I will clean, fix, and standardize your excel or csv data in python

Milica C.

Serbia

I speak Serbian, English

Junior Data Scientist, ML and Predictive Modeling, Python, SQL, CPP

As a Data Science student, I apply analytical methods to solve real problems. I focus on technical accuracy and making sure your data is easy to understand through clear charts.
About this Gig

Are you struggling with messy, inconsistent data? I will professionally clean, transform, and prepare your dataset using Python and Pandas.

What is Included:

  • 1 tabular file / 1 sheet (CSV or Excel)
  • Up to 20 columns by default or more with Extra Columns

Core Services:

  • Remove duplicates: Delete exact duplicate rows.
  • Trim whitespace: Remove extra spaces from text.
  • Handle missing values: Imputation, safe removal, or interpolation.
  • Standardize basic data types: Convert text to correct numbers/types.
  • Fuzzy matching: Fix typos and unify variations (e.g., "NY" to "New York").
  • Standardize date formats: Ensure consistent dates (e.g., YYYY-MM-DD).
  • Fix Excel errors: Repair broken formulas (#REF!, #N/A, #VALUE!, #DIV/0!).
  • Outlier & anomaly detection: Detect and clip/remove invalid values.
  • Distribution normalization: Scale ranges for ML and stats readiness.
  • Custom business logic: Calculate rule-based columns.

Requirements & Notes:

  • Provide clear instructions for your columns alongside your file.
  • Processing is done via Python and Pandas (no VBA macros).
  • Keep a backup of your raw dataset.
  • All data remains 100% confidential.

Contact me for custom needs!

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