# Different useful snippets in R

## Contents

# Different useful snippets in R#

## Plotting#

**Regression coefficients with parameters package**
Sometimes one wants to change the color of the plots, e.g. according to significance

## linear models#

### Generate mixed effect model equation#

## Data manipulations#

Split continuous to categorical at specific breakponts

```
tdf<- tdf %>%
mutate(
wave = case_when(
session < 6 ~ "first_wave",
session >= 6 & session < 14 ~ "summer_nowave",
session >= 14 ~ "second_wave"
)
)
```