You have a data set with two different date fields (columns). Your analysis requires you to create a new field which is the number of calendar days elapsed between these two dates.

Which node will you use to accomplish this task?

You want to illustrate the strength of the relationship between blood pressure and prescription drug to which a patient responded. The blood pressure variable has been binned into ten values.

Which node should be used?

You are hired by a large corporation to perform advanced analytics on their human resources data. One of the fields available in this data set is employee salary. You need to convert raw salary information into percentile rankings within the corporation.

Which node will you use to accomplish this task?