2 papers
stat.AP2024
Hypothesis-driven mediation analysis for compositional data: an application to gut microbiome
Noora Kartiosuo, Jaakko Nevalainen, Olli Raitakari +2
Biological sequencing data consist of read counts, e.g. of specified taxa and often exhibit sparsity (zero-count inflation) and overdispersion (extra-Poisson variability). As most…
stat.ME2024
On the distribution of isometric log-ratio transformations under extra-multinomial count data
Noora Kartiosuo, Joni Virta, Jaakko Nevalainen +2
Compositional data arise when count observations are normalised into proportions adding up to unity. To allow use of standard statistical methods, compositional proportions can be…