Journal: JMIR Public Health and Surveillance

Article Title: Predicting Age Groups of Reddit Users Based on Posting Behavior and Metadata: Classification Model Development and Validation

doi: 10.2196/25807

Figure Lengend Snippet: Number of manually labeled Reddit posts by age category (December 2019).

Article Snippet: This model is both interpretable and has competitive predictive performance when compared with previous Reddit age classification results in the literature.

Techniques: Labeling

Journal: JMIR Public Health and Surveillance

Article Title: Predicting Age Groups of Reddit Users Based on Posting Behavior and Metadata: Classification Model Development and Validation

doi: 10.2196/25807

Figure Lengend Snippet: Variables for modeling age of Reddit users in the training set derived from the comment, post, and user data collected for users whose ages were confirmed by manual labeling.

Article Snippet: This model is both interpretable and has competitive predictive performance when compared with previous Reddit age classification results in the literature.

Techniques: Derivative Assay, Labeling

Journal: JMIR Public Health and Surveillance

Article Title: Predicting Age Groups of Reddit Users Based on Posting Behavior and Metadata: Classification Model Development and Validation

doi: 10.2196/25807

Figure Lengend Snippet: Classifier performance for predicting manually labeled age of Reddit users based on the full derived variable set.

Article Snippet: This model is both interpretable and has competitive predictive performance when compared with previous Reddit age classification results in the literature.

Techniques: Labeling, Derivative Assay, Plasmid Preparation

Journal: JMIR Public Health and Surveillance

Article Title: Predicting Age Groups of Reddit Users Based on Posting Behavior and Metadata: Classification Model Development and Validation

doi: 10.2196/25807

Figure Lengend Snippet: Model performance on the test set for predicting age group of Reddit users using gradient boosted trees classifier with all features vs select features.

Article Snippet: This model is both interpretable and has competitive predictive performance when compared with previous Reddit age classification results in the literature.

Techniques:

Journal: JMIR Public Health and Surveillance

Article Title: Predicting Age Groups of Reddit Users Based on Posting Behavior and Metadata: Classification Model Development and Validation

doi: 10.2196/25807

Figure Lengend Snippet: Permutation feature importance scores for top variables in the reduced model for predicting age of Reddit users.

Article Snippet: This model is both interpretable and has competitive predictive performance when compared with previous Reddit age classification results in the literature.

Techniques: