نتایج جستجو برای: Logistic Regression Model

تعداد نتایج: 2334529  

Journal: :iranian journal of radiation research 0
p. abdolmaleki dept. of biophysics, tarbiat modarres university, tehran, iran m. yarmohammadi m. gity

background: we designed an algorithmic model based on the logistic regression analysis and a non-algorithmic model based on the artificial neural network (ann). materials and methods: the ability of these models was compared together in clinical application to differentiate malignant from benign breast tumors in a study group of 161 patients' records. each patient’s record consisted of 6 s...

Journal: :iranian journal of public health 0
gh mahdavi z izadi

background: existence or non-existence of adverse selection in insurance market is one of the important cases that have always been considered by insurers. adverse selection is one of the consequences of asymmetric information. theory of adverse selection states that high-risk individuals demand the insurance service more than low risk individuals do. methods: the presence of adverse selection ...

2006
Bo Hu Jun Shao Mari Palta BO HU JUN SHAO MARI PALTA

Logistic regression with binary and multinomial outcomes is commonly used, and researchers have long searched for an interpretable measure of the strength of a particular logistic model. This article describes the large sample properties of some pseudo-R statistics for assessing the predictive strength of the logistic regression model. We present theoretical results regarding the convergence an...

Journal: :acta medica iranica 0
reza shahsiah department of pathology, imam hospitals complex, school of medicine, tehran university of medical sciences, tehran, iran. alireza abdollahi department of pathology, imam hospitals complex, school of medicine, tehran university of medical sciences, tehran, iran. farid azmoudeh ardalan department of pathology, imam hospitals complex, school of medicine, tehran university of medical sciences, tehran, iran. mohammad taghi haghi-ashtiani pediatrics center of excellence, children's medical center, tehran university of medical sciences, tehran, iran. issa jahanzad department of pathology, imam hospitals complex, school of medicine, tehran university of medical sciences, tehran, iran. mohsen nassiri toosi department of gastroenterology, school of medicine, tehran university of medical sciences, tehran, iran.

fluorescent monitoring of dna amplification is the basis of real-time pcr. absolute quantification can be achieved using a standard curve method. the standard curve is constructed by amplifying known amounts of standards under identical conditions to that of the samples.the objective of the current study is to propose a mathematical model to assess the acceptability of pcr resulys.four commerci...

2015

Multiple Logistic Regression Just as in OLS regression, logistic models can include more than one predictor. The analysis options are similar to regression. One can choose to select variables, as with a stepwise procedure, or one can enter the predictors simultaneously, or they can be entered in blocks. Variations of the likelihood ratio test can be conducted in which the chi-square test (G) is...

Journal: :journal of agricultural science and technology 0
k. zarafshani agricultural extension and education, agricultural and natural resource faculty, razi university, kermanshah, islamic republic of iran. sh. ghasemi agricultural extension and education, agricultural and natural resource faculty, razi university, kermanshah, islamic republic of iran. e. houshyar department of biosystems and engineering, jahrom university, jahrom, p. o. box: 74135-111, islamic republic of iran. r. ghanbai department of rural development, college of agriculture, lorestan university, lorestan, islamic republic of iran. s. van passel centre for environmental sciences, hasselt university, belgium. hasselt university, belgium. h. azadi centre for environmental sciences, hasselt university, belgium.

canola production is an important alternative for agricultural policy-makers in iran to reduce dependency on the imported vegetable oils. nevertheless, the canola planted area is only increasing at a slow pace, indicating a low willingness-to-accept of farmers. the general aim of this study was to determine the factors influencing the canola adoption in the kermanshah province in western iran. ...

Journal: :Korean Journal of Applied Statistics 2008

Journal: :Asian Journal of Probability and Statistics 2019

Journal: :International Journal of Statistics and Probability 2017

Journal: :international journal of agricultural science, research and technology in extension and education systems 2013
r. o. babatunde a. h. adenuga o. m. adenuga f. l. olagunju

this study was carried out to evaluate the ekiti state social security scheme (essss) in nigeria. specifically, the study estimated the food security status of the beneficiaries and non beneficiaries of the scheme, assessed the effect of the social security scheme on households’ food security status, and identified the constraints to the implementation of the scheme in the state. a three stage ...

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