CBSE 12 AI (Artificial Intelligence) | 9. Data Analysis using Python by Abraham | Learn Smarter
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9. Data Analysis using Python

9. Data Analysis using Python

Data analysis is fundamental to extracting meaningful insights from raw data, and this chapter introduces techniques using Python libraries such as Pandas, NumPy, and Matplotlib. Key skills include data loading, cleaning, manipulation, and visualization, all of which form the basis for more advanced applications in Machine Learning and Artificial Intelligence. The chapter also covers hands-on project work to reinforce the concepts learned.

28 sections

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Sections

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  1. 9
    Data Analysis Using Python

    This section covers the importance of data analysis in AI, highlighting key...

  2. 9.1
    Introduction To Data Analysis

    This section introduces data analysis as a process of managing and...

  3. 9.1.1
    Types Of Data Analysis

    This section introduces the four main types of data analysis: descriptive,...

  4. 9.2
    Python Libraries For Data Analysis

    This section introduces key Python libraries—NumPy, Pandas, and...

  5. 9.2.1
    Numpy (Numerical Python)

    NumPy is a core library in Python for scientific computing, offering...

  6. 9.2.2
    Pandas (Panel Data)

    Pandas is a powerful Python library used for data manipulation and analysis,...

  7. 9.2.3

    Matplotlib is a widely used library in Python for creating static, animated,...

  8. 9.3
    Loading And Exploring Datasets

    This section covers how to load datasets into Python using Pandas and...

  9. 9.3.1
    Reading Data From Csv

    This section covers how to read data from CSV files using the Pandas library...

  10. 9.3.2
    Understanding Dataset Properties

    This section highlights the essential properties of datasets, outlining key...

  11. 9.4
    Data Cleaning

    Data cleaning is essential for ensuring accurate analysis by addressing...

  12. 9.4.1
    Handling Missing Values

    This section discusses strategies for managing missing values in datasets,...

  13. 9.4.2
    Removing Duplicates

    This section discusses the process of removing duplicate entries from...

  14. 9.4.3
    Changing Data Types

    This section explains the importance of changing data types in data analysis...

  15. 9.5
    Data Manipulation

    Data manipulation involves selecting, filtering, and sorting data using...

  16. 9.5.1
    Selecting Columns And Rows

    This section describes how to select specific columns and rows in a Pandas...

  17. 9.5.2
    Filtering Data

    This section focuses on how to filter data in a DataFrame using specific conditions.

  18. 9.5.3
    Sorting Data

    This section discusses how to sort data using Python's Pandas library,...

  19. 9.6
    Data Aggregation

    Data aggregation is a vital process in data analysis that involves...

  20. 9.6.1
    Grouping Data

    This section covers the concept of grouping data using Pandas, explaining...

  21. 9.6.2
    Pivot Tables

    Pivot tables are powerful tools that allow users to summarize and analyze...

  22. 9.7
    Data Visualization With Matplotlib

    This section covers key data visualization techniques using the Matplotlib...

  23. 9.7.1

    This section explains how to create and interpret line charts using...

  24. 9.7.2

    This section covers how to create bar charts using Matplotlib in Python to...

  25. 9.7.3

    This section explains histograms, a vital tool in data visualization that...

  26. 9.7.4

    This section covers how to create a pie chart using the gender distribution data.

  27. 9.8
    Mini Project: Analyzing Student Data

    This section guides students through a mini project to analyze student data...

  28. 9.9

    This section provides a concise overview of the key concepts and tools...

What we have learnt

  • Python libraries like Pandas, NumPy, and Matplotlib are essential tools for data analysis.
  • You learned how to load, clean, manipulate, and visualize data.
  • Practical knowledge of data analysis builds the foundation for Machine Learning and Artificial Intelligence.
  • This chapter sets the stage for using real-world datasets in AI systems and preparing them for intelligent analysis and predictions.

Key Concepts

-- Descriptive Analysis
Summarizes past data to provide insights into historical trends.
-- Predictive Analysis
Uses existing data to predict future outcomes.
-- Pandas
A Python library built on NumPy, used for data manipulation and analysis, providing Series and DataFrame data structures.
-- NumPy
Core library for scientific computing in Python, offering high-performance multidimensional array objects.
-- Matplotlib
A library used for data visualization in Python, enabling various types of plots and charts.

Additional Learning Materials

Supplementary resources to enhance your learning experience.