Column Quality Quiz
5 questions Pass: 70% +25 pts (50 with Pro)
Quiz covering Profile and Clean the Data
What you'll be asked
- In Power BI's Power Query Editor, which three metrics are displayed in the Column Quality view?
- You are importing a CSV file and notice a high 'Error' percentage in a numeric column. What is the most likely cause of these errors?
- If you apply the 'Remove Errors' transformation on a specific column in Power Query, what is the result on your dataset?
- While profiling a column, you see that it is 100% 'Valid' but has 0 'Unique' values and only 1 'Distinct' value. What does this indicate about the data?
- You are profiling a dataset with 100,000 rows. The Column Quality bar shows 0% Empty, but you know there are missing values in the bottom half of the file. Why is the profile showing 0% Empty?
Answers and explanations come after you submit.
Course Content
- Introduction to Power BI Data Sources
- Power BI Data Sources Quiz5q
- Connecting to Shared Semantic Models
- Shared Semantic Models Quiz5q
- Data Source Settings and Credentials
- Data Source Settings Quiz5q
- Privacy Levels in Power BI
- Privacy Levels Quiz5q
- DirectLake vs DirectQuery vs Import
- Storage Modes Quiz5q
- Creating and Modifying Parameters
- Parameters Quiz5q
- Selecting Appropriate Data Types
- Data Types Quiz5q
- Creating and Transforming Columns
- Transform Columns Quiz5q
- Grouping and Aggregating Rows
- Group Aggregate Quiz5q
- Pivot Unpivot and Transpose
- Pivot Unpivot Quiz5q
- Converting Semi-Structured Data
- Semi-Structured Data Quiz5q
- Creating Fact and Dimension Tables
- Fact Dimension Tables Quiz5q
- Reference vs Duplicate Queries
- Reference Duplicate Quiz5q
- Merging and Appending Queries
- Merge Append Quiz5q
- Creating Relationship Keys
- Relationship Keys Quiz5q
- Configuring Data Loading
- Data Loading Quiz5q
- Configuring Table and Column Properties
- Table Column Properties Quiz5q
- Implementing Role-Playing Dimensions
- Role-Playing Dimensions Quiz5q
- Relationship Cardinality and Cross-Filter
- Cardinality Cross-Filter Quiz5q
- Creating a Common Date Table
- Date Table Quiz5q
- Calculated Columns vs Calculated Tables
- Calculated Columns Tables Quiz5q
- Introduction to DAX
- DAX Introduction Quiz5q
- Creating Aggregation Measures
- Aggregation Measures Quiz5q
- The CALCULATE Function
- CALCULATE Function Quiz5q
- Time Intelligence Measures
- Time Intelligence Quiz5q
- Statistical Functions in DAX
- Statistical Functions Quiz5q
- Semi-Additive Measures
- Semi-Additive Measures Quiz5q
- Quick Measures in Power BI
- Quick Measures Quiz5q
- Calculation Groups
- Calculation Groups Quiz5q
- Selecting Appropriate Visuals
- Appropriate Visuals Quiz5q
- Formatting and Configuring Visuals
- Format Configure Visuals Quiz5q
- Narrative Visuals with Copilot
- Narrative Visuals Quiz5q
- Applying and Customizing Themes
- Themes Quiz5q
- Conditional Formatting
- Conditional Formatting Quiz5q
- Slicing and Filtering
- Slicing Filtering Quiz5q
- Using Copilot for Report Pages
- Copilot Reports Quiz5q
- Configuring Report Pages
- Report Pages Quiz5q
- Paginated Reports Overview
- Paginated Reports Quiz5q
- Visual Calculations with DAX
- Visual Calculations Quiz5q
- Configuring Bookmarks
- Bookmarks Quiz5q
- Creating Custom Tooltips
- Custom Tooltips Quiz5q
- Visual Interactions
- Visual Interactions Quiz5q
- Report Navigation
- Report Navigation Quiz5q
- Sorting and Sync Slicers
- Sorting Sync Slicers Quiz5q
- Selection Pane and Layering
- Selection Pane Quiz5q
- Drillthrough Navigation
- Drillthrough Quiz5q
- Export Settings
- Export Settings Quiz5q
- Mobile Report Design
- Mobile Design Quiz5q
- Report Personalization
- Personalization Quiz5q
- Accessibility in Power BI Reports
- Accessibility Quiz5q
- Automatic Page Refresh
- Auto Refresh Quiz5q
- The Analyze Feature
- Analyze Feature Quiz5q
- Grouping Binning and Clustering
- Grouping Binning Quiz5q
- AI Visuals in Power BI
- AI Visuals Quiz5q
- Reference Lines and Error Bars
- Reference Lines Quiz5q
- Forecasting in Power BI
- Forecasting Quiz5q
- Detecting Outliers and Anomalies
- Outliers Anomalies Quiz5q
- Copilot for Model Summarization
- Copilot Summarization Quiz5q
- Creating and Configuring Workspaces
- Workspaces Quiz5q
- Configuring and Updating Apps
- Apps Quiz5q
- Publishing and Importing Items
- Publishing Quiz5q
- Creating Dashboards
- Dashboards Quiz5q
- Distribution Methods
- Distribution Quiz5q
- Subscriptions and Data Alerts
- Subscriptions Alerts Quiz5q
- Promoting and Certifying Content
- Promote Certify Quiz5q
- Power BI Gateway
- Gateway Quiz5q
- Scheduled Refresh Configuration
- Scheduled Refresh Quiz5q
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