Results 181 to 190 of about 726,750 (291)

Modelling the purchase dynamics of insurance customers using Markov chains

open access: yes, 2005
This paper considers how various types of Markov chains can be used to help forecast the purchase behaviour of customers. The models are used in a case study of the purchase behaviour of the customers of a major insurance company.
Thomas, Lyn C.   +3 more
core  

Building phenotypic character matrices for phylogenetic inference: exploration of 35 years of practice

open access: yesBiological Reviews, Volume 101, Issue 5, Page 2379-2407, October 2026.
ABSTRACT Recent methodological development in phylogenetic inference has focused predominantly on molecular data. However, renewed interest in other data types, particularly morphological data, has followed from the increased recognition of the power of total evidence and tip‐dating approaches, including fossil data, for inference of time‐scaled trees ...
Melanie J. Hopkins   +9 more
wiley   +1 more source

Economic value and clinical role of minimally invasive, biopsy‐based diagnostics in non‐small cell lung cancer

open access: yesCancer Cytopathology, Volume 134, Issue 10, October 2026.
Abstract Background Precision oncology requires diagnostic sampling that delivers molecularly actionable material quickly and safely. In non‐small cell lung cancer (NSCLC), core‐needle biopsy (CNB) remains common. Yet fine‐needle aspiration (FNA) has re‐emerged with rapid on‐site evaluation (ROSE), optimized cell blocks, and next‐generation sequencing.
Jiayuan Guo   +4 more
wiley   +1 more source

Stochastic Gradient Descent in High Dimensions for Multi‐Spiked Tensor PCA

open access: yesCommunications on Pure and Applied Mathematics, Volume 79, Issue 10, Page 2291-2369, October 2026.
ABSTRACT We study the high‐dimensional dynamics of online stochastic gradient descent (SGD) for the multi‐spiked tensor model. This multi‐index model arises from the tensor principal component analysis (PCA) problem with multiple spikes, where the goal is to estimate the unknown signal vectors within the N$N$‐dimensional unit sphere through maximum ...
Gérard Ben Arous   +2 more
wiley   +1 more source

A Quantitative Comparison of Two Methods for Higher-Order EEG Microstate Syntax Analysis. [PDF]

open access: yesBrain Topogr
von Wegner F   +4 more
europepmc   +1 more source

Hitting Times in the Binomial Random Graph

open access: yesJournal of Graph Theory, Volume 113, Issue 2, Page 377-393, October 2026.
ABSTRACT Fix k ≥ 2 k\unicode{x02265}2, choose log n n ( k − 1 ) ∕ k ≤ p ≤ 1 − Ω ( log 4 n n ) Bertille Granet   +2 more
wiley   +1 more source

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