A prescription of Lachesis has failed, but examination of the case seems nonetheless to indicate it. With this method you are able to limit your search to snake remedies only. You can give every medicine belonging to a particular family greater weight in your analysis or exclude all remedies that do not belong to a particular family. Families will also provide information about which families come up strongest in the analysis.
You can analyze your case and display the position of the present families. As a default, RADAR uses the 3 kingdoms (plants, minerals, and animals) for this display. You can set your own default or just change the families considered for a particular analysis. There are over 3000 families to choose from.