نتایج جستجو برای: parametric

تعداد نتایج: 61870  

ستایی مختاری, مرتضی, محمدی, یحیی,

     In most genomic prediction studies only additive effects will be used in models for estimating genomic breeding values (GEBV). However, dominance genetic effects are an important source of variation for complex traits, considering them into account may improve the accuracy of GEBV. In the present  study,  performed applying  simulated data, the effect of  different heritability values (0.1...

Journal: :gastroenterology and hepatology from bed to bench 0
mohadese shojai biostatistics department, faculty of medical sciences, tarbiat modares university, tehran, iran. anoshirvan kazemnejad biostatistics department, faculty of medical sciences, tarbiat modares university, tehran, iran. farid zayeri department of biostatistics, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran, iran. mohsen vahedi department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran.

normal 0 false false false en-us x-none fa microsoftinternetexplorer4 aim : for the purpose of cost modeling, the semi-parametric single-index two-part model was utilized in the paper. furthermore, as functional gastrointestinal diseases which are well-known as common causes of illness among the society people in terms of both the number of patients and prevalence in a specific time interval, t...

The Standardized Precipitation Index (SPI) is the most common index for drought monitoring. Although the calculation of this index is usually done by using the gamma distribution fitting of precipitation data, studies have shown that for accurate monitoring of drought, the optimal distribution of precipitation in each month should be determined. On the other hand, in non-stationary time series,...

Nowadays, one of the most important topics in risk management of banks, financial, and credit institutions is credit risk management. In this research, the researchers used survival analytic methods for credit risk modeling in terms of the conditional distribution function of default time. As a practical task, the authors considered the reward credit portfolio of Tose'e Ta'avon Bank of Guilan P...

Journal: :journal of agricultural science and technology 2015
j. ahmadi b. vaezi a. shaabani k. khademi s. fabriki ourang

multi-environment trials play a significant role in selecting the best cultivars to be used at different locations. the objective of this study was to identify grain and forage yields stability of grass pea advanced lines across different locations. the 14 advanced lines of grass pea, developed by the international center for agricultural research in dry areas (icarda), were tested at three dif...

The structural framework for a parametric catchment erosion model is proposed. A parameter optimization technique that provides a rational basis for the calibration of the model is developed. The adequacy of the model in representing a natural catchment is investigated.

2003
Y H Chan

Assumption for 1 sample T test: Data are normally distributed. We have discussed in the last article on how to check the normality assumption of a quantitative data. One issue being highlighted was that these formal normality tests are very sensitive to the sample size of the variable concerned. As seen here, table II shows that the normality assumptions for both the systolic and diastolic bloo...

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