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Three checks I use before calling a CSV “clean”:
input rows = cleaned + quarantined + removed duplicates
every transformation has an explicit rule
the original file is never overwritten
I’ve packaged this into a fixed-scope cleanup sprint: one file, up to 1,000 rows and 20 columns, cleaned CSV + quarantine + QA report + reconciliation, starting at $25.
If a spreadsheet is slowing down your workflow, message me with the row/column count and the issue—no sensitive data needed for a scope check.
Direct service details: https://contra.com/s/POXMeogU-clean-and-validate-your-csv-or-spreadsheet-data
For real-estate lead lists or CRM exports: https://contra.com/s/LlBFYBNL-clean-and-de-duplicate-your-real-estate-lead-list
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Clean & validate your CSV or spreadsheet data by brandon guzman
Read more about Clean & validate your CSV or spreadsheet data by brandon guzman on Contra.
The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started
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:This is a self created portfolio demonstrating my Excel data management and analysis skills. I can work with various Excel features including data entry, data formatting, data validation,formulas, sum if/sum ifs conditional formatting, consolidation and reporting. This samples demonstrates my ability to turn raw data into clean, organised, and useful information.
I help individuals and businesses with accurate data entry, typing, document formatting, copy-and-paste tasks, online research, and basic virtual assistant work. I follow instructions carefully, pay attention to details, and aim to deliver organized and reliable work on time.