Reddit suicidality subset (binary)
Reddit r/SuicideWatch Posts (UMD) is a public corpus of Reddit posts labeled binary as expressing suicidal ideation or not, sampled from r/SuicideWatch and matched control subreddits. The texts within the corpus frequently explore themes of suicidal thoughts , mental health struggles , and feelings of isolation or emptiness . Many individuals share their experiences with depression , detailing moments of despair and the impact of trauma on their lives, often expressing a desire for relief from their emotional pain. There are also discussions about support systems , with some posts highlighting the importance of friendships and connections that provide temporary solace, while others reflect on feelings of guilt and failure in the context of lost relationships. Additionally, some texts convey moments of personal achievement or coping strategies, such as sobriety or engaging in hobbies, contrasting with the pervasive sense of hopelessness that characterizes many narratives. [Summary on 50 random texts by ChatGPT 4o Mini].
Reported holdout systems from the verified card
Binary classification uses FVE as the task-primary metric. Secondary columns keep the companion metrics visible so binary, ordinal, regression, and multiclass cards are not compared through one flattened score.
Best PsyProxy row is #2 overall among all model families on this card.

