example subject `1642801498240_6eiuc` - almost perfectly anti-correlated
- more positive values = more sensitive to that covariate (greater weight)
- discern: if no data points, subject either didn't share anything or shared everything (hence cannot compute discernment)
![[1675220672.png]]
```r
# one sample t-test (mean != 0)
t(624) = −10.34, p < .001
```
![[1675222302.png]]