Practical performance of local likelihood for circular density estimation

Autor: Agnese Panzera, Stefania Fensore, M. Di Marzio, Charles C. Taylor
Rok vydání: 2016
Předmět:
Zdroj: Journal of Statistical Computation and Simulation. 86:2560-2572
ISSN: 1563-5163
0094-9655
DOI: 10.1080/00949655.2016.1149588
Popis: Local likelihood has been mainly developed from an asymptotic point of view, with little attention to finite sample size issues. The present paper provides simulation evidence of how likelihood density estimation practically performs from two points of view. First, we explore the impact of the normalization step of the final estimate, second we show the effectiveness of higher order fits in identifying modes present in the population when small sample sizes are available. We refer to circular data, nevertheless it is easily seen that our findings straightforwardly extend to the Euclidean setting, where they appear to be somehow new.
Databáze: OpenAIRE