Data Cleaning, Transformation, and Analysis Services
I offer expert services in Data Cleaning, Data Transformation, and Data Analysis using Excel, Google Sheets, and Power BI to help you get accurate, actionable insights from your data.
Data Cleaning
I ensure your data is error-free and consistent by:
- Handling Missing Data: Filling or removing missing values.
- Removing Duplicates: Ensuring no repeated records.
- Standardizing Formats: Making all data uniform, including dates and currencies.
- Correcting Errors: Fixing typos and inconsistent labels.
- Outlier Detection: Identifying and managing outliers that could skew analysis.
Data Transformation
I transform raw data into structured, ready-to-analyze formats:
- Aggregation: Summarizing data (e.g., daily to monthly sales).
- Normalization: Standardizing data scales for consistency.
- Pivoting/Unpivoting: Reshaping data for better analysis.
- Data Structuring: Organizing data into categories and relationships.
Data Analysis
Once cleaned and transformed, I provide deep insights through:
- Trend Analysis: Identifying patterns and trends.
- Data Visualization: Creating compelling visuals in Power BI for easy understanding.
- Descriptive and Advanced Analytics: Summarizing key data points and creating complex models using DAX in Power BI.
Tools I Use
- Excel: For powerful functions and basic data analysis.
- Google Sheets: For cloud-based data manipulation.
- Power BI: For advanced cleaning, transformation, and visual analysis.
Why Choose My Services?
- Tailored Solutions: Customized to meet your data needs.
- Efficiency: Fast and accurate data cleaning and transformation.
- Expertise: Proven experience with Excel, Google Sheets, and Power BI.
Let me help you clean, transform, and analyze your data, ensuring it’s ready for informed decision-making and actionable insights.