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Report Building & Best Practices

  • Learn best practices for building clean and professional Power BI reports.

  • Steps to Build Reports & Dashboards

    Using Microsoft Power BI Desktop and publishing to Microsoft Power BI Service, follow this professional workflow:

    Step 1: Understand Business Requirement

    Before opening Power BI:

    • What is the goal? (Sales tracking? Profit analysis?)

    • Who is the audience? (Manager, CEO, HR?)

    • What KPIs are important?

    70% success depends on requirement clarity.

    Step 2: Connect & Clean Data

    • Import data (Excel, SQL, etc.)

    • Use Power Query to clean

    • Remove duplicates

    • Fix data types

    • Rename columns properly

    Step 3: Data Modeling

    • Create relationships

    • Follow Star Schema (Fact + Dimension tables)

    • Create Measures using DAX (NOT too many calculated columns)

    Good model = Better performance.

    Step 4: Create Core KPIs

    Start with:

    • Total Sales

    • Total Profit

    • Growth %

    • Count of Orders

    Always place KPIs at top of report.

    Step 5: Add Visuals

    • Choose visuals based on data type

    • Add slicers for filtering

    • Keep interaction clean

    Step 6: Format & Design

    • Apply consistent theme

    • Use company branding colors

    • Maintain alignment & spacing

    Step 7: Publish & Create Dashboard

    • Publish to Power BI Service

    • Pin visuals to dashboard

    • Set data refresh schedule

    • Share with stakeholders


    Choosing the Right Visuals

    Choosing correct visual improves clarity.

    Business Question

    Recommended Visual

    Compare categories

    Bar/Column Chart

    Trend over time

    Line Chart

    Part-to-whole

    Pie / Donut

    Detailed data

    Table / Matrix

    KPI highlight

    Card

    Geographic data

    Map

    Quick Rule

    • Time-based → Line Chart

    • Comparison → Bar Chart

    • Summary number → Card

    • Relationship → Scatter Chart

    Don’t use Pie chart for too many categories (max 4–5).


    Report Layout & Design Tips

    Follow Z-Pattern Layout

    Top-left → Top-right → Middle → Bottom

    Users scan report in Z pattern.

    Keep KPIs at Top

    Example layout:

    [ KPI Cards ]
     [ Trend Chart ]
     [ Category Breakdown ]
     [ Detailed Table ]

    Use White Space

    Avoid crowding visuals.
     Clean space = Professional look.

    Limit Colors

    • Use 2–3 main colors

    • Highlight important KPI with accent color

    • Avoid rainbow dashboards

    Maintain Consistency

    ✔ Same font size
     ✔ Same color theme
     ✔ Same chart style across pages

    Add Proper Titles

    Instead of:
     “Sales Data”

    Write:
     “Monthly Sales Trend – 2025”


    Best Practices for Starting a Power BI Project

    1. Define Objective Clearly

    Always start with:

    • What problem are we solving?

    2. Use Proper Naming Convention

    Example:

    • dim_customer

    • fact_sales

    • Total_Sales_Measure

    Clean naming helps in big projects.

    3. Use Measures Instead of Calculated Columns

    Measures:
     ✔ Better performance
     ✔ Flexible aggregation

    4. Follow Star Schema

    Fact Table → Sales
     Dimension Tables → Customer, Product, Date

    Avoid too many-to-many relationships.

    5. Avoid Overloading Report

    Bad practice:

    • 20 visuals on 1 page

    Good practice:

    • 5–7 meaningful visuals

    6. Optimize Performance

    • Remove unused columns

    • Disable Auto Date/Time

    • Reduce high-cardinality columns

    7. Always Test Filters

    Check:

    • Do slicers work properly?

    • Are totals correct?

    • Are interactions confusing?

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