نتایج جستجو برای: box jenkins time series

تعداد نتایج: 2196112  

Journal: :Northeastern Journal of Agricultural and Resource Economics 1991

Journal: :CoRR 2016
Miguel Ferreira Muhammad Bilal Zafar Krishna P. Gummadi

Bringing transparency to black-box decision making systems (DMS) has been a topic of increasing research interest in recent years. Traditional active and passive approaches to make these systems transparent are often limited by scalability and/or feasibility issues. In this paper, we propose a new notion of black-box DMS transparency, named, temporal transparency, whose goal is to detect if/whe...

2013

Most time series analysts have used different technical and fundamental approach in modeling and to forecast exchange rate in both develop and developing countries, whereas the forecast result varies base on the approach used or applied. In these view, a time domain model (fundamental approach) makes the use of Box Jenkins approach was applied to a developing country like Nigeria to forecast th...

Journal: :international journal of health policy and management 2013
alireza razzaghi abbas bahrampour mohammad reza baneshi farzaneh zolala

background road traffic accidents and their related deaths have become a major concern, particularly in developing countries. iran has adopted a series of policies and interventions to control the high number of accidents occurring over the past few years. in this study we used a time series model to understand the trend of accidents, and ascertain the viability of applying arima models on data...

2014
Mahmood Moosazadeh Mahshid Nasehi Abbas Bahrampour Narges Khanjani Saeed Sharafi Shanaz Ahmadi

BACKGROUND Predicting the incidence of tuberculosis (TB) plays an important role in planning health control strategies for the future, developing intervention programs and allocating resources. OBJECTIVES The present longitudinal study estimated the incidence of tuberculosis in 2014 using Box-Jenkins methods. MATERIALS AND METHODS Monthly data of tuberculosis cases recorded in the surveilla...

Journal: :Epidemiology and infection 2010
J Weisent W Seaver A Odoi B Rohrbach

Three time-series models (regression, decomposition, and Box-Jenkins autoregressive integrated moving averages) were applied to national surveillance data for campylobacteriosis with the goal of disease forecasting in three US states. Datasets spanned 1998-2007 for Minnesota and Oregon, and 1999-2007 for Georgia. Year 2008 was used to validate model results. Mean absolute percent error, mean sq...

2001
Ajith Abraham Dan Steinberg

The past few years have witnessed a growing recognition of soft computing technologies that underlie the conception, design and utilization of intelligent systems. According to Zadeh [1], soft computing consists of artificial neural networks, fuzzy inference systems, approximate reasoning and derivative free optimization techniques. In this paper, we report a performance analysis among Multivar...

2015
Vandana Sakhre Sanjeev Jain Vilas S. Sapkal Dev Prakash Agarwal

Fuzzy Counter Propagation Neural Network (FCPN) controller design is developed, for a class of nonlinear dynamical systems. In this process, the weight connecting between the instar and outstar, that is, input-hidden and hidden-output layer, respectively, is adjusted by using Fuzzy Competitive Learning (FCL). FCL paradigm adopts the principle of learning, which is used to calculate Best Matched...

2014
Bishal Gurung

The well-known Box-Jenkins’ Autoregressive Integrated Moving Average (ARIMA) methodology for fitting time-series data has some major limitations. To this end, Exponential Autoregressive (EXPAR) family of models may be employed. An important characteristic feature of EXPAR is that it is capable of modelling those data sets that depict cyclical variations. Further, it can also be used when data s...

Journal: :American journal of epidemiology 2007
Vladeta Ajdacic-Gross Christoph Lauber Roberto Sansossio Matthias Bopp Dominique Eich Michael Gostynski Felix Gutzwiller Wulf Rössler

Psychiatrists, epidemiologists, and sociologists have debated the existence of an association between weather conditions and suicide seasonality since the preliminary statistical investigations in the 19th century. Provided that the effect of weather conditions on suicide operates via a dose-response-like mechanism, time-series (Box-Jenkins) analysis permits an indirect test of the hypothesis t...

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