Update README.md

Author: solmvz

README.md

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-# DataScienceTools
-A study of basic ML tools and methods in R
+# Data Mining in R
+
+This repository focuses on basic machine learning (ML) tools and methods implemented in **R**. It serves as a practical study of common techniques for handling data and building predictive models.
+
+## Features
+- A collection of R scripts demonstrating various ML methods.
+- Simple examples to help understand key concepts in data science.
+
+Please refer to `DataScience-ch5.pdf` for detailed explanations on the methods and implementations.
+