Exercise

Facets 3

In this exercise, you will create a grid with six bar plots for the six age groups in the tb data. You will follow the method used in the previous exercise.

Note that:

rbokeh is pre-loaded.
tb_split_age is a list variable containing six data frames corresponding to the six age groups in the tb data and year is a factor variable. Both are available in this session.

Instructions

100 XP

Define a function plot_bar() to create a bar plot with the number of tb cases versus time, colored by gender. Use position dodge and make the hover info available.
Apply the plot_bar() to the six age groups using lapply().
Create a grid plot with the six figure with a width of 600 and height of 900.
Distribute the figures in 3 rows and use the same axes range.