April 2013
Information theoretic methods in parameter estimation
In the present communication entropy optimization principles namely maximum entropy principle and minimum cross entropy principle are defined and a critical approach of parameter estimation methods using entropy optimization methods is described in brief. Maximum entropy principle and its applications in deriving other known methods in parameter estimation are discussed. The relation between maximum...
April 2013
Specification parameters for linear estimators in probability proportional to size sampling scheme
Estimation of population parameters using the generalized moment estimators under probability proportional to size sampling scheme requires that the specification parameter, k defining these moments differs from one population to the other due to varying statistical properties of the study and measure of size variables. In this study, the approximate value of the specification parameter that minimizes the...
April 2013
A quasi Lindley distribution
A two-parameter Quasi Lindley distribution (QLD), of which the Lindley distribution (LD) is a particular case, has been introduced. Its moments, failure rate function, mean residual life function and stochastic orderings have been discussed. It is found that the expressions for failure rate function, mean residual life function, and stochastic orderings of the QLD shows its flexibility over Lindley...
April 2013
Profit maximization among dry season vegetable farmers
Dry season vegetable production in Nigeria has become as important as income generating occupation that there are always shortages of suitable land for the numerous producers. Production is undertaken under irrigation and it is characterized by intense mixed cropping. Four major inputs are put into consideration apart from land allocation in vegetable production, they are: hired labor activities, fertilizer...
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