Find outliers that are more than 4 standard deviations away from the session median.

```
find_session_outlier(
.data,
...,
n = 5,
nsd_off = 4,
D47 = D47_raw,
outlier_session = outlier_session_D47,
session = Preparation,
quiet = NULL
)
```

- .data
A tibble with raw Delta values and file information.

- ...
These dots are for future extensions and must be empty.

- n
The minimum number of measurements in the session needed to calculate an offset from the median.

- nsd_off
The number of standard deviations away from the median.

- D47
The column to calculate the internal sd value for.

- outlier_session
Column name of new output column.

- session
The session for which to calculate the standard deviation and median values.

- quiet
If

`TRUE`

, print info messages. If`NULL`

(default) listens to`options(clumpedr.quiet)`