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Data Preprocessing Web App

A simple and interactive Streamlit-based web app to preview, clean, visualize, and transform your datasets — no coding required!

🔧 Features

  • Upload datasets in CSV, Excel, JSON, SQL, or Parquet format -Preview dataset (head & tail)
  • Clean data:
    • Drop columns
    • Handle missing values
    • Remove non-alphanumeric characters
    • Replace substrings in address-like fields
  • Visualize numeric data:
    • Boxplots
    • Histograms -Transform data:
    • Label Encoding
    • One-Hot Encoding (Pandas and Scikit-learn)
    • Standard Scaling
    • Anomaly removal using Z-score

How to Run

1. Clone the repository

bash

git clone https://github.com/agentksimha/data-preprocessing-app.git

cd data-preprocessing-app