Comparing Emotional Valence Scores of Twitter Messages from Human Coding and Machine Learning Algorithms Among Hispanic and African American Family Caregivers of Persons with Dementia. - Sunmoo Yoon; Peter Broadwell; Dante Tipiani; Amanda Bristol; Soyoung Moon; Brian Yoon; Jianfang Liu; Niya Huang; Nicole Davis (ICIMTH, 2023)