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Browsing by Author "Elamir, Elsayed A. H."

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Browsing by Author "Elamir, Elsayed A. H."

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  • Analysis of Total Differences with Application to Productivity Improvement 
    Elamir, Elsayed A. H. (2015)
    One way analysis of Gini’s mean difference (ANOMD) about mean and median is derived where the total sum of differences is partition into exact between sum of differences and exact within sum of differences. ANOMD has ...
  • Analysis of Variance versus Analysis of Means: A Comparative Study 
    Elamir, Elsayed A. H. (2016-04)
    One-way analysis of variance (ANOVA) model is very famous and versatile statistical technique for studying the relation between response variable and one or more explanatory or predictor variables. In effect, ANOVA extends ...
  • Boosting Algorithms to Analyse Firm’s Performance Based on Return on Equity: An Explanatory Study 
    Elamir, Elsayed A. H. (2020-07-01)
    This study aims to use the boosting techniques especially gradient boosting and its extension extreme gradient boosting in predicting firm performance in terms of return on equity that may be considered as a measure of ...
  • New Formulae and Uses of Mean Absolute Deviation 
    Elamir, Elsayed A. H. (2015)
    Mean absolute deviation about mean and median is extended to define “MAD-comoment” similarly analogous to classical central moment notation of covariance. Therefore, the “MAD-comoment” is used to derive the coefficient of ...
  • On Uses of Dot Chart 
    Elamir, Elsayed A. H. (2016-10)
    A simple and informative dot-chart is presented that gives clear picture and insight into the nature of the data by partitions the unity using cumulative distribution function into two parts below and above the mean to ...
  • Statistical Disclosure Risk: An Overview 
    Elamir, Elsayed A. H. (2014)
    National statistical institutes (NIS) publish a wide range of trusted, high quality statistical outputs. To achieve their objective of supplying society with rich statistical information these outputs are as detailed as ...

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