Numerical Data Verification and Cleaning

I’m looking for a sharp-eyed partner to give my raw numerical records a full verification and cleaning pass. The dataset is sizable and must be delivered back error-free, consistently formatted, and ready for immediate analysis.

Here’s what I need from you:
• A cleaned version of the file, preserving its original structure
• A brief changelog or validation report that highlights duplicates removed, out-of-range values corrected, and any other fixes applied

Accuracy, speed, and confidentiality are non-negotiable. You can work in Excel, Google Sheets, Python (pandas), Power Query—whatever helps you deliver a spotless result within the agreed deadline.

I’ll provide the source file as soon as we confirm scope and timeline. Tell me which tools you prefer, how quickly you can turn this around, and any questions you have before we start.