Now showing items 1-10 of 1405
Inflection and stability points of diphasic logistic analysis of growth
(Univ Sao Paolo, 2015-05-01)
Growth functions with inflection points following a diphasic model, can be adjusted by two approaches using segmented regression or the sum of two functions. In both cases, there are two functions, one for each phase, with ...
Predicting Success in Product Development: The Application of Principal Component Analysis to Categorical Data and Binomial Logistic Regression
(Universidad Alberto Hurtado. Facultad de Economía y Negocios, 2014)
Does municipal socioeconomic development affect public perceptions of crime? A multilevel logistic regression analysis
Chile is considered as one of the safest countries in Latin America, with a below-the-average world crime rate. However, during the last few decades, the country has experienced a deterioration in public perceptions of ...
Comparison for three Classification Techniques
(UNIV NAC COLOMBIA, DEPT ESTADISTICA, 2009)
In this paper we show the results of a comparison simulation study for three classification techniques: Multinomial Logistic Regression (MLR), No Metric Discriminant Analysis (NDA) and Linear Discriminant Analysis (LDA). ...
Logistic regression and neural network classification of seismic records
The identification of seismic records in seismically active mines is examined by considering logistic regression and neural network classification techniques. An efficient methodology is presented for applying these ...
Pricing corporate bonds in Brazil: 2000 to 2004
(ELSEVIER SCIENCE INC, 2009)
This paper analyzes the factors that influence the issuing price of debentures in Brazil in the period from year 2000 to 2004, applying a factor model, in which exogenous variables explain return and price behavior. The ...
The impact of knowledge management on the quality of logistics operations in Panama
This research analyzes the quality of logistics operations in terms of the impact exerted by knowledge management variables; explicitly, knowledge generation, knowledge dissemination, knowledge interpretation and knowledge ...
Critical points in logistic growth curves and treatment comparisons
(Universidade de São Paulo (USP), 2012-01-01)
Several biological phenomena have a behavior over time mathematically characterized by a strong increasing function in the early stages of development, then by a less pronounced growth, sometimes showing stability. The ...
Atrophic gastritis: Risk factor for esophageal squamous cell carcinoma in a Latin-American population
AIM: To study the association between atrophic gastritis (AG) and esophageal squamous cell carcinoma (ESCC) in a Latin-America population. METHODS: A case-control study was performed at two reference Brazilian hospitals ...
Construção de modelos credit scoring com análise discriminante e regressão logística para a gestão do risco de inadimplênciaa de uma intituição de microcrédito.The development of credit scoring models with logistic regression and discriminant analysis for the credit risk management of a microcredit institution