نتایج جستجو برای: zero inflated poisson
تعداد نتایج: 184872 فیلتر نتایج به سال:
The Tweedie compound Poisson distribution is a mixture of a degenerate distribution at the origin and a continuous distribution on the positive real line. It has been applied in a wide range of fields in which continuous data with exact zeros regularly arise. Nevertheless, statistical inference based on full likelihood and Bayesian methods is not available in most statistical software, largely ...
Citation is considered as the most popular quality assessment metric for scientific papers, and it thus important to determine what factors promote citation count of a paper in comparison others same field. The main aim this study model counts research published SCI or SCI-Expanded journals Statistics field with growing number works Turkey. It well known that right-skewed nature makes classical...
In educational studies, the use of computer-based assessments leads to the collection of multiple outcomes to assess student performance. The student-specific outcomes are correlated and often measured in different scales, such as continuous and count outcomes. A multivariate zero-inflated model with random effects is proposed and adapted for the challenging situation where the multiple outcome...
Neem (Azadirachta indica) is an evergreen tree belonging to the Meliaceae family and highly infected by seasonal pest called Helopeltis theivora, tea mosquito bug. The study monitors infection between May 2019 April 2021 direct counting method. Weekly counts of insect population were found be correlated with weather parameters viz., maximum temperature (Tmax.), minimum (Tmin), relative humidity...
Aim: This study was conducted to model the relationship between discrete dependent variable (yellow stem borer population) and continuous weather variables.
 Data Description: The yellow (YSB) population standard meteorological week (SMW) wise variables (temperature, relative humidity, rainfall sunshine hours) data of Warangal centre (Telangana state) generated under All India Co-Ordinated...
As a hybrid of N-gram in natural language processing and collocation in statistical linguistics, multi-word is becoming a hot topic in area of text mining and information retrieval. In this paper, a study concerning distribution of multi-words is carried out to explore a theoretical basis for probabilistic term-weighting scheme. Specifically, the Poisson distribution, zero-inflated binomial dis...
Point counts are a common method for sampling avian distribution and abundance. Although methods for estimating detection probabilities are available, many analyses use raw counts and do not correct for detectability. We use a removal model of detection within an N-mixture approach to estimate abundance trends corrected for imperfect detection. We compare the corrected trend estimates to those ...
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