نتایج جستجو برای: sites regression model

تعداد نتایج: 2559336  

Journal: :iranian journal of environmental sciences 0
masoud masoudi associate professor, department of natural resources and environmental engineering, shiraz university, iran elmira asadifard department of natural resources and environmental engineering, shiraz university, iran marzieh rastegar department of natural resources and environmental engineering, shiraz university, iran amin shirvani department of water engineering, shiraz university, iran

the present research analyzes air quality in ahvaz, a city in the south of iran, paying special attention to sulfur dioxide (so2). in order to prepare the average data in the city, measurements have been carried out between 2009 and 2010 in two different locations. relations between sulfur dioxide and some meteorological parameters have been calculated statistically, using the daily average dat...

Journal: :Communications in Statistics - Simulation and Computation 2017

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...

Journal: :Korean Journal of Applied Statistics 2017

2015
Cheng Xu Hongzhu Qu Guangyu Wang Bingbing Xie Yi Shi Yaran Yang Zhao Zhao Lan Hu Xiangdong Fang Jiangwei Yan Lei Feng

High deviations resulting from prediction model, gender and population difference have limited age estimation application of DNA methylation markers. Here we identified 2,957 novel age-associated DNA methylation sites (P < 0.01 and R(2) > 0.5) in blood of eight pairs of Chinese Han female monozygotic twins. Among them, nine novel sites (false discovery rate < 0.01), along with three other repor...

Journal: :Brazilian Journal of Probability and Statistics 2017

Journal: :Communications in Statistics - Simulation and Computation 2021

This article considers a bent-cable quantile regression model that comprises two linear segments but is smoothly jointed by quadratic bend. very flexible to allow the relationship between response variable and covariate of interest change gradually or abruptly across point value in covariate. However, due non-differentiability objective function regression, it challenge estimate unknown paramet...

Journal: :Geo-spatial Information Science 2002

Journal: :Cogent Mathematics & Statistics 2018

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