Published on in Vol 8, No 9 (2020): September
![Using Machine Learning and Smartphone and Smartwatch Data to Detect Emotional States and Transitions: Exploratory Study Using Machine Learning and Smartphone and Smartwatch Data to Detect Emotional States and Transitions: Exploratory Study](https://asset.jmir.pub/assets/60ad2dfe7341e7ed87f3f68e48b4e924.png 480w,https://asset.jmir.pub/assets/60ad2dfe7341e7ed87f3f68e48b4e924.png 960w,https://asset.jmir.pub/assets/60ad2dfe7341e7ed87f3f68e48b4e924.png 1920w,https://asset.jmir.pub/assets/60ad2dfe7341e7ed87f3f68e48b4e924.png 2500w)
1 Data Intelligence for Health Lab, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
2 Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
3 Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
4 Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
*these authors contributed equally