{"title":"Detecção de vulnerabilidade de estudantes do ensino fundamental público durante a pandemia de Covid-19 através de técnicas de agrupamento","authors":"Paula Ianishi","doi":"10.17648/wmecai-2021-130459","DOIUrl":"https://doi.org/10.17648/wmecai-2021-130459","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132752881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A influência das commodities no Ibovespa: em busca de um modelo preditivo","authors":"Carlos Eduardo Alonso","doi":"10.11606/D.55.2020.TDE-16022021-112830","DOIUrl":"https://doi.org/10.11606/D.55.2020.TDE-16022021-112830","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123482080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Nascimento, P. Ramos, Oilson A. Gonzatto, G. G. Ferreira, Patrícia P.M. de Castro, Renan S. Barbosa, Vinicius O. Boen, Vinicius H. Valentim, Luiz G. Silva, Mariana M. Gomes, Gleice S. C. Perdoná, F. Louzada
{"title":"Cancer Risk Assessment Tool: A new general model to estimate cure-rate fraction in patients under tumor therapy","authors":"D. Nascimento, P. Ramos, Oilson A. Gonzatto, G. G. Ferreira, Patrícia P.M. de Castro, Renan S. Barbosa, Vinicius O. Boen, Vinicius H. Valentim, Luiz G. Silva, Mariana M. Gomes, Gleice S. C. Perdoná, F. Louzada","doi":"10.1101/2020.08.27.20183285","DOIUrl":"https://doi.org/10.1101/2020.08.27.20183285","url":null,"abstract":"Cure fraction is not an easy task to be calculated relating probabilistic estimations to an event. For instance, cancer patients may abandon treatment, be cured, or die due to another illness, causing limitations regarding the information about the odds of cancer cure (related to the patient follow-up) and may mislead the researcher's inference. In this paper, we overcame this limitation and proposed a risk assessment tool related to the lifetime of cancer patients to survival functions to help medical decision-making. Moreover, we proposed a new machine learning algorithm, so-called long-term generalized weighted Lindley (LGWL) distribution, solving the inferential limitation caused by the censored information. Regarding the robustness of this distribution, some mathematical properties are shown and inferential procedures discussed, under the maximum likelihood estimators' perspective. Empirical results used TCGA lung cancer data (but not limited to this cancer type) showing the competitiveness of the proposed distribution to the medical field. The cure-rate is dynamic but quantifiable. For instance, after 14 years of development/spread of lung cancer, the group of patients under the age of 70 had a cure fraction of 32%, while the group of elderly patients presented a cure fraction of 22%, whereas those estimations using the traditional (long-term) Weibull distribution is 31% and 17%. The LGWL returned closer curves to the empirical distribution, then were better adjusted to the adopted data, elucidating the importance of cure-rate fraction in survival models.","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"25 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132000664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Avaliação da interpretabilidade em técnicas de aprendizado de máquina","authors":"Daniel de Oliveira Caires, F. S. Sousa","doi":"10.17648/wmecai-2021-130471","DOIUrl":"https://doi.org/10.17648/wmecai-2021-130471","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125330102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Redes neurais para classificar furos realizados por sistemas automatizados quanto a sua qualidade","authors":"Frederico Leoni Franco Kawano, Claudio Fabiano Motta Toledo","doi":"10.17648/wmecai-2021-130478","DOIUrl":"https://doi.org/10.17648/wmecai-2021-130478","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132249025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Um modelo híbrido de clusterização e classificação para previsão de preços de aluguéis de imóveis em cidades litorâneas","authors":"Daniel Shinoda Pascoal, V. C. Camargo","doi":"10.17648/wmecai-2021-130464","DOIUrl":"https://doi.org/10.17648/wmecai-2021-130464","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130192316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Bayesian networks applied to sales forecasting in a large Brazilian fast-food chain","authors":"Robson Fernandes, A. Lopes","doi":"10.17648/wmecai-2021-130460","DOIUrl":"https://doi.org/10.17648/wmecai-2021-130460","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131519888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anna Bárbara Coré Pinto, Naila Asbahr, José Antonio Rabi
{"title":"Epidemiologia matemática: Modelagem via fenômenos de transporte ante a Covid-19 e a ontologia humana","authors":"Anna Bárbara Coré Pinto, Naila Asbahr, José Antonio Rabi","doi":"10.17648/wmecai-2021-130485","DOIUrl":"https://doi.org/10.17648/wmecai-2021-130485","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122551525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Fulvio Eduardo Ferreira Ferreira, Luis Gustavo Nonato
{"title":"Análise dos dados e veracidade das bases com informações sobre recursos florestais no Brasil","authors":"Fulvio Eduardo Ferreira Ferreira, Luis Gustavo Nonato","doi":"10.17648/wmecai-2021-130487","DOIUrl":"https://doi.org/10.17648/wmecai-2021-130487","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"214 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133934879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lucas Thomaz Januario Pinto, Maristela Oliveira dos Santos
{"title":"Modelo de otimização matemática para redução de custos logísticos de distribuição","authors":"Lucas Thomaz Januario Pinto, Maristela Oliveira dos Santos","doi":"10.17648/wmecai-2021-130483","DOIUrl":"https://doi.org/10.17648/wmecai-2021-130483","url":null,"abstract":"","PeriodicalId":110688,"journal":{"name":"Anais do I Workshop de Matemática, Estatística e Computação Aplicadas à Indústria","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114594752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}