الأبحاث

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أحمد زكريا محمد عفيفى

أستاذ مساعد

كلية التجارة الاحصاءات والرياضيات والتأمينات

The accelerated failure time regression model under the extended-exponential distribution with survival analysis.

2024

A new oneparameter flexible family with variable failure rate shapes: properties, inference, and real-life applications.

2024

The Lambert-G family: properties, inference, and applications.

2024

A new zero–inflated regression model with applications to Australian health survey and biochemistry graduate students data.

2024

An extended symmetrical and asymmetrical generator: properties, inference, actuarial measures, and applications.

2024

The flexible Fréchet distribution: properties, inference, and medical applications.

2024

The exponentiated-Weibull proportional hazard regression model with application to censored survival data.

2024

Forecasting of crude oil prices using hybrid time series and machine learning models.

2024

A new modified estimator of population variance in calibrated survey sampling.

2024

A unified family for generating probabilistic models: properties, Bayesian and non-Bayesian inference with real-data applications.

2024

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Data Analysis

Distribution Theory

Estimation

Reliability

Simulation