Plus | Hyfran

The Hyfran Plus boasted several game-changing features:

: Beyond hydrology, it is applied in environmental studies, medical sciences, and any field requiring the analysis of Independent and Identically Distributed (IID) data series.

The platform provides access to numerous probability distributions. This includes heavy-tailed laws like Fréchet, sub-exponential distributions like Gumbel, and standard exponential laws. hyfran plus

The software has been successfully deployed in hydrological studies across the world:

(Hydrological Frequency Analysis). It was created by Professor Taha B.M.J. Ouarda and his team at INRS to provide a user-friendly interface for complex mathematical models. It allowed researchers to: Frequency Analysis on independent and identically distributed (IID) data. The Hyfran Plus boasted several game-changing features: :

As of 2026, it remains a valuable tool in hydrology, specifically for analyzing independent and identically distributed (IID) data. 1. What is HYFRAN-PLUS?

HYFRAN-PLUS is built on rigorous statistical foundations. The software allows users to fit a large number of statistical distributions to data series that satisfy the fundamental assumptions of . These assumptions are essential for valid frequency analysis, and HYFRAN-PLUS provides built-in tests to verify them. The software has been successfully deployed in hydrological

While HYFRAN-PLUS is a powerful specialized tool, other software options exist for frequency analysis:

is an authoritative statistical analysis software package designed specifically to model and analyze extreme environmental events. Primarily utilized by hydrologists, civil engineers, and environmental researchers, the software excels at fitting advanced mathematical probability distributions to independent and identically distributed (IID) historical data series. This critical process allows professionals to confidently predict maximum rainfall depths, flood discharge peaks, and severe drought patterns over specific return periods (e.g., 2, 5, 25, 50, or 100 years). By converting chaotic historical climate data into precise predictive curves, HYFRAN-PLUS serves as an essential foundational tool for civil infrastructure design, risk zoning, and water resource management globally. Core Applications in Hydrology and Engineering

: It supports multiple probability laws such as Gumbel , Weibull , GEV (Generalized Extreme Value), Log-Pearson Type 3 , and Gamma .