Shivam Singh

@shivamsinghai

Python Data Cleaning and Preprocessing Specialist Pandas ML Ready Datasets

India
Inglese, Hindi
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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... Continua a leggere

Competenze

s
shivamsinghai
Shivam Singh
offline • 
Tempo di risposta medio: 1 ora

Consulta i miei servizi

Pulizia dei dati
I will do professional data cleaning and preprocessing using python and pandas
A partire da15 USD / progettoMaggiori dettagli
Strategia IA
I will create a professional ai solution design and business analysis report
A partire da30 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

Self_Employed

Freelance Data Analyst

Self Employed • Full time

Jul 2025 - Present • 1 yr

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