The ezec package for easy EC calculation.
The package ezec is not a revolutionary work. It
simply is a wrapper for the drc package that makes life a little
easier when it comes to calculating a simple EC 50. The main function of
the package is
EC_table. This function will do as it says and
automatically produce a table to EC values for each isolate in your sample.
Data is expected to exist in a table with at least three columns:
Response value (Growth)
Any other columns in your data are optional. An example data set