This article describes some of the ways to modify how Displayr conducts significance tests.
The default significance testing approach in Displayr uses font color and arrows to highlight cells that stand out. You can change this to column comparisons by modifying the Show significance drop-down (top-middle of the screen) to Compare columns. You can also modify this for an entire project in Statistical Assumptions, and for future documents: see How to Create a Template Document
Many aspects of how tests are conducted can be modified in Statistical Assumptions, for a specific table, for the entire project, or for all future projects using Project Templates.
Changing the data
Displayr automatically determines how to conduct tests based on the properties of the data (see How to Apply Significance Testing in Displayr). Consequently, you can modify how Displayr performs tests by modifying the data. For example, consider the table below on the left.
By default, Displayr performs a somewhat exotic test on this table (see Variable Sets). However, the tests that Displayr performs for such a table assume that the data is repeated measures (i.e., that the same people were providing data for all the cells in the table), whereas in this example people that have data in one column have no data in the other and vice versa. The most straightforward solution in this instance is to combine the two questions into one, and create the table using a crosstab, which is shown on the right. This right-most table is simply comparing the results within each row, which makes more sense for this data.
It is also possible to use Rules, either by writing them yourself or using pre-built Rules.