Volcano plot
Next, you will create a volcano plot to visualize the extent of differential expression in the leukemia study, which displays the log odds of differential expression on the y-axis versus the log fold change on the x-axis.
แบบฝึกหัดนี้เป็นส่วนหนึ่งของหลักสูตร
Differential Expression Analysis with limma in R
คำแนะนำการฝึกหัด
The fitted model object of the leukemia study from Chapter 2, fit2, has been loaded in your workspace. The limma package is already loaded.
Create a volcano plot that highlights the top 5 genes.
Label the top 5 genes with their gene symbols by passing the column
symbolof the data framefit2$genesto the argumentnames.
แบบฝึกหัดเชิงโต้ตอบแบบลงมือทำ
ลองทำแบบฝึกหัดนี้โดยเติมโค้ดตัวอย่างนี้ให้สมบูรณ์
# Create a volcano plot. Highlight the top 5 genes
___(fit2, highlight = ___, names = ___)