Power BI workflow (get data, transform, visualize, share) - Dashboard Guide

Dashboard Mode - Power BI workflow (get data, transform, visualize, share)

Business Question

How can we use Power BI to collect sales data, clean it, create visuals, and share insights with the team?

Sample Data

Order ID	Product	Region	Sales Amount	Order Date
1001	Chair	East	250	2024-01-15
1002	Table	West	450	2024-01-20
1003	Desk	East	300	2024-02-05
1004	Chair	South	150	2024-02-10
1005	Table	North	500	2024-02-15
1006	Desk	West	350	2024-03-01
1007	Chair	East	200	2024-03-05

Dashboard Components

• KPI Card: Total Sales
  Formula: Total Sales = SUM('Sales'[Sales Amount])
  Result: 2200
• Bar Chart: Sales by Region
  X-axis: Region
  Y-axis: Sum of Sales Amount
  Shows total sales for East (750), West (800), South (150), North (500)
• Line Chart: Sales Over Time
  X-axis: Order Date (by month)
  Y-axis: Sum of Sales Amount
  Shows sales trend from January to March 2024
• Table: Sales Details
  Columns: Order ID, Product, Region, Sales Amount, Order Date
  Shows all rows from sample data

Dashboard Layout

+----------------------+----------------------+
|      Total Sales      |    Sales by Region   |
|       (KPI Card)      |      (Bar Chart)     |
+----------------------+----------------------+
|    Sales Over Time    |    Sales Details     |
|      (Line Chart)     |       (Table)        |
+----------------------+----------------------+ 

Interactivity

Adding a slicer for Region filters all visuals: Total Sales, Sales by Region, Sales Over Time, and Sales Details update to show data only for the selected region(s).

Selecting a month in the Sales Over Time line chart highlights corresponding rows in the Sales Details table.

Self Check

If you add a filter for Region = East, which components update and what changes occur?

• Total Sales: Updates to 750
• Sales by Region: Shows only East region bar
• Sales Over Time: Shows sales trend only for East region
• Sales Details: Shows only rows where Region is East

Key Result

A Power BI dashboard showing total sales, sales by region, sales trend over time, and detailed sales data with interactive region filtering.

Practice

1. Which of the following is the correct order of steps in the Power BI workflow?

easy

A. Share reports, get data, transform data, visualize data

B. Get data, transform data, visualize data, share reports

C. Visualize data, get data, share reports, transform data

D. Transform data, share reports, get data, visualize data

Solution

1. Step 1: Understand the Power BI workflow steps

   The workflow starts by getting data from sources, then transforming it to clean and shape it.

2. Step 2: Follow the logical sequence to create insights

   After transforming, you visualize the data to see insights, then share reports with others.

3. Final Answer:

   Get data, transform data, visualize data, share reports -> Option B

4. Quick Check:

   Workflow order = Get, Transform, Visualize, Share [OK]

Hint: Remember: Get, Transform, Visualize, then Share [OK]

Common Mistakes:

• Mixing visualization before transforming data
• Sharing reports before creating visuals
• Starting with sharing instead of getting data

2. Which Power BI feature is used to clean and reshape data after importing it?

easy

A. Power Query Editor

B. Power BI Service

C. Power BI Visualizations

D. Power BI Dashboard

Solution

1. Step 1: Identify the tool for data transformation

   Power Query Editor is the tool inside Power BI used to clean and transform data after import.

2. Step 2: Differentiate from other features

   Power BI Service is for sharing, Visualizations are for charts, and Dashboards display visuals.

3. Final Answer:

   Power Query Editor -> Option A

4. Quick Check:

   Data transform tool = Power Query Editor [OK]

Hint: Data cleaning happens in Power Query Editor [OK]

Common Mistakes:

• Confusing Power BI Service with data transformation
• Thinking visualizations clean data
• Mixing dashboards with data import

3. After importing sales data and transforming it, you create a bar chart showing total sales by region. What is the next step to share this insight with your team?

medium

A. Transform the data again in Power Query Editor

B. Delete the report

C. Create a new data source

D. Publish the report to Power BI Service

Solution

1. Step 1: Understand the workflow after visualization

   Once the bar chart report is ready, the next step is to share it with others.

2. Step 2: Use the correct sharing method in Power BI

   Publishing the report to Power BI Service allows team members to access and view it online.

3. Final Answer:

   Publish the report to Power BI Service -> Option D

4. Quick Check:

   Sharing step = Publish report [OK]

Hint: Publish reports to share with your team [OK]

Common Mistakes:

• Trying to transform data again unnecessarily
• Creating new data sources instead of sharing
• Deleting reports instead of sharing

4. You imported data but the visuals show incorrect totals. Which step likely caused this issue?

medium

A. Creating visuals before importing data

B. Publishing the report to Power BI Service

C. Skipping data transformation in Power Query Editor

D. Sharing the report without permission

Solution

1. Step 1: Identify the cause of incorrect totals

   If data is not cleaned or transformed properly, totals can be wrong due to errors or duplicates.

2. Step 2: Recognize the role of data transformation

   Power Query Editor is where you fix data issues before visualizing; skipping it causes wrong results.

3. Final Answer:

   Skipping data transformation in Power Query Editor -> Option C

4. Quick Check:

   Incorrect totals = Skipped transform step [OK]

Hint: Always transform data before visualizing [OK]

Common Mistakes:

• Blaming publishing for data errors
• Creating visuals without data is impossible
• Confusing sharing permissions with data issues

5. You have sales data from multiple sources with different date formats. How should you handle this in Power BI to create a unified sales report?

hard

A. Use Power Query Editor to standardize date formats before creating visuals

B. Create visuals directly and fix date formats in the report view

C. Publish raw data and ask users to interpret date differences

D. Skip data transformation and only share raw data

Solution

1. Step 1: Recognize the need for consistent data

   Different date formats cause confusion and errors in reports, so standardization is needed.

2. Step 2: Apply transformation in Power Query Editor

   Power Query Editor lets you convert all dates to a single format before visualization, ensuring accuracy.

3. Step 3: Create visuals after data is clean

   Once dates are standardized, you can build reliable visuals and share meaningful reports.

4. Final Answer:

   Use Power Query Editor to standardize date formats before creating visuals -> Option A

5. Quick Check:

   Standardize dates in transform step [OK]

Hint: Fix data issues early in Power Query Editor [OK]

Common Mistakes:

• Trying to fix dates in visuals instead of data
• Sharing raw inconsistent data
• Ignoring data transformation step