I will clean CSV or excel data with python

South Korea

I speak Korean, English

Web and Automation Developer

With 3+ years of professional experience in systems integration (SI), backend development, and business automation, I build responsive websites, workflow automations, Python data-cleaning tools, and S...
About this Gig

Need a clean file you can actually use? I will apply your agreed rules with Python and return cleaned data, separated issue and duplicate rows, and reconciliation counts.


Basic gives one complete cleaned output and issue report. Standard adds a

reusable Python cleaning script and reconciliation across same-schema files.

Premium gives either reusable multi-file automation or one agreed report or

dashboard.


PF03 is an original self-initiated demonstration. Its 21 synthetic rows produce

8 valid, 11 issue, and 2 duplicate rows with seven tests; those counts are not

client results or a promise about your file.


I review the sample, lock the schema and rules, process the data, reconcile every

input row, and deliver the agreed files. Message me with a sanitized sample and

the rules that define a valid row so I can confirm package fit.


Includes 14-day correction of reproducible processing defects. API, database,

crawling, authentication, server deployment, OCR, manual research, statistical

analysis, and formula or macro preservation are not included unless separately

quoted after sample review.

Technology:

Excel

Python

Expertise:

Data manipulation

Data validation

Normalization

My Portfolio