Python Review Module 15 - Plotting

Which function takes an optional format string argument to specify the color and style of the plotted line?

• plt.show()

• plt.imshow()

• plt.legend()

• plt.plot()

Which property is required for plt.legend()?

• alpha

• data

• visible

• label

Which package is used for plotting in Python?

• matlab

• ggplot

• matplotlib

• matlablib

Which function plots data onto the graph?

• plt.show()

• plt.imshow()

• plt.legend()

• plt.plot()

Which function is used to add text labels to a plot?

• plt.title()

• plt.xlabel()

• plt.legend()

• plt.text()

Identify the correct syntax for text() function to display 'X Y Plot' at the coordinates (x,y) in grey color and font size 12.

• plt.text('X Y Plot', [x,y], color='grey', fontsize=12)

• plt.text((x,y), 'X Y Plot',color='grey', fontsize=12)

• plt.text(x,y, 'X Y Plot', color='grey', fontsize=12)

• plt.text([x,y], 'X Y Plot', color='grey', fontsize=12)

Identify the correct syntax to annotate the data point at (5,2) placing the text 'Peak' at (5,3).

• plt.annotate('Peak', xy=(5, 2), xytext=(5, 3))

• plt.annotate('Peak', xy=(5, 3), xytext=(5, 2))

• plt.annotate(xy=(5, 2), xytext=(5, 3))

• plt.annotate(xy=(5, 3), xytext=(5, 2))

Which package provides tools for scientific and mathematical computations in Python?

• pandas

• numpy

• sklearn

• matplotlib

The _____ function is used to create a second axis on a plot.

• xaxis()

• axisr()

• twinx()

• axhline()