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Photo by Lukas at pexel   To develop a pharmaceutical sales analytics system with geographical division and different categories of medicines, follow these steps: 1. Data Collection :    - Collect sales data from different regions.    - Gather data on different categories of medicines (e.g., prescription drugs, over-the-counter medicines, generic drugs).    - Include additional data sources like demographic data, economic indicators, and healthcare facility distribution. 2. Data Storage :    - Use a database (e.g., SQL, NoSQL) to store the data.    - Organize tables to handle regions, medicine categories, sales transactions, and any additional demographic or economic data. 3. Data Preprocessing :    - Clean the data to handle missing values and remove duplicates.    - Normalize data to ensure consistency across different data sources.    - Aggregate data to the required granularity (e.g., daily, weekly,...

  pic: microsoft Power BI Overview: Power BI is a business analytics tool by Microsoft that allows you to visualize and share insights from your organization's data. It provides a user-friendly interface to connect, transform, and visualize data from various sources, enabling data-driven decision-making across an organization. Key Components: 1. Power BI Desktop:    - Authoring tool to create reports and dashboards.    - Supports data modeling, transformation, and visualization. 2. Power BI Service:    - Cloud-based service to publish, share, and collaborate on reports and dashboards.    - Allows data refresh, schedule automatic updates, and sharing with stakeholders. 3. Power BI Mobile:    - Mobile apps for iOS and Android to access reports and dashboards on the go.    - Provides interactive and responsive views optimized for mobile devices. Basic Tools and Features: 1. Data Connections:    - Import data from va...