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README.md

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+[build-url]: https://github.com/LAMPSPUC/SARIMAX.jl/actions/workflows/ci.yml
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 # Sarimax.jl
 
+| **Build Status** | **Coverage** |
+|:-----------------:|:-----------------:|:-----------------:|
+| [![Build Status][build-img]][build-url] | [![Codecov branch][codecov-img]][codecov-url] |
+
 Introducing Sarimax.jl, a groundbreaking Julia package that redefines SARIMA (Seasonal Autoregressive Integrated Moving Average) modeling by seamlessly integrating the JuMP framework — a powerful optimization modeling language. Unlike traditional SARIMA methods, Sarimax.jl leverages the optimization capabilities of JuMP, allowing for precise and customizable SARIMA models.
 
 ## Quickstart