commit da1ece191e18fe6c02249a026c200732c07e10f5
Author: tejaswini <tejaswini@lynkeduppro.com>
Date:   Mon Sep 29 07:01:02 2025 +0000

    Data Analytics

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+# Data Analytics  
+
+## What is Data Analytics?  
+Data Analytics is the process of examining raw data to uncover patterns, correlations, trends, and insights that can support better decision-making. It involves collecting, cleaning, processing, and interpreting data using statistical, programming, and visualization techniques.  
+
+## Why is Data Analytics Used?  
+- To make data-driven decisions.  
+- To identify patterns and predict future trends.  
+- To improve efficiency and reduce costs.  
+- To understand customer behavior and enhance experiences.  
+- To detect risks or fraud in business operations.  
+- To support strategic planning with evidence-based insights.  
+
+## Role and Responsibilities of a Data Analyst  
+- **Data Collection** - Gather data from multiple sources (databases, APIs, spreadsheets, etc.).  
+- **Data Cleaning & Preparation** – Handle missing values, remove duplicates, standardize formats.  
+- **Exploratory Data Analysis (EDA)** – Find patterns, trends, and relationships.  
+- **Data Visualization** – Present insights via dashboards, charts, and graphs.  
+- **Reporting & Communication** – Share findings with stakeholders in business-friendly language.  
+- **Statistical & Predictive Analysis** – Use models to forecast and simulate scenarios.  
+- **Collaboration** – Work with business, data engineers, and data scientists to improve systems.  
+
+## Tools Required for Data Analytics  
+
+Here’s a categorized list with official download links and why they’re used:  
+
+### 1. [Python](https://www.python.org/downloads/)  
+**Uses:** Widely used for data analysis, machine learning, and automation with powerful libraries like Pandas, NumPy, Matplotlib, and Scikit-learn.  
+
+### 2. [Excel (with Power Query & Power Pivot)](https://www.microsoft.com/en-us/microsoft-365/excel)  
+**Uses:** Essential for data manipulation, cleaning, and reporting. Power Query enables data extraction and transformation, while Power Pivot helps with data modeling and analysis.  
+
+### 3. [Tableau (Public Edition)](https://public.tableau.com/en-us/s/download)  
+**Uses:** Provides intuitive drag-and-drop dashboards for data visualization and storytelling, making insights easy to understand.  
+
+### 4. [Power BI (Desktop)](https://www.microsoft.com/en-us/download/details.aspx?id=58494)  
+**Uses:** Microsoft’s business intelligence tool, great for interactive dashboards and integrates seamlessly with Excel and databases.  
+
+### 5. [MySQL (Community Server)](https://dev.mysql.com/downloads/mysql/)  
+**Uses:** A popular open-source relational database for storing, managing, and querying structured data efficiently.