Longitudinal studies

This website is a companion to Maarten Boers’ book Data Visualization for Biomedical Scientists, which mainly relies on GraphPad Prism for plotting data. Given the widespread use of R and its open-source nature, the purpose of this website is to facilitate the same principles in the R computing environment.

This website is split into several chapters. First, we will start with reviewing some general data visualization principles. The following chapters are divided according to plot types. All

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# Longitudinal studies {.unnumbered}

This website is a companion to Maarten Boers' book *Data Visualization for Biomedical Scientists*, which mainly relies on GraphPad Prism for plotting data. Given the widespread use of R and its open-source nature, the purpose of this website is to facilitate the same principles in the R computing environment.

This website is split into several chapters. First, we will start with reviewing some general data visualization principles. The following chapters are divided according to plot types. All

```{r}
1 + 1
```