RapidMiner Studio provides the Log
operator, which we have already seen being used in the previous chapters. Of all the operators, this is the one that I use a great deal, both for debugging and for creation of data.
Dealing with logging first, the Log
operator can be inserted anywhere in a process and is configured to output the parameters or values associated with another operator somewhere in the process. For example, the screenshot that follows shows some example parameters for the Log
operator:
The left-most column becomes the column name in the log, the second column is the name of the operator within the process, the third column is the type of information (either value or parameter), and the final column is the name of the information to log, which is filled in automatically with valid options by the RapidMiner Studio GUI. The value option is used to log the result of the execution of an operator, whereas the parameter option is used to log the parameters...