نتایج جستجو برای: growth regression model

تعداد نتایج: 3021021  

Journal: :medical journal of islamic republic of iran 0
nasim vahabi department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, iran.سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) anoshirvan kazemnejad department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, iran.سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university) ramazan fallah department of biostatistics, faculty of medical sciences, tarbiat modares university, tehran, iran.سازمان اصلی تایید شده: دانشگاه تربیت مدرس (tarbiat modares university)

background: growth failure in children less than five years old can lead to the serious complications such as increased mortality, learning difficulties or physical disability. the aim of this study was to investigate the non-organic factors affecting the growth trend in less than two years children living in zanjan, iran.   methods: this longitudinal study was conducted on a sample of 3566 chi...

Journal: Money and Economy 2015

The purpose of this study is to investigate the impact of exchange rate misalignment on inflation persistence. For this purpose, Vector Auto Regression method and Markov Switching model is used for quarterly data during 1989:4 -2014:3. The results show that, the impact of liquidity growth and exchange rate misalignment on inflation persistence is positive. On the other hand, GDP growth has a ne...

Journal: :پژوهش های رشد و توسعه اقتصادی 0
محسن مهرآرا عضو هیئت علمی محمد زارعی دانشجو

this paper investigates the possibility of both linear and nonlinear effects of energy consumption on economic growth in iran, using data for the period of 1959–2007 based on threshold regression. some previous studies support the view that energy consumption may promote economic growth. however, the conclusion drawn from this study suggests that such relationship exists only where there is a l...

Journal: :energy equipment and systems 0
behzad elhami department of agricultural machinery engineering, faculty of agricultural engineering and technology, university of tehran, karaj, iran asadollah akram department of agricultural machinery engineering, faculty of agricultural engineering and technology, university of tehran, karaj, iran majid khanali department of agricultural machinery engineering, faculty of agricultural engineering and technology, university of tehran, karaj, iran seyed hashem mousavi-avval department of agricultural machinery engineering, faculty of agricultural engineering and technology, university of tehran, karaj, iran

in the present study, the energetic and economic modeling of lentil and chickpea production in esfahan province of iran was conducted using adaptive neuro-fuzzy inference system (anfis) and linear regression. data were taken by interviewing and visiting of 140 lentil farms and 110 chickpea farms during 2014-2015 production period. the results showed that the yield and total energy consumption w...

Journal: :iranian journal of applied animal science 2015
p. zamani m.r. moradi d. alipour a. ahmadi

the aim of the present study was the estimation of (co) variance components and genetic parameters for body weight of moghani sheep, using random regression models based on b-splines functions. the data set included 9165 body weight records from 60 to 360 days of age from 2811 moghani sheep, collected between 1994 to 2013 from jafar-abad animal research and breeding institute, ardabil province,...

ژورنال: اندیشه آماری 2021

The proportional hazard Cox regression models play a key role in analyzing censored survival data. We use penalized methods in high dimensional scenarios to achieve more efficient models. This article reviews the penalized Cox regression for some frequently used penalty functions. Analysis of medical data namely ”mgus2” confirms the penalized Cox regression performs better than the cox regressi...

Journal: :medical journal of islamic republic of iran 0
seyed mansour kashfi department of public health research center for health sciences, shiraz university of medical science (sums), iran.سازمان اصلی تایید شده: دانشگاه شیراز (shiraz university) ali khani jeihooni department of public health, fasa university of medical science (fums), iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی فسا (fasa university of medical sciences) abbas rezaianzadeh research center for health sciences, department of epidemiology, shiraz university of medical science (sums), iran.سازمان اصلی تایید شده: دانشگاه شیراز (shiraz university)سازمان های دیگر: research center for health sciences, shahnaz karimi department of nursing, fasa university of medical science (fums), iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی فسا (fasa university of medical sciences)

background :growth retardation in children is a result of nutritional ignorance, inappropriate care, and inadequate monitoring of growth monitoring. this study was performed to assess the effect of mothers education program based on the precede model on the mean weight of children (6-12 months) at health centers in shiraz, fars province.   methods : this quasi experimental study was conducted o...

Journal: :international journal of preventive medicine 0
sayed-mohsen hosseini mohamad-reza maracy sheida sarrafzade roya kelishadi

background:growth is one of the most important indices in child health. the best and most effective way to investigate child health is measuring the physical growth indices such as weight, height and head circumference. among these measures, weight growth is the simplest and the most effective way to determine child growth status. weight trend at a given age is the result of cumulative growth e...

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