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shivamsinghai

Shivam Singh

@shivamsinghai

Python Data Cleaning and Preprocessing Specialist Pandas ML Ready Datasets

India
English, Hindi
About me
I help businesses and data scientists turn messy, unusable datasets into clean, ML-ready data — fast and professionally. What I handle: ✅ Missing values (smart imputation — not just mean/median) ✅ Dirty placeholders: UNKNOWN, ERROR, N/A strings ✅ Wrong data types — numeric, datetime, categorical conversion ✅ Outlier detection and treatment ✅ Feature Engineering ✅ Scaling & Normalization My approach: I analyse WHY data is missing and choose the correct strategy — probabilistic sampling, business logic or feature engineering. Tools: Python · Pandas · NumPy · Sklearn · Matplotlib · Seaborn... Read more

Skills

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shivamsinghai
Shivam Singh
Offline • 

See my services

Data Cleaning
I will do professional data cleaning and preprocessing using python and pandas
From$15 / projectMore details

Portfolio

Work experience

Self_Employed

Freelance Data Analyst

Self Employed • Full-time

Jul 2025 - Present • 10 mos

Data cleaning, preprocessing, missing value handling and feature engineering on real-world datasets using Python, Pandas and Scikit-learn.