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Personality, Gender, and Age in the Language of Social Media: The Open-Vocabulary Approach
Figure 5
Standardized frequency of topics and words across age.
A. Standardized frequency for the best topic for each of the 4 age groups. Grey vertical lines divide groups: 13 to 18 (black: 
out of 
), 19 to 22 (green: 
), 23 to 29 (blue: 
), and 30+ (red: 
). Lines are fit from first-order LOESS regression [81] controlled for gender. B. Standardized frequency of social topic use across age. C. Standardized ‘I’, ‘we’ frequencies across age.
doi: https://doi.org/10.1371/journal.pone.0073791.g005