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.
Ratio of all duplicates and natural duplicates under different hypothetical types for metagenomic samples. X-axis is the name or project identifier of metagenomic samples. For the real metagenomic dataset, the duplicates include both artificial and natural duplicates. For other hypothetical sample types, the duplicates are natural duplicates.
