Data Analysts - SQL, Tableau, Excel, Power BI & Python
February 26, 2025 at 06:45 AM
Essentials of MS Excel to learn for a Data Analytics role:
Data Management & Cleaning
- Removing Duplicates: Eliminate repeated entries to ensure data accuracy.
- Text to Columns: Split text into multiple columns for better organization.
- Data Validation: Set rules to maintain data integrity.
- Flash Fill: Automatically fill data based on patterns.
Formula Mastery
- SUMIFS, COUNTIFS, AVERAGEIFS: Aggregate data with multiple criteria.
- VLOOKUP, HLOOKUP: Search for data vertically or horizontally.
- INDEX, MATCH, INDEX & MATCH: Combine functions for powerful lookups.
- IF, AND, OR, NOT: Perform logical operations.
- Nested Functions: Use multiple functions within one another.
- Array Formulas: Handle multiple values at once.
- XLOOKUP, LET: Modern functions for efficient lookups and variable definitions.
- SUMPRODUCT, INDIRECT: Advanced functions for complex calculations.
- CHOOSE, OFFSET: Select data and reference ranges dynamically.
- LEFT, RIGHT: Extract specific characters from a string.
Data Analysis & Reporting
- Pivot Tables & Pivot Charts: Summarize and visualize large datasets.
- Data Sorting and Filtering: Organize and find data efficiently.
- Subtotals: Calculate subtotals within your data sets.
- Data Tables, Scenarios (What-If Analysis): Explore different data scenarios.
- Goal Seek and Solver: Find optimal solutions for your data problems.
Visualization Expertise
- Conditional Formatting: Highlight data based on conditions.
- Basic to Advanced Charting: Create various types of charts.
- Creating Dynamic Dashboards: Build interactive and real-time dashboards.
- Sparklines: Embed mini-charts within cells for quick insights.
Efficiency Enhancers
- Keyboard Shortcuts: Speed up your workflow.
- Basic Macros and VBA (Optional): Automate repetitive tasks.
- Data Consolidation Techniques: Combine data from different sources.
- Error Checking and Auditing Tools: Ensure data accuracy and troubleshoot issues.
Advanced Excel Capabilities
Power Query for Data Transformation: Clean and transform data efficiently.
Data Model & Power Pivot: Handle complex data relationships.
Advanced Filter: Perform advanced data filtering.
Slicers and Timelines in Pivot Tables: Enhance pivot table interactivity.
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