v0.4.0

I am happy to release the next version of chemometrics 0.4.0. It contains a number of new features, improvements in documentation and bug fixes.

You can upgrade with pip:

pip install -U chemometrics

Major new features

• Indirect hard modelling is introduced with two classes chemometrics.IHM and chemometrics.IHMRegression
• PCA and fit_pca are added providing a variety of analytical plots and functions
• Rework of code structure for analytical plots & functions of latent variable models