Horizontal bar chart with plt.barh in Matplotlib - Cheat Sheet & Quick Revision

Recall & Review

beginner

What function in matplotlib is used to create a horizontal bar chart?

The function plt.barh() is used to create horizontal bar charts in matplotlib.

beginner

In a horizontal bar chart, which axis represents the categories and which axis represents the values?

In a horizontal bar chart, the y-axis represents the categories, and the x-axis represents the values.

beginner

How do you add labels to the bars in a horizontal bar chart using matplotlib?

You can add labels by using plt.xlabel() for the x-axis, plt.ylabel() for the y-axis, and plt.title() for the chart title.

intermediate

What parameter in plt.barh() controls the height of the bars?

The height parameter controls the thickness (height) of the horizontal bars in plt.barh().

beginner

How can you change the color of the bars in a horizontal bar chart?

You can change the bar colors by passing the color parameter to plt.barh(), for example, color='skyblue'.

Which matplotlib function creates a horizontal bar chart?

A plt.barh()

B plt.bar()

C plt.plot()

D plt.scatter()

plt.barh() creates horizontal bar charts, while plt.bar() creates vertical bar charts.

In a horizontal bar chart, what does the y-axis represent?

A Values

B Categories

C Time

D Frequency

The y-axis shows the categories in a horizontal bar chart.

How do you set the thickness of bars in plt.barh()?

A length

B width

C size

D height

The height parameter controls the thickness of horizontal bars.

Which parameter changes the color of bars in plt.barh()?

A fill

B style

C color

D shade

Use the color parameter to set bar colors.

What does plt.xlabel() do in a horizontal bar chart?

A Sets the label for the x-axis

B Sets the chart title

C Sets the label for the y-axis

D Sets the legend text

plt.xlabel() sets the label for the x-axis, which shows values in a horizontal bar chart.

Explain how to create a simple horizontal bar chart using matplotlib's plt.barh function.

Think about what data goes on each axis and how to label the chart.

Describe how to customize the appearance of a horizontal bar chart, including bar thickness and color.

Focus on parameters inside plt.barh and labeling functions.