An Estimation of Survival and Hazard Rate Functions of Exponential Rayleigh Distribution | Zendy

Lamyaa Khalid Hussein | Zendy; Iden Hasan Hussein | Zendy; Huda Abdulla Rasheed | Zendy

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An Estimation of Survival and Hazard Rate Functions of Exponential Rayleigh Distribution

Author(s) -

Lamyaa Khalid Hussein,

Iden Hasan Hussein,

Huda Abdulla Rasheed

Publication year - 2021

Publication title -

ibn al- haitham journal for pure and applied science

Language(s) - English

Resource type - Journals

eISSN - 2521-3407

pISSN - 1609-4042

DOI - 10.30526/34.4.2706

Subject(s) - rayleigh distribution , estimation , christian ministry , exponential distribution , statistics , hazard , hazard ratio , maximum likelihood , distribution (mathematics) , exponential function , medicine , mathematics , probability density function , engineering , biology , political science , mathematical analysis , law , ecology , confidence interval , systems engineering

In this paper, we used the maximum likelihood estimation method to find the estimation values â€‹â€‹for survival and hazard rate functions of the Exponential Rayleigh distribution based on a sample of the real data for lung cancer and stomach cancer obtained from the Iraqi Ministry of Health and Environment, Department of Medical City, Tumor Teaching Hospital, depending on patients' diagnosis records and number of days the patient remains in the hospital until his death.

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