Override this class to create a new step.
TicStep
An object of class R6ClassGenerator
of length 24.
run
This method must be overridden, it is called when running the stage to which a step has been added.
prepare
This method is called when preparing the stage to which a step has been added. Override this method to install any R packages your step might need, because this allows them to be cached for subsequential runs.
check
This method determines if a step is prepared and run.
Return FALSE
if conditions for running this step are not met.