Data Preprocessing Web App

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

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🔧 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

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How to Run

1. Clone the repository

bash

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

cd data-preprocessing-app