Volume-5 , Issue-1 , Feb 2018, ISSN 2348-4519 (Online) Go Back

• Open Access   Article

  Improved GMM Estimation of AR(1) Time Series with a Root near 1

  B.F. Chakalabbi , Sanmati. Neregal and Sagar. Matur

  Research Paper | Isroset-Journal (IJSRMSS)

  Vol.5 , Issue.1 , pp.1-10, Feb-2018

  CrossRef-DOI:   https://doi.org/10.26438/ijsrmss/v5i1.110

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  Abstract
  In this paper, to estimate AR(1) time series model First-difference GMM and Level GMM estimation methods have been considered, which have already performed well for estimation of AR(1) panel data model. A Monte Carlo simulation is carried out in order to study the performances of the above mentioned estimators and OLS estimator. Further, comparison among these estimators have been done in terms of bias and RMSE. Study reveals that, in many cases the OLS and First difference GMM estimators behave same in terms of Bias and RMSE. For all the negative values of autoregressive parameter the RMSE and bias of Level GMM estimator is larger than the remaining estimators. But in the case of positive values of autoregressive parameter Level GMM estimator performs better than First-difference GMM and OLS estimators especially, when sample size is small and autoregressive parameter is close to one.

  Key-Words / Index Term
  AR(1), First-difference GMM estimation, Level GMM estimation, OLS, Monte Carlo simulation

  References
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  Citation
  B.F. Chakalabbi , Sanmati. Neregal and Sagar. Matur, "Improved GMM Estimation of AR(1) Time Series with a Root near 1," International Journal of Scientific Research in Mathematical and Statistical Sciences, Vol.5, Issue.1, pp.1-10, 2018

• Open Access   Article

  Magnetized Anti-stiff fluid Cosmological Models with Variable Cosmological Constant

  S.R. Bhoyar, V.R. Chirde

  Research Paper | Isroset-Journal (IJSRMSS)

  Vol.5 , Issue.1 , pp.11-18, Feb-2018

  CrossRef-DOI:   https://doi.org/10.26438/ijsrmss/v5i1.1118

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  Abstract
  Bianchi type-III and Kantowski Sachs cosmological model containing magnetic field with variable cosmological constant ( ) has been studied in general theory of relativity. The general solutions of the Einstein’s field equations for the cosmological models have been obtained under the assumption of anti-stiff fluid (relation between pressure and density). The behavior of the model in presence of magnetic field and singularities in the model are discussed in detail. Furthermore some physical and geometrical aspects of the model are discussed. Our derived model represents shearing, non-rotating and expanding model of the universe with big-bang starts with both scale factors is monotonically increasing function of t.

  Key-Words / Index Term
  Bianchi type-III and Kantowaski Sachs model, anti-stiff fluid, variable A

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  Citation
  S.R. Bhoyar, V.R. Chirde, "Magnetized Anti-stiff fluid Cosmological Models with Variable Cosmological Constant," International Journal of Scientific Research in Mathematical and Statistical Sciences, Vol.5, Issue.1, pp.11-18, 2018

• Open Access   Article

  Computing and Information Sciences with changing entry criteria from Non Mathematical Sciences: International Trends and its adoption in Indian Private Universities—Study of BCA Program

  P.K. Paul, P.S. Aithal, A. Bhuimali

  Research Paper | Isroset-Journal (IJSRMSS)

  Vol.5 , Issue.1 , pp.19-24, Feb-2018

  CrossRef-DOI:   https://doi.org/10.26438/ijsrmss/v5i1.1924

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  Abstract
  Computing is an important branch of study due to its importance in different sectors and segments. The academic program in the field of Computing varies country to country. The nomenclatures are also different and organizations and institutes use different nomenclatures in their respective fields. The broadest areas of Computing and Information related areas are called Information Science. In India computing and other science and technology programs are available in both science and engineering track. Computer Science is a theoretical subject and mainly concentrated on the internal affairs of the computer. It is focused with structure and architecture, speed, processing, intelligence etc. It is also dedicated to the hardware centric areas and purely mathematical. Though Computer Application is an applied branch and it is mainly concentrated on software technologies and systems. It is less mathematical and concentrated on internal affairs. It is rather application oriented and focused with the programming technologies. Computer Application comes with two main degrees viz. BCA and MCA. Among these two, MCA is more popular due to its wider acceptance and entry with bachelors in the diverse field of study. Though the eligibility criteria become more flexible these days and universities are moving towards more justified and relevant criteria in this regard. This paper is dedicated to explore this affair in brief. Moreover, the paper is dedicated and focused on private universities in this regard with special reference to changing eligibility criteria, norms, and flexibilities keeping the demand in mind.

  Key-Words / Index Term
  Information, Computing, Information Systems, India, Development, BCA, MCA, Higher Education, Research and Development, Universities

  References
  [1] Desai, S., & Kulkarni, V. (2008). Changing educational inequalities in India in the context of affirmative action. Demography, 45(2), 245-270.
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  [4] Bhattacharya, I., & Sharma, K. (2007). India in the knowledge economy–an electronic paradigm. International Journal of Educational Management, 21(6), 543-568.
  [5] Paul, P.K. and Bhuimali, A. and Aithal, P. S., (2017). Indian Higher Education: With Slant to Information Technology— a Fundamental Overview. International Journal on Recent Researches In Science, Engineering & Technology, 5(11), 31-50.
  [6] Paul, P.K. and Aithal, P. S. (2017) Bachelor of Computer Applications (BCA): An Applied Science Program into a New Direction? Educational Quest: An Int. J. of Education and Applied Social Science, 8(4), 1-9.
  [7] Paul, P.K., Aithal, P. S., Bhuimali, A., & Kumar, K. (2017). Emerging Degrees and Collaboration: The Context of Engineering Sciences in Computing & IT—An Analysis for Enhanced Policy Formulation in India. International Journal on Recent Researches In Science, Engineering & Technology, 5(12), 13-27.
  [8] Paul, P.K., Bhuimali, A., Aithal, P. S. & Rajesh, R., (2017). Bachelor`s Degree in Computing and Allied Fields in India Emphasizing Private Universities — A Study of Science Platform (BCA & BSc). International Journal on Recent Researches in Science, Engineering & Technology, 5(12), 1-12.
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  [10] Tayade, M. C., & Kulkarni, N. B. (2011). The Interface of technology and medical education in india: current trends and scope. Indian Journal of Basic & Applied Medical Research, 1(1), 8-12.
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  Citation
  P.K. Paul, P.S. Aithal, A. Bhuimali, "Computing and Information Sciences with changing entry criteria from Non Mathematical Sciences: International Trends and its adoption in Indian Private Universities—Study of BCA Program," International Journal of Scientific Research in Mathematical and Statistical Sciences, Vol.5, Issue.1, pp.19-24, 2018

• Open Access   Article

  A Non-parametric Approach to estimate the technical efficiency of paddy farmers in southern region of Tamil Nadu, India

  S.Kannaki, L. Mary Louis

  Research Paper | Isroset-Journal (IJSRMSS)

  Vol.5 , Issue.1 , pp.25-28, Feb-2018

  CrossRef-DOI:   https://doi.org/10.26438/ijsrmss/v5i1.2528

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  Abstract
  The purpose of the study is to analyze the technical efficiency level of paddy farmers in Thiruvarur District of Tamil Nadu, India. A Non-Parametric approach of Data Envelopment Analysis method (DEA) was employed to measure the technical efficiency under Variable returns to Scale (VRS) with output oriented assumption. A primary data for the year 2015-16 was collected from 300 farmers of Thiruvarur District in Tamil Nadu. The findings shows that the average technical efficiency was 64% which implied that 64% of the farmer in the study area had realized their technical abilities. The estimated technical efficiency range varied from 14% to 100% and also 13 farmers were technically efficient. Average potential to increase the paddy production was 83% by following the best-practices of efficient farms. Tobit regression model was applied in this study to examine the socio-economic factors influences technical efficiency. The result shows that age of the farmer, sex and marital status had positive relationship to the technical efficiency.

  Key-Words / Index Term
  Technical efficiency, Data Envelopment Analysis, paddy production, Tobit regression analysis

  References
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  Citation
  S.Kannaki, L. Mary Louis, "A Non-parametric Approach to estimate the technical efficiency of paddy farmers in southern region of Tamil Nadu, India," International Journal of Scientific Research in Mathematical and Statistical Sciences, Vol.5, Issue.1, pp.25-28, 2018

• Open Access   Article

  Analysis of Exponential Logarithmic Lifetime Distribution

  Anoop Chaturvedi, Maneesh Kumar Dubey

  Research Paper | Isroset-Journal (IJSRMSS)

  Vol.5 , Issue.1 , pp.29-34, Feb-2018

  CrossRef-DOI:   https://doi.org/10.26438/ijsrmss/v5i1.2934

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  Abstract
  This paper describes the Bayesian inference and prediction of the Exponential Logarithmic distribution . The aim of this paper is to obtain the Bayesian inference of the unknown parameters under different loss functions. The Bayes estimates can be obtained and it has been used to compute the Bayes estimates and also to construct symmetric loss function. We consider the posterior predictive density of the future observations and also asymmetric loss function.

  Key-Words / Index Term
  Lifetime distributions, reliability, failure rate, order statistics, exponential distribution, truncated logarithmic distribution

  References
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  Citation
  Anoop Chaturvedi, Maneesh Kumar Dubey, "Analysis of Exponential Logarithmic Lifetime Distribution," International Journal of Scientific Research in Mathematical and Statistical Sciences, Vol.5, Issue.1, pp.29-34, 2018