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Plotting Data using Matplotlib

CBSE · Class 12 · Informatics Practices

Complete topic list for Plotting Data using Matplotlib in CBSE Class 12 Informatics Practices. Key concepts, sub-topics, and what to focus on for board exams.

63 questions78 flashcards5 concepts

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4 Topics · CBSE Class 12 Informatics Practices

Topics in Plotting Data using Matplotlib

1

1. Matplotlib Basics and Figure Components

  • Matplotlib can be installed using pip install matplotlib from the command prompt.
  • matplotlib.pyplot is imported using import matplotlib.pyplot as plt.
  • pyplot contains functions used to work on a plot.
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2. Plot Customisation and Line Plots

  • plt.xlabel() sets the x-axis label.
  • plt.ylabel() sets the y-axis label.
  • plt.title() sets the chart title.
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3. Pandas Plot Function

  • Pandas Series and DataFrame objects have their own .plot() methods starting from Pandas version 0.17.0.
  • The Pandas plot() method is a simple wrapper around the plot() function of pyplot.
  • The general syntax for kind-based plotting is df.plot(kind = ' ').
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4. Histogram and Frequency Polygon

  • Histograms are column-charts, where each column represents a range of values, and the height of a column corresponds to how many values are in that range.
  • Bins are the number of intervals into which data is divided for a histogram.
  • df.plot(kind='hist') automatically chooses bin size unless bins are set manually.

Key Concepts

Central concept: Data visualisation with Matplotlib and Pandas plotting for line, bar, histogram, scatter, box, and pie charts

Data visualisationMatplotlibpyplot moduleFigureLine plotBar chartHistogramScatter chart

Frequently Asked Questions

What are the important topics in Plotting Data using Matplotlib for CBSE Class 12 Informatics Practices?
Plotting Data using Matplotlib covers several key topics that are frequently asked in CBSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Plotting Data using Matplotlib — CBSE Class 12 Informatics Practices?
Understand the core concepts first, then work through the 63 practice questions available for this chapter. Revise formulas and 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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