. 2017 Sep 26;3(3):e63. doi: 10.2196/publichealth.8060
©Annice Kim, Thomas Miano, Robert Chew, Matthew Eggers, James Nonnemaker. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 26.09.2017.
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Figure 2.
Distributions of manually labeled versus model-predicted classification of Twitter users who tweet about e-cigarettes.