• Analyses used separate multivariate logistic regression models for seven types of BRS. (cdc.gov)
  • Next, we conducted a sex-specific analysis for obesity and its associated factors using backward elimination multivariate logistic regression models. (cdc.gov)
  • Logistic regression analysis was also performed to compare the results in classifying KOA patients with machine learning method. (e-arm.org)
  • In the classification between KOA patients and normal subjects, the accuracy of classification was higher in machine learning method than in logistic regression analysis. (e-arm.org)
  • The machine learning method is thought to be a new approach to complement conventional logistic regression analysis in the classification of KOA patients. (e-arm.org)
  • Multiple logistic regression analysis was performed to examine factors associated with incident diabetes. (cdc.gov)
  • This free online software (calculator) computes the Bias-Reduced Logistic Regression (maximum penalized likelihood) as proposed by David Firth. (wessa.net)
  • In statistics , multinomial logistic regression is a classification method that generalizes logistic regression to multiclass problems , i.e. with more than two possible discrete outcomes. (wikipedia.org)
  • Multinomial logistic regression is known by a variety of other names, including polytomous LR , [2] [3] multiclass LR , softmax regression , multinomial logit ( mlogit ), the maximum entropy ( MaxEnt ) classifier, and the conditional maximum entropy model . (wikipedia.org)
  • Multinomial logistic regression is used when the dependent variable in question is nominal (equivalently categorical , meaning that it falls into any one of a set of categories that cannot be ordered in any meaningful way) and for which there are more than two categories. (wikipedia.org)
  • Multinomial logistic regression is a particular solution to classification problems that use a linear combination of the observed features and some problem-specific parameters to estimate the probability of each particular value of the dependent variable. (wikipedia.org)
  • If the multinomial logit is used to model choices, it relies on the assumption of independence of irrelevant alternatives (IIA), which is not always desirable. (wikipedia.org)
  • Weighted multinomial regression models were conducted to assess the relationships. (who.int)
  • 1997. "Modelling Complexity: Analysing between-Individual and between-Place Variation - A Multilevel Tutorial. (degruyter.com)
  • The dataset is relatively small, and the authors use stepwise logistic regression models to detect small differences. (cdc.gov)
  • The main ways to assess or validate the performance of a prognostic model on a new dataset are to compare observed and predicted event rates for groups of patients (calibration) and to quantify the model's ability to distinguish between patients who do or do not experience the event of interest (discrimination). (bmj.com)
  • Internal validation -A common approach is to split the dataset randomly into two parts (often 2:1), develop the model using the first portion (often called the "training" set), and assess its predictive accuracy on the second portion. (bmj.com)
  • 1 4 If the available data are limited, the model can be developed on the whole dataset and techniques of data re-use, such as cross validation and bootstrapping, applied to assess performance. (bmj.com)
  • Temporal validation -An alternative is to evaluate the performance of a model on subsequent patients from the same centre(s). 6 10 Temporal validation is no different in principle from splitting a single dataset by time. (bmj.com)
  • In addition, a selected few of the explanatory variables were chosen from a large group present in the input dataset based on previous work on relations among asset risk, product risk and capital in the life insurance industry by Etti G. Baranoff and Thomas W. Sager (2002). (econbiz.de)
  • 4 6 The model's predictions may not be reproducible because of deficiencies in the design or modelling methods used in the study to derive the model, if the model was overfitted, or if an important predictor is absent from the model (which may be hard to know). (bmj.com)
  • METHODS: For this retrospective study, medical records of all cats in which a urinalysis and aerobic bacterial urine culture were performed between January 1995 and December 2002 were reviewed. (avmi.net)
  • Incorporation of nonsusceptibility into the event history model is to accurately define the denominator with potential subjects at risk in calculating the conditional disease probability at each time point. (nature.com)
  • Potential risk factors for death were evaluated using multivariate conditional logistic regression models. (who.int)
  • The derivation and verification of logistic regression equations for the (conditional) probabilit. (knmi.nl)
  • Annual average rates of past-year heroin use increased from 1.6 per 1,000 persons aged ≥12 years in 2002-2004 to 2.6 per 1,000 in 2011-2013. (cdc.gov)
  • Survey results indicated that the age-adjusted incidence of diabetes per 1,000 population was 9.4 in 2002, 11.9 in 2004, and 8.6 in 2008. (cdc.gov)
  • A multivariable logistic regression model was used to identify characteristics associated with heroin abuse or dependence. (cdc.gov)
  • For example, the simultaneous equations approach, such as that outlined by Greene ( 7 ), would have used predicted values of bloody diarrhea from the first stage of the model as instrumental variables for the actual value in the model for hemolytic uremic syndrome. (cdc.gov)
  • Prevalence of nonrefractive visual impairment was significantly higher in 2005-2008 than in 1999-2002 and may be attributable, in part, to higher prevalence of diabetes, an associated risk factor that increased in prevalence during this time period. (cdc.gov)
  • Prevalence odds ratios and 95% confidence intervals were calculated using logistic regression. (avmi.net)
  • Because diabetes prevalence in NYC is higher than the national rate and the characteristics of prevalent cases do not always reflect recent incident cases, we sought to determine the estimated incidence of self-reported diabetes and associated risk factors in NYC between 2002 and 2008. (cdc.gov)
  • 2016. A New Method for Elicitation of Criteria Weights in Additive Models: Flexible and Interactive Tradeoff. (scielo.br)
  • This paper analyses the effect of industry, regional and firm level characteristics on the post entry performance of newly founded businesses by means of an econometric survival time model. (repec.org)
  • We used data from the 2002, 2004, and 2008 New York City Community Health Survey (CHS) to perform analyses. (cdc.gov)
  • 2021. Combining Holistic and Decomposition Paradigms in Preference Modeling with the Flexibility of FITradeoff. (scielo.br)
  • The aim of this study was to evaluate retrospectively the epidemiology, treatment and complications of the MI in patients who presented odontogenic or non-odontogenic infections in hospitals treated by our team of surgeons in Ribeirão Preto, SP, Brazil, between August 2002 and May 2010. (bvsalud.org)
  • Additionally, the correlation between the dependent variables can create significant multicollinearity, which violates the assumptions of standard regression models and results in inefficient estimators. (cdc.gov)
  • Although some limitations exist in this predictive model, the nomogram revealed the relationship between the clinicopathological characteristics of T1 and T2 GBC patients and the risk of distant metastasis. (medsci.org)
  • Propensity-matching was generated using demographics, comorbidities, hospital and other characteristics through multivariate logistic regression. (bvsalud.org)
  • Aim: To evaluate medical records from patients who had maxillofacial infections between August 2002 and May 2010. (bvsalud.org)
  • The data were nationally representative postal surveys conducted in Estonia (n = 6271), Latvia (n = 6106), Lithuania (n = 7966) and Finland (n = 15764) during 1994-2002. (biomedcentral.com)
  • This study aims to compare the patterning of heavy drinking and binge drinking by key sociodemographic determinants, i.e. sex, age, education, urbanisation, marital status and ethnicity in Estonia, Latvia, Lithuania and Finland in 1994-2002. (biomedcentral.com)
  • The underlying problem in the study is the theoretical specifications for the model, in which genotypes, strains, and symptoms are mixed, despite reasonable expectations that differences in 1 level may predict differences in another. (cdc.gov)
  • Differences were measured with a logistic regression model considering random effects. (uzh.ch)
  • Depending on the production , service or the nature of the business, there may be differences in the shape of each listed logistics system components. (ceopedia.org)
  • His research and teaching interests have spanned travel demand forecasting, network modelling, traffic engineering and control, transport telematics, and logistics. (imperial.ac.uk)
  • Thanks to the anonymous reviewers and journal editors, Rick Stafford, and the Bristol University Spatial Modelling Research Group, for their helpful comments and advice. (degruyter.com)
  • He carried out his studies in five countries and holds PMI, PMBOK and PMP certifications, a Master's degree in Automotive Engineering, a Postgraduate Master's in Industrial Management, a Postgraduate Master's in modelling and simulation dynamic ITS systems, operations research, distributing computer programming, logistics models, data modelling and a PhD. in Vehicle telematics. (ertico.com)
  • 2 A good model may allow the reasonably reliable classification of patients into risk groups with different prognoses. (bmj.com)
  • is defined as the multiple correlation coefficient for the model X 1 = f(X 2 ,X 3 ,…), and all X i are independent variables in the larger model ( 3 , 4 ). (cdc.gov)
  • 0.20 were then entered in a multiple logistic regression model. (biomedcentral.com)
  • 2015. "Deterministic Evolution of Strength in Multiple Comparisons Models: Who Is the Greatest Golfer? (degruyter.com)
  • This report documents the application of multiple regression techniques to derive and analyze a Capital Asset Ratio (CAP) model based on the data pertaining to a large number of life insurance companies during 2000 to 2004. (econbiz.de)
  • 2002). To learn more about risk factors for BRS, we analyzed data from the largest available study of U.S. office workers, the Building Assessment and Survey Evaluation (BASE) Study from the U.S. Environmental Protection Agency, which involved a representative sample of 100 buildings and 4,326 workers. (cdc.gov)
  • The results of this study clearly show that the presence of bloody diarrhea is an endogenous variable in the model showing predictors of hemolytic uremic syndrome, in that the diarrhea is shown to be predicted by, and therefore strongly correlated with, several other variables used to predict hemolytic uremic syndrome. (cdc.gov)
  • 2003. A case study of supplier selection for lean supply by using a mathematical model. (scielo.br)
  • Nutritional support based upon NRS-2002 screening might result in overnutrition, with potentially deleterious clinical consequences. (biomedcentral.com)
  • While the first stage model predicts the diffusion of mobile broadband based on cell phone and internet penetration levels in 2002, the second stage model uses the fitted values of mobile broadband penetration from the first model to estimate the causal effect of mobile broadband on GDP. (ericsson.com)
  • We used data from the New York City Community Health Survey in 2002, 2004, and 2008 to estimate the age- adjusted incidence of self-reported diabetes among 24,384 adults aged 18 years or older. (cdc.gov)
  • This can be implemented with a simple extension to the usual local projection specification that nevertheless keeps the model linear in parameters. (frbsf.org)
  • The aim of the current study was to assess whether widely used nutritional parameters are correlated with the nutritional risk score (NRS-2002) to identify postoperative morbidity and to evaluate the role of nutritionists in nutritional assessment. (biomedcentral.com)
  • A randomized trial on preoperative nutritional interventions (NCT00512213) provided the study cohort of 152 patients at nutritional risk (NRS-2002 ≥3) with a comprehensive phenotyping including diverse nutritional parameters (n=17), elaborated by nutritional specialists, and potential demographic and surgical (n=5) confounders. (biomedcentral.com)
  • Since all patients underwent a comprehensive nutritional assessment, we took this unique opportunity to correlate preoperative nutritional parameters with patient outcome in subjects who were all identified as high-risk patients by means of the NRS-2002 and hence receiving oral nutritional supplements. (biomedcentral.com)
  • Prior Distributions for Variance Parameters in Hierarchical Models. (degruyter.com)
  • Also, the FITradeoff method has been used to identify the alternatives that should compose the portfolio of options concerning the reverse logistics. (scielo.br)
  • The goal of this Web-assisted minicourse is to acquaint teachers with a method for modeling environmental problems suitable for a liberal arts course. (jointmathematicsmeetings.org)
  • To date, the proportional hazards (PH) regression model 11 has been the most widely used method. (nature.com)
  • Differencing method was employed so that OLS estimator could safely be used for the coefficients in the regression model. (econbiz.de)
  • [1] That is, it is a model that is used to predict the probabilities of the different possible outcomes of a categorically distributed dependent variable , given a set of independent variables (which may be real-valued, binary-valued, categorical-valued, etc. (wikipedia.org)
  • Each variable was modeled using logistic regression to determine its impact on subsequent injury risk. (frontiersin.org)
  • 2002) 3 point out two major causes for the OI, the periapical (due to pulp necrosis and subsequent bacterial invasion) and the periodontal (as a result of periodontal disease) that allows inoculation of bacteria into deep tissues. (bvsalud.org)
  • An often overlooked problem in building statistical models is that of endogeneity, a term arising from econometric analysis, in which the value of one independent variable is dependent on the value of other predictor variables. (cdc.gov)
  • Various statistical or clinical factors may lead a prognostic model to perform poorly when applied to other patients. (bmj.com)
  • Experimental Design and Data Analysis for Biologists (2002) G. P. Quinn and M. J. Keough, Cambridge University Press. (lu.se)
  • My main professional interests are bird migration biology, sensory electronics, low power microcontroller systems, energy harvesting, data modelling, data analysis, programming and data sharing solutions using internet. (lu.se)
  • As the focus is on the empty MLRA model, the study does not use any independent variable but focuses mainly on SBP variance between people and between neighbourhoods. (bmj.com)
  • The study investigates options to support the reverse logistics for wholesalers in a company. (scielo.br)
  • For the study in question, two different methodologies have been applied to support the reverse logistics for wholesalers in a company. (scielo.br)
  • The study is based on data for 135 countries (90 countries once controlling for capital labor and human capital) for the period 2002-2014. (ericsson.com)
  • Therefore, we used an event-history with risk-free model to simultaneously characterize alcoholism susceptibility and onset age in 65 independent non-Hispanic Caucasian males in the Collaborative Study on the Genetics of Alcoholism. (nature.com)
  • The firm chosen for this study is a shipping company called Sewon Maritime Logistics Inc. It is based in Korea and specialises in the export of various types of cars from General Motors, Renault, Hyundai and Samsung. (business-essay.com)
  • It must study consumption patterns and stock the right types of vehicles in this organisation (Panayides 2002). (business-essay.com)
  • However, few studies to date have evaluated the risk factors or a predictive model of distant metastasis in GBC. (medsci.org)
  • The points scored by drivers in a race (standardised across seasons and Normalised) is used as the response variable in a cross-classified multilevel model that partitions variance into team, team-year and driver levels. (degruyter.com)
  • We will dive into the impact of technology innovations such as RPM and telehealth, as well as how logistics and infrastructure, such as supply chain and equipment, enable the timely administration of care. (ama-assn.org)
  • Supply chain logistics management (Vol. 2). (ceopedia.org)
  • We analyzed 2002 to 2006 California syphilis surveillance system data. (nih.gov)
  • FDA and CDC analyzed data from the National Survey on Drug Use and Health and National Vital Statistics System reported during 2002-2013. (cdc.gov)
  • Goal: The overall objective of an enterprise logistics system is to optimize the flow of goods, services and information in order to meet customer demands while minimizing costs. (ceopedia.org)
  • The external factors that shape an enterprise logistics system include suppliers, customers, business partners, and competitors. (ceopedia.org)
  • Equipment: Buildings, machinery and equipment, vehicles, and human resources are all necessary components of an enterprise logistics system. (ceopedia.org)
  • One system I developed was the storage logistics system at Svalbard Global Seedvault. (lu.se)
  • decision analysis partners wins nationwide logistics modeling project for Newgistics in Austin, TX. (decisionanalysis.net)
  • 2015. Multicriteria and multiobjective models for risk, reliability and maintenance decision analysis. (scielo.br)
  • Therefore, these types of enterprises are ideal in the analysis of maritime logistics principles as their core businesses processes depend on them. (business-essay.com)
  • This allows the choice of K alternatives to be modeled as a set of K -1 independent binary choices, in which one alternative is chosen as a "pivot" and the other K -1 compared against it, one at a time. (wikipedia.org)
  • A solution to separation in binary response models. (wessa.net)
  • Model for determining virulence factors for hemolytic uremic syndrome. (cdc.gov)
  • I completed my PhD thesis "Bird Orientation: External Cues and Ecological Factors" in 2002. (lu.se)
  • 1 3 In this article, we discuss how to evaluate the performance of a prognostic model in new data. (bmj.com)
  • Prognostic models are of little clinical value unless they are shown to work in other samples. (bmj.com)
  • However, bloody diarrhea is not the only endogenous variable in their models, and extensive modeling would be necessary to isolate the independent effects of the various predictor variables. (cdc.gov)
  • Multivariate models were created for each variable of interest while controlling for the confounding effect of disease group. (avmi.net)
  • Raw materials are used to create the final products, intermediate products are used in the manufacturing process , energy is needed to power the equipment and vehicles, information is used to manage and track inventory and orders, and people are needed to operate the equipment and manage the logistics process . (ceopedia.org)
  • Buildings and equipment are used for storage and manufacturing, vehicles are used for transportation, and human resources are needed to operate the equipment, manage the logistics process, and provide customer service. (ceopedia.org)
  • However, temporal validation is a prospective evaluation of a model, independent of the original data and development process. (bmj.com)
  • Because the strain is in part determined by the presence of these toxins, including both strain and genotype in the model means that the standard errors for variables for the Shiga-containing strains and bloody diarrhea symptom are likely to be too high, and hence the significance levels (p values) obtained from the regression models are higher than the true probability because of a type I error. (cdc.gov)
  • We emphasize the importance of detailed assessment of the nutritional status by a dedicated specialist before deciding on early nutritional intervention for patients with an initial NRS-2002 score of ≥3. (biomedcentral.com)
  • Prognostic models, like the one we developed in the previous article in this series, 1 yield scores to enable the prediction of the risk of future events in individual patients or groups and the stratification of patients by these risks. (bmj.com)
  • We need evidence that the model performs well for other groups of patients. (bmj.com)
  • La présente étude cas-témoin nichée dans une cohorte a été menée dans la province de Mazandaran (République islamique d'Iran) auprès de patients tuberculeux ayant été traités entre 2002 et 2009. (who.int)
  • Ces facteurs de risque potentiellement modifiables pourraient être pris en compte dans des interventions préventives visant les patients atteints de tuberculose dans notre pays. (who.int)
  • Thus, the maximum penetration of mobile broadband could be modeled as a linear function of mobile phone subscriptions and fixed internet subscribers per 100 inhabitants before the build-out of mobile broadband. (ericsson.com)
  • The data relates to West German states during 1993-2002 period. (repec.org)
  • It is quite difficult to achieve such a feat if a company does not operate under strong maritime logistics principles. (business-essay.com)
  • During 2002-2013, heroin overdose death rates nearly quadrupled in the United States, from 0.7 deaths to 2.7 deaths per 100,000 population, with a near doubling of the rates from 2011-2013 ( 1 ). (cdc.gov)
  • A comprehensive tutorial on population and evolutionary dynamics with something like 20 different models to play with. (hypertextbook.com)
  • The New York Art Resources Consortium( NYARC) reveals of the read Air Dispersion Modeling: Foundations and techniques of three Depending idea keloids in New York City: The Brooklyn Museum, The Frick Collection, and The Museum of Modern Art. (tanganyikawildernesscamps.com)
  • To show that a prognostic model is valuable, however, it is not sufficient to show that it successfully predicts outcome in the initial development data. (bmj.com)
  • He was awarded the international best XML award in Europe for ITS development in 2002 from IT/Automotive industry. (ertico.com)