Academic literature on the topic 'Zero-inflated distribution'
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Journal articles on the topic "Zero-inflated distribution"
Wagh, Yogita S., and Kirtee K. Kamalja. "Zero-inflated models and estimation in zero-inflated Poisson distribution." Communications in Statistics - Simulation and Computation 47, no. 8 (August 4, 2017): 2248–65. http://dx.doi.org/10.1080/03610918.2017.1341526.
Full textKrishna, Patil Maruti, and Shirke Digambar Tukaram. "Bivariate Zero-Inflated Power Series Distribution." Applied Mathematics 02, no. 07 (2011): 824–29. http://dx.doi.org/10.4236/am.2011.27110.
Full textNanjundan, G., and Sadiq Pasha. "Characterization of Zero-inflated Gamma Distribution." Journal of Computer and Mathematical Sciences 9, no. 12 (December 4, 2018): 1861–65. http://dx.doi.org/10.29055/jcms/932.
Full textBrobbey, Anita, Aerambamoorthy Thavaneswaran, and Saumen Mandal. "Wrapped Zero-inflated Poisson Distribution and Its Properties." International Journal of Statistics and Probability 5, no. 1 (December 24, 2015): 111. http://dx.doi.org/10.5539/ijsp.v5n1p111.
Full text文, 静蕊. "Variable Selection of Zero-Inflated Geometric Distribution." Advances in Applied Mathematics 10, no. 04 (2021): 1243–54. http://dx.doi.org/10.12677/aam.2021.104135.
Full textThas, Olivier, and J. C. W. Rayner. "Smooth Tests for the Zero-Inflated Poisson Distribution." Biometrics 61, no. 3 (May 3, 2005): 808–15. http://dx.doi.org/10.1111/j.1541-0420.2005.00351.x.
Full textKolev, Nikolai, and Ljuben Mutafchiev. "A zero-inflated occupancy distribution: exact results and Poisson convergence." International Journal of Mathematics and Mathematical Sciences 2003, no. 28 (2003): 1771–82. http://dx.doi.org/10.1155/s0161171203209017.
Full textConstantinescu, Corina D., Tomasz J. Kozubowski, and Haoyu H. Qian. "Probability of ruin in discrete insurance risk model with dependent Pareto claims." Dependence Modeling 7, no. 1 (July 11, 2019): 215–33. http://dx.doi.org/10.1515/demo-2019-0011.
Full textPark, Seong-min, and Bonnie S. Fisher. "Understanding the Effect of Immunity on Over-Dispersed Criminal Victimizations: Zero-Inflated Analysis of Household Victimizations in the NCVS." Crime & Delinquency 63, no. 9 (October 6, 2015): 1116–45. http://dx.doi.org/10.1177/0011128715607534.
Full textThavaneswaran, Aerambamoorthy, Saumen Mandal, and Dharini Pathmanathan. "Estimation for Wrapped Zero Inflated Poisson and Wrapped Poisson Distributions." International Journal of Statistics and Probability 5, no. 3 (April 8, 2016): 1. http://dx.doi.org/10.5539/ijsp.v5n3p1.
Full textDissertations / Theses on the topic "Zero-inflated distribution"
Wan, Chung-him, and 溫仲謙. "Analysis of zero-inflated count data." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43703719.
Full textWan, Chung-him. "Analysis of zero-inflated count data." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43703719.
Full textDai, Xiaogang. "Score Test and Likelihood Ratio Test for Zero-Inflated Binomial Distribution and Geometric Distribution." TopSCHOLAR®, 2018. https://digitalcommons.wku.edu/theses/2447.
Full textPailden, Junvie Montealto. "Applications of Empirical Likelihood to Zero-Inflated Data and Epidemic Change Point." Bowling Green State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1367579613.
Full textFan, Huihao. "Test of Treatment Effect with Zero-Inflated Over-Dispersed Count Data from Randomized Single Factor Experiments." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1407404513.
Full textIbukun, Michael Abimbola. "Modely s Touchardovým rozdělením." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-445468.
Full textSilva, João Flávio Andrade. "Modelos preditivos para LGD." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/104/104131/tde-13112018-084000/.
Full textFinancial institutions willing to use the advanced Internal Ratings Based (IRB) need to develop methods to estimate the LGD (Loss Given Default) risk component. Proposals for PD (Probability of default) modeling have been presented since the 1950s, in contrast, LGDs forecast has received more attention only after the publication of the Basel II Accord. LGD also has a small literature, compared to PD, and there is no efficient method in terms of accuracy and interpretation such as logistic regression for PD. Regression models for LGD play a key role in the risk management of financial institutions, due to their importance this work proposes a methodology to quantify the LGD risk component. Considering the characteristics reported on the distribution of LGD and in the flexible form that the beta distribution may assume, we propose a methodology for estimation of LGD using the zero inflated bimodal beta regression model. We developed the zero inflated bimodal beta distribution, presented some properties, including moments, defined estimators via maximum likelihood and constructed the regression model for this probabilistic model, presented asymptotic confidence intervals and hypothesis test for this model, as well as selection criteria of models, we performed a simulation study to evaluate the performance of the maximum likelihood estimators for the parameters of the zero inflated bimodal beta distribution. For comparison with our proposal we selected the beta regression models and inflated beta regression, which are more usual approaches, and the SVR algorithm, due to the significant superiority reported in other studies.
Zbylut, Joanna. "Modeling proportions to assess the soil nematode community structure in a two year alfalfa crop." Kansas State University, 2014. http://hdl.handle.net/2097/17327.
Full textDepartment of Statistics
Leigh Murray
The southern root-knot nematode (SRKN) and the weedy perennials, yellow nutsedge (YNS) and purple nutsedge (PNS) are simultaneously occurring pests in the irrigated agricultural soils of southern New Mexico. Previous research has very well characterized SRKN, YNS and PNS as a mutually-beneficial pest complex and has revealed their enhanced population growth and survival when they occur together. The density of nutsedge in a field could be used as a predictor of SRKN juveniles in the soil. In addition to SRKN, which is the most harmful of the plant parasitic nematodes, in southern New Mexico, other species or categories of nematodes could be identified and counted. Some of them are not as damaging to the plant as SRKN, and some of them may be essential for soil health. The nematode species could be grouped into categories according to trophic level (what nematodes eat) and herbivore feeding behavior (how herbivore nematodes eat). Subsequently, three ratios of counts were calculated for trophic level and for feeding behavior level to investigate the soil nematode community structure. These proportions were modeled as functions of the weed hosts YNS and PNS by generalized linear regression models using the logit link function and three probability distributions: the Binomial, Zero Inflated Binomial (ZIB) and Binomial Hurdle (BH). The latter two were used to account for potential high proportions of zeros in the data. The SAS NLMIXED procedure was used to fit models for each of the six sampling dates (May, July and September) over the two years of the alfalfa study. General results showed that the Binomial pmf generally provided the best fit, indicating lower zero-inflation than expected. Importance of YNS and PNS predictors varied over time and the different ratios. Specific results illustrate the differences in estimated probabilities between Binomial, ZIB and BH distributions as YNS counts increase for two selected ratios.
Ljung, Carolina, and Maria Svedberg. "Estimation of Loss Given Default Distributions for Non-Performing Loans Using Zero-and-One Inflated Beta Regression Type Models." Thesis, KTH, Matematisk statistik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-273593.
Full textDetta examensarbete undersöker tre olika metoder för att estimera förlusten vid fallissemang för icke-presterande konsumentlån. Detta som ett bidrag till en kreditrisksmodell i enlighet med bestämmelserna i Baselregelverken, som bland annat reglerar kapitalkraven för europeiska finansiella institut. Inledningsvis tillämpas multipel linjär regression, därefter implementeras två versioner av utvidgad betaregression, med och utan bayesiansk inferens. Resultatet bekräftar att modellering data för förlust givet fallissemang är utmanande, men visar även att den utvidgade betaregressionen utan bayesiansk inferens är bättre de andra modellerna. Det ska dock tilläggas att alla modeller visade svårigheter att estimera lån med låg risk, medan tillförlitligheten hos lån med hög risk, vilka generellt sett medför större förluster, var högre. Vidare rekommenderas det för framtida forskning att inkludera makroekonomiska variabler i modellerna för att fånga ekonomiska nedgångar samt att implementera beslutsträd, exempelvis genom applicering av maskininlärning.
Silva, Deise Deolindo. "Classe de distribuições série de potências inflacionadas com aplicações." Universidade Federal de São Carlos, 2009. https://repositorio.ufscar.br/handle/ufscar/4536.
Full textThis work has as central theme the Inflated Modified Power Series Distributions, where the objective is to study its main properties and the applicability in the bayesian context. This class of models includes the generalized Poisson, binomial and negative binomial distributions. These probability distributions are very helpful to models discrete data with inflated values. As particular case the - zero inflated Poisson models (ZIP) is studied, where the main purpose was to verify the effectiveness of it when compared to the Poisson distribution. The same methodology was considered for the negative binomial inflated distribution, but comparing it with the Poisson, negative binomial and ZIP distributions. The Bayes factor and full bayesian significance test were considered for selecting models.
Este trabalho tem como tema central a classe de distribuições série de potências inflacionadas, em que o intuito é estudar suas principais propriedades e a aplicabilidade no contexto bayesiano. Esta classe de modelos engloba as distribuições de Poisson, binomial e binomial negativa simples e as generalizadas e, por isso é muito aplicada na modelagem de dados discretos com valores excessivos. Como caso particular propôs-se explorar a distribuição de Poisson zero inflacionada (ZIP), em que o objetivo principal foi verificar a eficácia de sua modelagem quando comparada à distribuição de Poisson. A mesma metodologia foi considerada para a distribuição binomial negativa inflacionada, mas comparando-a com as distribuições de Poisson, binomial negativa e ZIP. Como critérios formais para seleção de modelos foram considerados o fator de Bayes e o teste de significância completamente bayesiano.
Book chapters on the topic "Zero-inflated distribution"
Bhattacharya, Archan, Bertrand S. Clarke, and Gauri S. Datta. "A Bayesian test for excess zeros in a zero-inflated power series distribution." In Beyond Parametrics in Interdisciplinary Research: Festschrift in Honor of Professor Pranab K. Sen, 89–104. Beachwood, Ohio, USA: Institute of Mathematical Statistics, 2008. http://dx.doi.org/10.1214/193940307000000068.
Full textJunnumtuam, Sunisa, Sa-Aat Niwitpong, and Suparat Niwitpong. "The Bayesian Confidence Interval for the Mean of the Zero-Inflated Poisson Distribution." In Lecture Notes in Computer Science, 419–30. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-62509-2_35.
Full textAraldi, Alessandro, Alessandro Venerandi, and Giovanni Fusco. "Count Regression and Machine Learning Approach for Zero-Inflated Over-Dispersed Count Data. Application to Micro-Retail Distribution and Urban Form." In Computational Science and Its Applications – ICCSA 2020, 550–65. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58811-3_40.
Full textYee, Thomas W. "Zero-Inflated, Zero-Altered and Positive Discrete Distributions." In Springer Series in Statistics, 469–97. New York, NY: Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-2818-7_17.
Full textPalazzo, Lucio, Pietro Sabatino, and Riccardo Ievoli. "Determinants of social startups in Italy." In Proceedings e report, 85–90. Florence: Firenze University Press, 2021. http://dx.doi.org/10.36253/978-88-5518-304-8.18.
Full textTse, Siu, Shein Chow, and Qingshu Lu. "Zero-Inflated Poisson Distribution." In Encyclopedia of Biopharmaceutical Statistics, Third Edition, 1436–42. CRC Press, 2012. http://dx.doi.org/10.1201/b14674-232.
Full textTse, Siu Keung, Shein Chung Chow, and Qingshu Lu. "Zero-Inflated Poisson Distribution." In Encyclopedia of Biopharmaceutical Statistics, 1436–42. Informa Healthcare, 2010. http://dx.doi.org/10.3109/9781439822463.230.
Full textStewart Sparks, Ross, and Hossein Hazrati-Marangaloo. "Exponentially Weighted Moving Averages of Counting Processes When the Time between Events Is Weibull Distributed." In Quality Control in Intelligent Manufacturing [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.90873.
Full text"3 INFLATED ZERO DISTRIBUTIONS." In Truncated and Censored Samples, 258. CRC Press, 2016. http://dx.doi.org/10.1201/b16946-109.
Full textAhmad, Peer Bilal. "Bayesian Analysis of Zero-Inflated Generalized Power Series Distributions Under Different Loss Functions." In Bayesian Analysis and Reliability Estimation of Generalized Probability Distributions, 1–12. AIJR Publisher, 2019. http://dx.doi.org/10.21467/books.44.1.
Full textConference papers on the topic "Zero-inflated distribution"
Yamrubboon, Darika, Ampai Thongteeraparp, Winai Bodhisuwan, and Katechan Jampachaisri. "Zero inflated negative binomial-Sushila distribution and its application." In PROCEEDINGS OF THE 13TH IMT-GT INTERNATIONAL CONFERENCE ON MATHEMATICS, STATISTICS AND THEIR APPLICATIONS (ICMSA2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5012263.
Full textEconomou, T., Z. Kapelan, and T. Bailey. "A Zero-Inflated Bayesian Model for the Prediction of Water Pipe Bursts." In Water Distribution Systems Analysis 2008. Reston, VA: American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41024(340)61.
Full textSirichantra, Chutima, and Winai Bodhisuwan. "Parameter estimation of the zero inflated negative binomial beta exponential distribution." In PROCEEDINGS OF THE 13TH IMT-GT INTERNATIONAL CONFERENCE ON MATHEMATICS, STATISTICS AND THEIR APPLICATIONS (ICMSA2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5012260.
Full textKong, Shufeng, Junwen Bai, Jae Hee Lee, Di Chen, Andrew Allyn, Michelle Stuart, Malin Pinsky, Katherine Mills, and Carla Gomes. "Deep Hurdle Networks for Zero-Inflated Multi-Target Regression: Application to Multiple Species Abundance Estimation." In Twenty-Ninth International Joint Conference on Artificial Intelligence and Seventeenth Pacific Rim International Conference on Artificial Intelligence {IJCAI-PRICAI-20}. California: International Joint Conferences on Artificial Intelligence Organization, 2020. http://dx.doi.org/10.24963/ijcai.2020/603.
Full textKaviyarasu, V., and A. Parimala. "Evaluation of Bayesian quick switching single sampling system using Gamma zero inflated Poisson distribution." In PROCEEDINGS OF INTERNATIONAL CONFERENCE ON ADVANCES IN MATERIALS RESEARCH (ICAMR - 2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0017657.
Full textNishii, Ryuei, and Shojiro Tanaka. "An application of novel zero-one inflated distributions with spatial dependence for the deforestation modeling." In IGARSS 2010 - 2010 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2010. http://dx.doi.org/10.1109/igarss.2010.5654397.
Full textTrashchenkov, Sergei, and Victor Astapov. "The applicability of zero inflated beta distributions for stochastic modeling of PV plants' power output." In 2018 19th International Scientific Conference on Electric Power Engineering (EPE). IEEE, 2018. http://dx.doi.org/10.1109/epe.2018.8395965.
Full textJaithun, Maneerat, and Manad Khamkong. "Optimal parameter estimation for zero–inflated gamma distributions with application to rainfall data of Yom River in Northern Thailand." In PROCEEDINGS OF THE 13TH IMT-GT INTERNATIONAL CONFERENCE ON MATHEMATICS, STATISTICS AND THEIR APPLICATIONS (ICMSA2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5012240.
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