5.1 Bar charts (side-by-side; stacked)

For this section, the data introduced in Sect. 3.1 are used.

Use the jamvoi menu: select Analyses: Frequencies: Independent samples (\(\chi^2\) test of association).
Add the variables. Add the variables to the rows and columns (in this case, the Rows is Diet and the Columns is B12).
Click on the right-pointing arrow next to the Plots option from the bottom of the left-side screen.
Select Plots and Bar Plot; then select Bar Type. You can select either a Side by side bar chart, or a Stacked bar chart.

FIGURE 5.1: Adding the variables to create a side-by-side bar chart in jamovi

You can change the vertical (or Y) axis to represent either counts or percentages by your selection under Y-Axis.
You can change which variables is on the horizontal (or X) axis by your selection under X-Axis. There are plenty of options, so feel free to experiment. A useful one is to select Percentages within rows.

FIGURE 5.2: Adding the variables to create a side-by-side bar chart in jamovi