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$
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I will check and fix the formulas, sql and reports your ai tools created
Data Analytics and Data Visualization
My name is Rodrigo and I am a Data Analyst. I have a B.Sc. in Business Administration and M.Sc. in Quality Management. I have experience in Administrative roles and HR.
My services include:
• De...
Vetted by Fiverr Pro
Rodrigo Chin was selected by the Fiverr Pro team for their expertise.
Vetted for
Data Analytics
Data Visualization
About this Gig
Vetted Pro
Top Rated, Vetted Pro. 61 five-star reviews. 160+ data projects. M.Sc. in Quality Management.
ChatGPT, Claude and Copilot can build a report in minutes. But a formula that looks right can still double-count, drop rows or join the wrong tables, and nobody notices until a decision is made on a wrong number.
I check the reports, spreadsheet formulas and SQL queries your AI tools created, fix what is wrong, and show you how to catch it next time.
What you get:
- Every formula, query and total traced back to your source data
- Errors listed with a plain-language explanation and the fix
- Corrected files, tested against your real numbers
- A validation checklist your team can reuse (Premium)
- Guidelines for using AI safely on business data (Premium)
Keep the speed of AI without betting the business on unchecked numbers.
Review the FAQs below and click 'Request to Order'.
Technology:
Excel
•
Google Sheets
•
Power BI
•
MySQL
•
BigQuery
Expertise:
Business Insights
•
Anomaly detection
•
Statistics
Programming language:
Python
•
SQL
•
DAX
My Portfolio
Other Data Analytics Services I Offer
FAQ
Which AI tools' work can you check?
Anything built with ChatGPT, Claude, Gemini or Copilot: Excel and Google Sheets formulas, SQL queries, Python scripts, Power BI DAX and the reports built on them.
What kinds of errors do you usually find?
Double-counted rows from bad joins, filters that silently drop data, wrong date logic, hard-coded numbers and totals that don't match the source system.
Do you just point out problems or also fix them?
Both. Basic lists every issue with the fix to apply; Standard and Premium deliver corrected, tested files.
Can you teach my team to check AI output themselves?
Yes. Premium includes a validation checklist and short guidelines so your team can keep using AI on business data safely.
What happens after the check?
Many clients turn the fixed reports into an automated dashboard, or keep me on a monthly plan to review new AI-built work.
Why Request to Order instead of instant checkout?
Every business's data is different. Request to Order lets me confirm your sources, scope and timeline first, then send a custom offer that fits. You pay nothing until you accept it, so there are no surprises.
Which package should I choose?
Start with Basic for a quick, low-risk first step. Choose Standard for a working Version 1 and Premium for a connected, automated system. Not sure? Click Request to Order and I will recommend the right one.
Is my data safe? Do you sign an NDA?
Yes. I sign an NDA on request, work inside your own accounts with only the access needed, and do not keep copies of your data after delivery.
Who owns the work when we're done?
You do. Everything is built in your own accounts and handed over with documentation and admin access, so you are never locked in to me.
Can I start small and grow later?
Yes. Most clients start with one small step, see results, then add the next piece. Nothing is wasted because each step builds on the last.
