I will python data cleaning for excel, CSV, json and text

Spain

I speak English, Spanish, Russian
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About this Gig

Stop struggling with messy, broken, or unorganized data!

Are your Excel files crashing? Do you have thousands of rows with typos, missing values, or inconsistent formats? I am a Data Specialist using the power of Python (Pandas & NumPy) to transform your "dirty" data into a professional, structured, and ready-to-use dataset.

Unlike manual editing, my code-based approach ensures 100% accuracy and handles massive datasets (100k+ rows) that would normally freeze Excel.

️ What I offer:

  • Deep Cleaning: Removal of duplicates, fixing typos, and smart handling of missing values (NaNs).
  • Text Normalization: Standardizing strings (addresses, names, categories) using Regex for perfect consistency.
  • Data Formatting: Unifying dates, phone numbers, and currencies into your preferred format.
  • Merging & Joining: Combining multiple CSV/Excel/JSON files into one master dataset.
  • File Conversion: Seamlessly moving data between JSON, SQL, TXT, and Excel/CSV.
  • Anomaly Detection: I identify logical errors (e.g., negative prices or impossible dates) before they ruin your analysis.

Why choose my service?

  • Scalability: Python doesn't care if you have 100 or 1,000,000 rows. I handle it all.
  • Complex Logic: I can ap