نتایج جستجو برای: linear regression model over the period 1959
تعداد نتایج: 16504007 فیلتر نتایج به سال:
The minimum density power divergence method provides a robust estimate in the face of a situation where the dataset includes a number of outlier data. In this study, we introduce and use a robust minimum density power divergence estimator to estimate the parameters of the linear regression model and then with some numerical examples of linear regression model, we show the robustness of this est...
This paper proposes a semi-parametric estimation method known as ‘Box-Cox Unconditional Quantile Regression’ to explain the increasing trend of the U.S. wage inequality over the last two decades for men and women separately. Box-Cox Unconditional Quantile Regression is a generalization of the Linear Unconditional Quantile Regression model proposed by Firpo, Fortin and Lemieux (2009). The main c...
Crises stemming from the financial sector of economy and their possible effects on the structures of the real sector of economy including total factor productivity (TFP), labor productivity, employment and economic growth are the principal problem statement of the present study. To analyze of this problem two non-linear models have been specified. Both of them employ Iran’s macro data as well a...
a weighted linear regression model with impercise response and p-real explanatory variables is analyzed. the lr fuzzy random variable is introduced and a metric is suggested for coping with this kind of variables. a least square solution for estimating the parameters of the model is derived. the result are illustrated by the means of some case studies.
abstract: the potato tuberworm, phthorimaea operculella (zeller), is an important insect pest of potato (solanum tuberosum l.) in the storage and field in most parts of the world especially in tropical and subtropical regions due to its close relationship with the host, high reproductive potential and high economic losses. information on host preference, life table parameters and digestive en...
In this paper, we have studied the analysis an interval linear regression model for fuzzy data. In section one, we have introduced the concepts required in this thesis and then we illustrated linear regression fuzzy sets and some primary definitions. In section two, we have introduced various methods of interval linear regression analysis. In section three, we have implemented nu...
the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis , a one- way anova experimental design was carried out. 24 senior student of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inte...
This paper tests the importance of real shocks as sources of fluctuations in iran’s economy. For this purpose, based on the work of Boschen and Mills, a set of non-monetary variables which can affect economic growth have been selected and by using an illustrative business cycle model in which the production depends on the past and current value of real shocks, the influence 01’ these variables ...
In this study, the remote sensing statistical approach was used to determine the global solar radiation from NOAA-AVHRR satellite data in southeast of Tehran. This approach is based on the linear correlation between a satellite derived cloud index and the atmospheric transmission measured by the clearness index on the ground. A multiple linear regression model was also used to convert the five ...
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