# Data extraction methods <span class="badge badge-draft1">✎ Very rough draft</span>
```{r}
#| include: false
if(file.exists("../_setup.R")){source("../_setup.R")}
```
## WebPlotDigitizer
- Extracting data from published figures using WebPlotDigitizer
## Contacting authors
- Asking for scatter plots, frequency plots, etc.
- Requesting data or additional information to support trustworthiness assessment