Journal ArticleDOI
A Versatile Four Parameter Family of Probability Distributions Suitable for Simulation
Reads0
Chats0
TLDR
In this paper, a family of distributions is presented, including those of the exponential, Bernoulli and uniform distributions, and properties of the distribution and methods of parameter determination are developed.Abstract:
Methods are well-known for generating random values from many common statistical distributions. These common distributions are sometimes used in simulation studies due to the lack of convenient methods of generating random values from distributions having more arbitrary shapes. A family of distributions is presented here which assumes many shapes, including those of the exponential, Bernoulli and uniform distributions. Any given first four moments may be obtained through manipulation of four parameters. The inverse cdf exists in closed form, allowing straightforward generation of random values given a source of U(0,1) values. Properties of the distribution and methods of parameter determination are developed.read more
Citations
More filters
Journal ArticleDOI
The Newsboy Problem under Alternative Optimization Objectives
TL;DR: In this paper, the authors consider the newsboy problem under two new objectives: maximising expected utility and maximising the probability of achieving a budgeted profit, and develop a group of formulas for handling the partial moments arising from adopting this objective.
Journal ArticleDOI
Scheduling doctors' appointments: optimal and empirically-based heuristic policies
TL;DR: In this paper, the authors used the structure of the optimal solution as the basis for a simple closed-form heuristic for setting appointment times, which was shown to perform on average within 2% (and generally within 0.5%) of an optimal policy.
Journal ArticleDOI
Statistical properties of construction duration data
Simaan AbouRizk,Daniel W. Halpin +1 more
TL;DR: Simulators of construction operations often must approximate the underlying distribution of a random process using a standard statistical distribution eg, lognormal, normal, and beta In many of as discussed by the authors.
Journal ArticleDOI
Fitting beta distributions based on sample data
TL;DR: A computer program founded upon several fast, robust numerical procedures based on a number of statistical-estimation methods is presented, and it is found that the least-square minimi- zation method provided better quality fits in general, compared to the other two approaches.
References
More filters
Journal ArticleDOI
Contributions to the Mathematical Theory of Evolution
TL;DR: In this paper, the authors discuss the dissection of abnormal frequency-curve into normal curves, which is a special case of the normal curve problem, and the equations for dissection into n normal curves can be written down in the same manner as for the case of n = 2.
Journal ArticleDOI
Contributions to the Mathematical Theory of Evolution. II. Skew Variation in Homogeneous Material
TL;DR: In this paper, the authors considered the class of asymmetrical frequency curves, where the tendency to deviation on one side of the mean is unequal to the tendency of deviation on the other side.
Book
Statistical models in engineering
Gerald J. Hahn,Samuel S. Shapiro +1 more
TL;DR: Probability and Random Variables. as discussed by the authors The Transformation of Variables and Discrete Statistical Distributional Assumptions (DSD) is a well-known method for regression analysis.