance with PCA.
01/03/2019
NIR data correlograms with Seaborn in Python

NIR data correlograms with Seaborn in Python

Exploratory analysis is an essential part of data analysis. Learn a handy way to explore your dataset with NIR data correlograms with Seaborn in Python.
04/02/2018
3D network graphs with Python and the mplot3d toolkit

3D network graphs with Python and the mplot3d toolkit

A worked example of a simple animated 3D scatter plot using the mplot3d toolkit of Matplotlib in Python.
03/23/2018
Classification of NIR spectra using Principal Component Analysis in Python

Classification of NIR spectra using Principal Component Analysis in Python

An in-depth tutorial on how to run a classification of NIR spectra using Principal Component Analysis in Python. Step by step example with code.
12/06/2016

Quantitative porosity analysis of volumetric data

Extract the quantitative pore size distribution from 3D scans of porous samples.