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Plotting Data using Matplotlib — Chapter Summary

CBSE · Class 12 · Informatics Practices

Summary of Plotting Data using Matplotlib for CBSE Class 12 Informatics Practices. Part of the CBSE Class 12 Informatics Practices syllabus.

63 questions78 flashcards5 concepts

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Overview

Data visualisation means graphical or pictorial representation of data using graphs and charts. It helps in understanding variation, comparing values, and showing relationships between variables. Matplotlib is a Python library used for creating static, animated, and interactive 2D plots or figures.

Key Concepts

Matplotlib is a Python library used

Matplotlib is a Python library used to create static, animated, and interactive 2D plots or figures. It is installed using pip install matplotlib.

pyplot is the module of Matplotlib

pyplot is the module of Matplotlib that contains plotting functions. It is imported as import matplotlib.pyplot as plt, and plt is the alias used in p

A figure is the overall window

A figure is the overall window where the outputs of pyplot functions are plotted. It contains the plotting area, legend, axis labels, ticks, and title

The plot() function creates the plot

The plot() function creates the plot, and show() displays the figure created using plot().

A figure can be saved using

A figure can be saved using savefig(), with the file name passed as parameter.

Learning Objectives

  • Understand the meaning and purpose of data visualisation
  • Learn how to install Matplotlib and import pyplot as plt
  • Create and display figures using plot() and show()
  • Save plots using savefig()
  • Use basic plot customisation such as title, labels, legend, grid, ticks, colour, marker, linewidth, and linestyle

Frequently Asked Questions

What are the important topics in Plotting Data using Matplotlib for CBSE Class 12 Informatics Practices?
Key topics in Plotting Data using Matplotlib include Matplotlib Basics and Figure Components, Plot Customisation and Line Plots, Pandas Plot Function, Histogram and Frequency Polygon. Study these first, then practise questions on each for the CBSE Class 12 board exam.
How should I revise Plotting Data using Matplotlib for the CBSE Class 12 board exam?
Learn the core ideas first, then work through the 63 practice questions on Plotting Data using Matplotlib. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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