نتایج جستجو برای: linear regression coefficient
تعداد نتایج: 867449 فیلتر نتایج به سال:
The present paper deals with the study of the multiple linear regression model for the estimation and prediction of the time series of radon and thoron progeny concentrations in atmosphere. The general purpose of multiple linear regression model is to find the linear relationship between a dependent (or explained) variable and several independent (or predictor) variables. Radon and thoron proge...
Due to the high importance of fenugreek in terms of nutritional and medicine, improvement of genotypes with high yield seems to be essential. Yield is a quantitative trait that is affected by the genotype-environment interaction. In order to evaluate stability and adaptation for seed yield in fenugreek ecotypes, the experiment was carried out during growing season for three consecutive years 20...
analysis does not test for causal relationships, only whether there is a relationship and, to some extent, the strength of this relationship. Linear regression analysis is used to predict or estimate the value of a normally distributed response variable from the known values of one or more explanatory variables which are not necessarily normally distributed. When the analysis uses a single expl...
abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...
the fuzzy linear regression model with fuzzy input-output data andcrisp coefficients is studied in this paper. a linear programmingmodel based on goal programming is proposed to calculate theregression coefficients. in contrast with most of the previous works, theproposed model takes into account the centers of fuzzy data as animportant feature as well as their spreads in the procedure ofconstr...
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