Results 101 to 110 of about 24,371 (146)

Estimating continuous-time income models [PDF]

open access: yes
While earning processes are commonly unobservable income flows which evolve in continuous time, observable income data are usually discrete, having been aggregated over time.
Schluter, Christian, Trede, Mark
core  

Stochastic Modeling of Adaptive Trait Evolution in Phylogenetics: A Polynomial Regression and Approximate Bayesian Computation Approach

open access: yesMathematics
In nature, closely related species often exhibit diverse characteristics, challenging simplistic line interpretations of trait evolution. For these species, the evolutionary dynamics of one trait may differ markedly from another, with some traits ...
Dwueng-Chwuan Jhwueng, Chia-Hua Chang
doaj   +1 more source

Modeling Dynamic Regime Shifts in Diffusion Processes: Approximate Maximum Likelihood Estimation for Two-Threshold Ornstein–Uhlenbeck Models

open access: yesMathematics
This study addresses the problem of estimating parameters in a two-threshold Ornstein–Uhlenbeck diffusion process, a model suitable for describing systems that exhibit changes in dynamics when crossing specific boundaries. Such behavior is often observed
Svajone Bekesiene   +2 more
doaj   +1 more source

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