മിനിട്ടുകൾക്കകം POWER BI പഠിക്കാം | Power BI Tutorial for Beginners | Power BI Malayalam

Introduction

This tutorial provides a step-by-step guide to learning Power BI, particularly for beginners. Based on a comprehensive video in Malayalam, you will gain insights into the installation, interface, and various functionalities of Power BI. By the end of this guide, you'll be equipped to create your first dashboard and use powerful features like data modeling and DAX functions.

Step 1: Installing Power BI

• Visit the official Power BI website or the Microsoft Store.
• Download the Power BI Desktop application.
• Follow the installation prompts:
  • Accept the terms and conditions.
  • Choose the installation location.
  • Complete the installation process.

Step 2: Exploring the Power BI Interface

• Open Power BI Desktop.
• Familiarize yourself with the main components:
  • Ribbon: Contains tools for data import, visualization, and modeling.
  • Report View: Where you create and design your dashboard.
  • Data View: Allows you to view and manage your data tables.
  • Model View: Helps in creating relationships between different data tables.
• Adjust settings to personalize your workspace.

Step 3: Creating Your First Power BI Dashboard

• Import data:
  • Click on the "Get Data" button in the ribbon.
  • Choose your data source (Excel, SQL server, etc.).
  • Load the data into Power BI.
• Start visualizing:
  • Drag and drop fields onto the report canvas.
  • Choose visualization types (charts, tables, etc.) from the Visualizations pane.
• Customize your visuals:
  • Use the formatting options to adjust colors, labels, and titles.

Step 4: Understanding Data Modeling

• Learn to create relationships:
  • Navigate to the Model View.
  • Drag and connect fields from one table to another to establish relationships.
• Use calculated columns and measures to enhance your data:
  • Right-click on a table and select "New Column" or "New Measure" to create calculations.

Step 5: Sorting and Conditional Formatting

• Sort data in visuals:
  • Click on the visual and select the "Sort" option in the Visualizations pane.
• Apply conditional formatting:
  • Select a visual, go to the Format pane, and find the Conditional Formatting section.
  • Set rules based on your data to highlight specific values.

Step 6: Implementing TOP N Filtering

• Add filtering to your visuals:
  • Click on the visual you want to filter.
  • In the Filters pane, select the field to filter by.
  • Choose "Top N" and specify the number of top items you wish to display.

Step 7: Using Card Visualization

• Create a Card visual:
  • Drag a single value field onto the canvas and select the Card visualization.
  • Customize the appearance in the Format pane to enhance readability.

Step 8: Mastering DAX Functions

• Understand the basics of DAX (Data Analysis Expressions):
  • DAX is used for creating custom calculations in Power BI.
• Start with simple DAX formulas:
  • Use the formula bar to create new measures, for example:

    Total Sales = SUM(Sales[Amount])
    

Step 9: The Power of Slicers

• Add slicers to your dashboard for interactivity:
  • Select the Slicer visualization from the Visualizations pane.
  • Drag the field you want to filter on into the slicer.
  • This allows users to filter visuals dynamically based on their selection.

Conclusion

By following this guide, you have learned the fundamentals of Power BI, including installation, interface navigation, dashboard creation, data modeling, and advanced features like DAX and slicers. To deepen your knowledge, practice using these features with different datasets and explore online resources for further learning. Happy analyzing!