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Major notations and meanings in CAAB
| n | Number of activities |
| T | Total number of data collection days |
| A | Set of n activities being modeled |
| Pi | Activity performance feature vector for activity i modeled over data collection period T |
| Pi,d,t | Activity performance feature d for activity i activity on day t |
| j | Time point at which clinical measurements are made |
| Sj | Clinical assessment score measured at time point j |
| W | Sliding window size |
