Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2022 Oct 28;5:161. doi: 10.1038/s41746-022-00704-8

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

PMC Copyright notice

Fig. 7 — a The ROC curves of early warning; b the PR curves of early warning; c the fitting curve of the occurrence and development of the epidemic. The blue line represents the actual number of confirmed cases per day, the purple line represents the predicted occurrence result of the model, the orange line represents the predicted development result of the model, the triangular icon represents the time point of the official report of cryptic transmission, the circular icon represents the time point of our prediction of the occurrence of cryptic transmission, and our prediction time is 13 days ahead of the official date.