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International Conference on Statistics, Combinatorics and Related Areas - 7th International Conference of the Forum for Interdisciplinary Mathematics
December 19-21, 2000
Indian Institute of Technology-Bombay
Mumbai, Maharastra, India

Organizers
Satya N. Mishra (University of South Alabama), Sanjeev V. Sabnis (IIT, Bombay)

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A model for Rainfall data - An application
by
K. Muralidharan
Bhavnagar University, Bhavnagar, Gujarat India

When we record rainfall data, during a season, it may happen that there may be days reported with zero rainfall corresponding to dry days. We propose a modified gamma distribution as a suitable model to represent such situations by mixture of a singular distribution at zero and a two parameter gamma distribution. We study the inferences if this model alongwith the asymptotic distribution of the parameters. Based on this 95Confidence Interval for the mean rainfall is obtained. The method is illustrated with a real life data on rainfall at two stations namely, Jalgaon and Coimbatore.

Date received: September 30, 2000

Copyright © 2000 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # cafr-04.