optimisation – NIRPY Research https://nirpyresearch.com Statistical learning and chemometrics in Python Sun, 20 Sep 2026 09:08:12 +0000 en-AU hourly 1 https://wordpress.org/?v=7.1.3 https://nirpyresearch.com/wp-content/uploads/2019/07/apple-icon-152x152-1-150x150.png optimisation – NIRPY Research https://nirpyresearch.com 32 32 On the calculation of the entropy of a signal https://nirpyresearch.com/calculation-entropy-signal/ Fri, 03 Apr 2026 05:53:30 +0000 https://nirpyresearch.com/?p=3516 The calculation of the information entropy requires an arbitrary step in the computation of the histogram of a signal. Here's some more details on this technical step.]]> Spectra smoothing based on information entropy https://nirpyresearch.com/spectra-smoothing-based-on-information-entropy/ Sat, 17 Jan 2026 07:34:28 +0000 https://nirpyresearch.com/?p=3426 The concept of information entropy can be used to optimise the parameters of your smoothing function. Here's an idea on how to do that. ]]> Principal Component Regression in Python https://nirpyresearch.com/principal-component-regression-python/ Fri, 11 May 2018 21:11:15 +0000 http://www.idtools.com.au/?p=1113 An in-depth introduction to Principal Component Regression in Python using NIR data. PCR is the combination of PCA with linear regression. Check it out.]]>