نتایج جستجو برای: vector auto regression

تعداد نتایج: 529054  

2002
Chris Laing Alan Robinson

1 Chris Laing, Southampton Institute, Technology Faculty, Southampton, SO14 0YN, UK, [email protected] 2 Alan Robinson, Southampton Institute, Technology Faculty, Southampton, SO14 0YN, UK, [email protected] Abstract  Previously it has been proposed that explanations of non-traditional withdrawal might be defined by the underlying characteristics of the teaching and learn...

2008
G. Chen J. P. Hamilton M. E. Thomason I. H. Gotlib Z. S. Saad R. W. Cox

Introduction: In addition to localizing task-related cortical and subcortical activity, FMRI data can be used to model various forms of interactions among active regions of interest (ROIs) in the brain. Granger causality (GC) is a connectivity modeling approach with the following premises: (a) a region causally connected to another would leave in the latter a time-lagged version of its own sign...

2014
Li Zhou Qing-yi Chen

With the development of information technology, E-business becomes the core competition of small and medium enterprises in recent years. In this paper, we make an empirical test to analyze how the application of E-business will effect on the business performance. The result shows that the E-business application index increased 1 percentage can drive sales volume increased by 0.22 percentages, s...

Journal: :MIS Quarterly 2014
Sanjeev Dewan Jui Ramaprasad

Motivated by the growing importance of social media, this paper examines the relationship between new media, old media, and sales, in the context of the music industry. In particular, we study the interplay between blog buzz, radio play and music sales, at both the album and song levels of analysis. We employ the Panel Vector Auto-regression (PVAR) methodology, an extension of vector auto-regre...

Journal: :Jurnal Ekonomi Regional Unimal 2022

This study examined the effect of dependency ratio and unemployment rate on human development index in Aceh Province. used secondary data with type time series during 2002-2020 obtained from Central Bureau Statistics. The analysis method was Vector Auto Regression (VAR). results showed that HDI did not have a negative significant themselves, ABK had no HDI, TPT HDI.

Journal: :iranian journal of fuzzy systems 0
maryam abaszade department of statistics, ferdowsi university of mashhad, mashhad, iran sohrab effati department of applied mathematics, ferdowsi university of mashhad, mashhad, iran

support vector regression (svr) solves regression problems based on the concept of support vector machine (svm). in this paper, a new model of svr with probabilistic constraints is proposed that any of output data and bias are considered the random variables with uniform probability functions. using the new proposed method, the optimal hyperplane regression can be obtained by solving a quadrati...

Government’s financial expenditures have an outstanding effect on the private sector’s investment and they are regarded as a powerful tool for the growth and economic stability policies. This article tries to study the effects of government’s financial expenditures (current and capital expenditures as well as budget deficit) on private investment in Iran on the basis of crowding out effect hypo...

Purpose: This research aims to evaluate the effects of information technology governance maturity on knowledge management processes. Methodology: This research formulated as a descriptive survey. The survey sample population consisted of 469 randomly taken experts who work in IT companies of Iran, according to a cluster random sampling skim. We Used semi-structured interview with sophisticated...

ژورنال: اقتصاد مقداری 2017

Stocks and houses as two major assets which play important role in the balance sheet of Iranian households. Changes in two markets have a large influence on wealth and the general economy. The purpose of this study is to examine the relationship between stock and house prices over a thirty-year period using vector auto-regression (VAR). Using yearly data for the period from 1985 to 2013, we con...

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