Override this class to create a new step.
TicStepAn object of class R6ClassGenerator of length 24.
runThis method must be overridden, it is called when running the stage to which a step has been added.
prepareThis 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.
checkThis method determines if a step is prepared and run.
Return FALSE if conditions for running this step are not met.