Europe PMC

Applying univariate vs. multivariate statistics to investigate therapeutic efficacy in (pre)clinical trials: A Monte Carlo simulation study on the example of a controlled ...

Small sample sizes combined with multiple correlated endpoints pose a major challenge in the statistical analysis of preclinical neurotrauma studies. The standard approach of applying univariate tests ...
Europe PMC

A graphical method to evaluate spectral preprocessing in multivariate regression calibrations: example with Savitzky-Golay filters and partial least squares regression.

In multivariate regression analysis of spectroscopy data, spectral preprocessing is often performed to reduce unwanted background information (offsets, sloped baselines) or accentuate absorption ...
GitHub

multivariate_regression_example_pulmonary_data.R

multivariate_regression_example_pulmonary_data.R Top Code Blame 257 lines (216 loc) · 9.23 KB Raw Edit and raw actions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ...
The Earth Institute Columbia University

Rules of calculus - multivariate

In the real world, it is very difficult to explain behavior as a function of only one variable, and economics is no different. More specific economic interpretations will be discussed in the next ...
Scientific Research Publishing

Husson, F., Le, S., & Pagès, J. (2017). Exploratory Multivariate Analysis by Example Using R (2nd ed.). Chapman and Hall/CRC.

ABSTRACT: This study assesses the chemical quality of water resources in the Lower Senegal River valley, based on 35 samples collected in November 2022. Major ion concentrations in surface water and ...
Simon Fraser University

Example: Contrasting Univariate and Multivariate Analyses

Consider the two classes indicated by `H' and `O' in Figure 7.1. The results are shown in Figure 7.2. data random; drop n; Group = 'H'; do n = 1 to 20; X = 4.5 + 2 * normal(57391); Y = X + .5 + normal ...
GitHub

Example estimate_multivariate_normal: FittingTest::BestModelBIC fails to compute the BIC

In the example Estimate a multivariate distribution, generated from estimate_multivariate_distribution.ipynb, cell 8, copulas are built from 2D marginals of a 4D Sample. The method BestModelBIC of the ...