نتایج جستجو برای: logistic

تعداد نتایج: 104097  

Journal: :Mathematical Problems in Engineering 2023

Logistic regression is a commonly used classification algorithm in machine learning. It allows categorizing data into discrete classes by learning the relationship from given set of labeled data. learns linear dataset and then introduces nonlinearity through an activation function to determine hyperplane that separates points two subclasses. In case logistic regression, most perform binary clas...

ژورنال: اندیشه آماری 2015
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The problem of sample size estimation is important in medical applications, especially in cases of expensive measurements of immune biomarkers. This paper describes the problem of logistic regression analysis with the sample size determination algorithms, namely the methods of univariate statistics, logistics regression, cross-validation and Bayesian inference. The authors, treating the regr...

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Tthe Zografos–Balakrishnan-log-logistic (ZBLL) distribution is a new distribution of three parameters that has been introduced by Ramos et el. [1], and They presented some properties of the new distribution such as its probability density function, The cumulative distribution function, The  moment generating function, its hazard (failure) rate function, quantiles and moments, Rényi and Shannon ...

Journal: :journal of research in health sciences 0
shahab rezaeian jalal poorolajal abbas moghimbegi nader esmailnasab

background: the aim of this study was to investigate the relationship between congenital hypothyroidism and several variables using two different adjustment methods. methods: this matched case-control study was conducted in hamadan province, the west of iran, in 2012 enrolling neonates born between 2005 and 2011 and covered by screening program for congenital hypothyroidism. the neonates with t...

Journal: :iranian journal of public health 0
mostafizur rahman 1. institute of graduate studies, university of malaya, malaysia. asma ahmad shariff 2. centre for foundation studies in science, university of malaya, malaysia. aziz shafie 3. dept. of geography, university of malaya, malaysia. rahmah saaid 4. dept. of obstetrics and gynecology, university of malaya, malaysia. rohayatimah md tahir 2. centre for foundation studies in science, university of malaya, malaysia.

caesarean section (c-section) rates have been increasing dramatically in the past decades around the world. this increase has been attributed to multiple factors such as maternal, socio-demographic and institutional fac-tors. therefore, this study examines the impact of maternal, socio-demographic and relevant characteristics on caesar-ean delivery in the northern region of bangladesh.this stud...

Journal: :iranian journal of psychiatry 0
roya najafi-vosough department of biostatistics, school of public health, hamadan university of medical ‎sciences, hamadan, iran. ali ghaleiha behavioral disorders and substance abuse research center, hamadan university of medical ‎sciences, hamadan, iran. javad faradmal department of biostatistics, school of public health, hamadan university of medical ‎sciences, hamadan, iran. and modeling of noncommunicable disease research canter, hamadan university of medical sciences, hamadan, iran. hossein mahjub department of biostatistics, school of public health, hamadan university of medical ‎sciences, hamadan, iran. and research center for health sciences, hamadan university of medical sciences, hamadan, iran.

objective: the aim of this study was to identify prognosis factors associated with recurrence in patients ‎with bipolar disorder.‎‎ method: this retrospective cohort study was conducted in hamadan province, the west of iran. all ‎patients (n = 400) with bipolar disorder who were hospitalized for the second time or more ‎during april 2008 to september 2014 were included in this study. ordinal lo...

Journal: :journal of livestock science and technologies 2013
a. moharrery e. toghyani

two forage species alfalfa (medicago sativa), and sainfoin (onobrychis viciifolia scop.), at two consecutive growing season (spring and summer), were studied for their chemical composition and in vitro gas production characteristics. data on cumulative gas production (ml gas/g dm) were fitted to the non-sigmoidal model, and for evaluation of model, the concordance correlation coefficient (ccc) ...

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...

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