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pro vyhledávání: '"Tobias Ejiofor Ugah"'
Autor:
Tobias Ejiofor Ugah, Emmanuel Ikechukwu Mba, Micheal Chinonso Eze, Kingsley Chinedu Arum, Ifeoma Christy Mba, Henrietta Ebele Oranye
Publikováno v:
Journal of Applied Mathematics, Vol 2021 (2021)
A bewildering large number of test statistics have been found for testing the presence of an outlier in multiple linear regression models. Exact critical values of these test statistics are not available, and approximate ones are usually obtained by
Externí odkaz:
https://doaj.org/article/28dc627aeb004737bb15f73c8e234110
Publikováno v:
JP Journal of Biostatistics. 18:489-504
Publikováno v:
Journal of Statistics and Management Systems. 24:1283-1300
The development and application of the traditional univariate and multivariate quality control charts are distribution-based following the assumption that the process outputs come from some specifi...
Autor:
Chigozie Louisa Jane Ugwu, Kingsley Chinedu Arum, Pascal Ifeanyi Agu, Henrietta Ebele Oranye, Chinonso Paul Nweke, Tobias Ejiofor Ugah
Publikováno v:
International Journal of Statistics and Applied Mathematics. 6:21-26
Hypertension arises when the blood pressure against the artery walls is very high. Blood pressure is represented with two numbers. The first number (systolic) signifies the pressure in blood vessels when the heart beats and while second number (diast
Publikováno v:
J Appl Stat
This paper considers the vector autoregressive model of order p, VAR(p), with multivariate t error distributions, the latter being more prevalent in real life than the usual multivariate normal distribution. It is believed that the maximum-likelihood
Publikováno v:
Journal of Information and Optimization Sciences. 41:1207-1221
Stochastic approximation procedures have been extensively used in solving stochastic optimization problems. Gradient projection algorithm (GPA) plays an important role in solving constrained convex...
Autor:
Henrietta Ebele Oranye, Kingsley Chinedu Arum, Emmanuel Ikechukwu, Micheal Chinonso Eze, Tobias Ejiofor Ugah, Ifeoma Christy
Publikováno v:
Journal of Applied Mathematics, Vol 2021 (2021)
A bewildering large number of test statistics have been found for testing the presence of an outlier in multiple linear regression models. Exact critical values of these test statistics are not available, and approximate ones are usually obtained by
Publikováno v:
Journal of Mathematics and Statistics. 14:201-208
Missing values occur in almost all research which lead to ambiguity in data analysis. It becomes necessary that appropriate consideration is made in order to provide an efficient and valid analysis. Researchers have developed and compared a variety o