Figure 6.
Clustering results of 40 paper samples, with a sample size of 100 spectra. Left-hand plot is obtained using Principal Component Analysis (PCA), and the right-hand plot is obtained using t-Distributed Stochastic Neighbor Embedding (t-SNE).
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.