Figure 3.
Samples represented on the planes of the first three principal components. Each pair of samples is represented as an arrow, with pre-LT at the tail and post-LT at the head. (A) PC2 vs. PC1; (B) PC3 vs. PC1; (C) PC3 vs. PC2.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.