What are Python libraries used in Data Science?

Best Data Science Training Institute in Hyderabad with Live Internship Program

If you're aspiring to become a skilled Data Scientist and build a successful career in the field of analytics and AI, look no further than Quality Thought – the best Data Science training institute in Hyderabad offering a career-focused curriculum along with a live internship program.

At Quality Thought, our Data Science course is designed by industry experts and covers the entire data lifecycle. The training includes:

Python Programming for Data Science

Statistics & Probability

Data Wrangling & Data Visualization

Machine Learning Algorithms

Deep Learning with TensorFlow and Keras

NLP, AI, and Big Data Tools

SQL, Excel, Power BI & Tableau

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🔑 1. Data Manipulation & Analysis

  • NumPy → Core library for numerical computing, arrays, matrices, linear algebra.

  • Pandas → DataFrames for structured data, cleaning, filtering, joining, aggregation.

🔑 2. Data Visualization

  • Matplotlib → Foundation plotting library, customizable graphs.

  • Seaborn → Statistical data visualization (built on Matplotlib, easier styling).

  • Plotly → Interactive, web-based visualizations.

  • Bokeh → Interactive dashboards and visualizations.

🔑 3. Machine Learning

  • Scikit-learn → Classic ML (classification, regression, clustering, preprocessing).

  • XGBoost / LightGBM / CatBoost → High-performance gradient boosting libraries.

  • TensorFlow → Deep learning framework from Google.

  • PyTorch → Deep learning framework from Meta, more Pythonic & flexible.

  • Keras → High-level neural network API (runs on TensorFlow).

🔑 4. Data Collection & Preprocessing

  • BeautifulSoup → Web scraping (HTML parsing).

  • Scrapy → Advanced web crawling framework.

  • Requests → Simple HTTP requests for APIs.

  • OpenCV → Image processing and computer vision.

  • NLTK / SpaCy → Natural Language Processing (text tokenization, parsing).

🔑 5. Big Data & Distributed Computing

  • Dask → Parallel computing on large datasets (extends NumPy & Pandas).

  • PySpark → Python API for Apache Spark (big data processing).

  • Vaex → Handles very large datasets (out-of-core DataFrames).

🔑 6. Data Storage & I/O

  • SQLAlchemy → Database ORM for connecting to SQL databases.

  • PyODBC / psycopg2 → Database drivers for SQL Server, PostgreSQL, etc.

  • h5py → For working with HDF5 binary data format.

🔑 7. Statistics & Mathematics

  • SciPy → Scientific computing (optimization, integration, stats).

  • Statsmodels → Advanced statistical models (regression, time series, hypothesis testing).

🔑 8. Specialized Areas

  • NetworkX → Graphs and network analysis.

  • Gensim → Topic modeling & word embeddings (NLP).

  • Transformers (Hugging Face) → Pretrained models for NLP, vision, etc.

  • TPOT / Auto-Sklearn → Automated machine learning (AutoML).

In Short

  • Core → NumPy, Pandas

  • Viz → Matplotlib, Seaborn, Plotly

  • ML/DL → Scikit-learn, TensorFlow, PyTorch, XGBoost

  • NLP/CV → NLTK, SpaCy, OpenCV

  • Big Data → Dask, PySpark

  • Stats → SciPy, Statsmodels

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