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English
$
USD
I will clean, format, and prepare your excel, CSV, or business data
Data Analyst
Hi! I'm Dihan, a CSE student and data analyst focused on turning messy data into clear, useful insights.
I help clients clean, organize, and analyze their data using Excel and Python, then transform ...
About this Gig
Do you have messy, inconsistent, or difficult-to-use Excel or CSV data?
I will clean, organize, and prepare your dataset so it is accurate, structured, and ready for analysis, reporting, or dashboards.
Remove duplicate records
Handle missing and inconsistent values
Fix formatting and data-type issues
Standardize dates, numbers, text & categories
Identify errors and unusual records
Organize and structure your dataset
Perform data quality checks
Deliver clean, analysis-ready data
I can work with Excel, CSV, and other common tabular datasets.
I don't just make your spreadsheet look cleaner. I focus on creating reliable, usable data while considering the purpose and structure of your dataset.
What you receive:
Clean & organized dataset
Consistent formatting and structure
Data quality checks
Cleaning summary
Analysis-ready data
Have messy data? Send it my way, and let's turn it into reliable, usable data.
---- Excel data cleaning and formatting ----
Technology:
Excel
•
Google Sheets
•
Power BI
•
SQL
•
Jupyter Notebook
Data type:
Numeric
•
String
•
Date
•
Phone
•
Free text
My Portfolio
FAQ
What types of data can you clean?
I can work with Excel, CSV, and other common datasets. If you're unsure whether your file is suitable, message me before ordering.
Can you handle large datasets?
Yes. The package limits define the standard dataset size I can handle. For larger or more complex datasets, please contact me for a custom offer.
Will you delete missing values?
Not necessarily. Missing data should be handled based on the dataset and its purpose. I will use an appropriate cleaning approach rather than automatically deleting records.
Can you clean messy business or sales data?
Yes. I can clean datasets such as sales, customer, marketing, product, inventory, financial, and other business data.
Can you prepare my data for Power BI?
Yes. I can structure and clean your dataset with Excel and Python, so it is suitable for further analysis or dashboard development. If you also need an interactive Power BI dashboard, you can check my Power BI service.
Can you clean data using Python?
Yes. Depending on the dataset and requirements, I can use Python-based tools and other appropriate methods to clean and validate the data.
Can you work with confidential data?
Yes. However, please remove passwords, unnecessary personal information, or other sensitive information that is not required for the project.
