نتایج جستجو برای: grouping categorical variables

تعداد نتایج: 346055  

2003
John R. Hipp Kenneth A. Bollen

Although the methodology for handling ordinal and dichotomous observed variables in structural equation models (SEMs) is developing rapidly, several important issues are unresolved. One of these is the optimal test statistic to apply as a test of overall model fit. We propose a new ‘‘vanishing tetrad’’ test statistic for such models. We build on Bollen’s (1990) simultaneous test statistic for t...

2015
M Dalorzo P Garcia Olivares E Keough Delgado C Bocanegra Abarca I De Sousa L Tang Rodriguez N Fernandez Araujo C Monis Cedano JE Guerrero Sanz

Methods Retrospective study performed on patients admitted to our ICU with ACLF between 2010 and 2013. We collected epidemiological and clinical data in addition to scoring systems commonly used in critical care units and those more specific to cirrhotic patients. Descriptive data were described as means with standard deviation for normally distributed continuous variables, medians with interqu...

Journal: :Critical Care 2005
Viv Bewick Liz Cheek Jonathan Ball

This review introduces logistic regression, which is a method for modelling the dependence of a binary response variable on one or more explanatory variables. Continuous and categorical explanatory variables are considered.

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