## `geom_smooth()` using formula 'y ~ x'
figure 1. linear models
| Deltagare | Stimulus 1 | Stimulus 2 | Stimulus 3 |
|---|---|---|---|
| Deltagare 1 > | Kontroll | Behandling A | Behandling B |
| Deltagare-2-> | Behandling-A | Kontroll | Behandling-B |
| Deltagare-3-> | Behandling-B | Behandling-A | Kontroll |
| … | … | … | … |
goes
hopefully