نتایج جستجو برای: probability density function

تعداد نتایج: 1733051  

Journal: :journal of paramedical sciences 0
batoul ahadi department of biostatistics, para-medical faculty, shahid beheshti university of medical sciences, tehran, iran hamid alavi majd department of biostatistics, para-medical faculty, shahid beheshti university of medical sciences, tehran, iran soheila khodakarim department of epidemiology,health faculty, shahid beheshti university of medical sciences, tehran, iran forough rahimi department of english language, paramedical faculty, shahid beheshti university of medical sciences, tehran, iran nourossadat kariman department of midwifery, school of nursing and midwifery, shahid beheshti university of medical sciences, tehran, iran. mahieh khalili department of biostatistics, para-medical faculty, shahid beheshti university of medical sciences, tehran, iran

various statistical methods have been proposed in terms of predicting the outcomes of facing special factors. in the classical approaches,  making the probability distribution or known probability density functions is ordinarily necessary to predict the desired outcome. however, most of the times enough information about the probability distribution of studied variables is not available to the ...

Journal: :Physica A: Statistical Mechanics and its Applications 2020

Journal: :journal of sciences islamic republic of iran 0

we propose a wavelet based stochastic regression function estimator for the estimation of the regression function for a sequence of pairwise negative quadrant dependent random variables with a common one-dimensional probability density function. some asymptotic properties of the proposed estimator are investigated. it is found that the estimators have similar properties to their counterparts st...

We propose a wavelet based regression function estimator for the estimation of the regression function for a sequence of ?-missing random variables with a common one-dimensional probability density function. Some asymptotic properties of the proposed estimator based on block thresholding are investigated. It is found that the estimators achieve optimal minimax convergence rates over large class...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی مکانیک 1387

هدف این پایان نامه ، برسی حساسیت لایه های مخلوط شونده و همراه با احتراق نسبت به دو میدان مغشوش در شرط اولیه می باشد. برای نیل به این هدف، شرط اولیه ای برای لایه های مخلوط شونده زمانی بوجود آمده است که شامل دو مدیان مغشوش برای میدان سرعت اولیه و میدان کسر مخلوط اولیه می باشد. میدان کسر مخلوط اولیه می باشد. میدان کسر مخلوط اولیه با استفاده از توابع چگالی احتمال نرمال، لگ نرمال و بتا ساخته شده و م...

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