🔍 What is Data Science?

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🔍 What is Data Science?

Data Science is the field of extracting insights and knowledge from structured and unstructured data using methods from statistics, machine learning, data mining, and visualization.

  • Netflix uses data science for personalized recommendations.
  • Google Maps uses it to suggest optimal routes and traffic forecasting.
  • Hospitals use it for patient diagnostics and treatment suggestions.

🧰 Tools and Technologies in Data Science

  • Programming: Python, R
  • Libraries: NumPy, pandas, matplotlib, scikit-learn
  • Tools: Jupyter Notebook, Tableau, Power BI

📊 Key Steps in a Data Science Project

  1. Define the problem
  2. Collect and clean data
  3. Explore and visualize
  4. Model building
  5. Evaluate and deploy

✅ Beginner Checklist

  • ☑ Learn Python basics
  • ☑ Understand statistics (mean, median, standard deviation)
  • ☑ Explore pandas and NumPy
  • ☑ Build your first data visualization

📎 Coming Up Next:

  • Part 2: Data Wrangling with pandas
  • Part 3: Exploratory Data Analysis

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