Exercise

Contrasts matrix for 3 groups

To identify the differentially expressed genes between each of the 3 levels of oxygen, you need to define 3 pairwise contrasts.

Instructions

100 XP

The ExpressionSet object eset with the hypoxia data and the design matrix you just created (design) have been loaded in your workspace.

Use makeContrasts to define the 3 pairwise contrasts. Remember to use the column names from the design matrix without using quotation marks.

Take Hint (-30 XP)