
Clean, prepare, and fix your messy data for analysis
Delivery in
2 days
- Views 27
Amount of days required to complete work for this Offer as set by the freelancer.
Rating of the Offer as calculated from other buyers' reviews.
Average time for the freelancer to first reply on the workstream after purchase or contact on this Offer.
What you get with this Offer
This service focuses entirely on data cleaning and preparation fixing common issues such as missing values, duplicates, inconsistent formats, incorrect data types, and poorly structured files. Whether your data comes from Excel, CSV exports, databases, or multiple sources, I'll make it reliable and easy to work with.
I work with business, research, and operational datasets and apply logical validation checks to ensure the cleaned data actually makes sense, not just looks tidy.
Packages:
BASIC: Simple Data Cleaning Includes
1 dataset
Remove duplicates & obvious errors
Fix data types (dates, numbers, text)
Handle basic missing values
Clean, ready-to-use Excel or CSV output
STANDARD: Full Data Preparation Includes
Up to 2 datasets
Advanced cleaning & validation
Missing value handling (logic-based)
Data restructuring & standardisation
Merge/join files (if needed)
Clean dataset + summary of changes
PREMIUM: Complex/Large Data Cleanup Includes
Multiple datasets
Complex joins & transformation rules
Validation & consistency checks
Outlier detection & correction
Documentation of cleaning steps
Fully analysis-ready dataset
Please message me before ordering for large or complex data.
I work with business, research, and operational datasets and apply logical validation checks to ensure the cleaned data actually makes sense, not just looks tidy.
Packages:
BASIC: Simple Data Cleaning Includes
1 dataset
Remove duplicates & obvious errors
Fix data types (dates, numbers, text)
Handle basic missing values
Clean, ready-to-use Excel or CSV output
STANDARD: Full Data Preparation Includes
Up to 2 datasets
Advanced cleaning & validation
Missing value handling (logic-based)
Data restructuring & standardisation
Merge/join files (if needed)
Clean dataset + summary of changes
PREMIUM: Complex/Large Data Cleanup Includes
Multiple datasets
Complex joins & transformation rules
Validation & consistency checks
Outlier detection & correction
Documentation of cleaning steps
Fully analysis-ready dataset
Please message me before ordering for large or complex data.
Get more with Offer Add-ons
-
I can standard Package as described above
Additional 2 working days
+$47 -
I can premium Package as described above
Additional 3 working days
+$134
What the Freelancer needs to start the work
Buyers are requested to:
1. Please upload dataset(s) in Excel, CSV, or provide a Google Sheets link. If there are multiple files, upload all of them together.
2. Briefly explain what problems you’re facing with the data.
Examples: missing values, duplicates, inconsistent formatting, incorrect dates or numbers, merging multiple files, or messy structure.
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