I love how PCA results differ widely depending on whether you normalise input data or not, and whether you apply it to the covariance or correlation matrix. I think figuring the correct approach out for this dataset might be a tomorrow problem. If anyone has a great go-to resource, please link me!

#statistics #PCA #multivariateStatistics

Excited to share that this July I will be hosting a symposium on network psychometrics at IMPS, Prague, where I will present with @liu_thorsten, Ria Hoekstra, @bsiepe, Tatiana Kvetnaya, and Kai Nehler about our latest work! #RStats #EMA #ExperienceSampling #statistics #IMPS#Psychometrics #Networks #SEM #IRT#DynamicalSystems #MultivariateStatistics