You are managing a marketing campaign and experience poor performance for large sections of your data.

Which approach is a correct method to improve your campaign performance?

You have a large amount of data from which you want to build a model. Although many of the records of data are complete, there are substantial amounts of records which contain missing data. The records containing incomplete information should be excluded from analysis.

Which node will exclude the undesired records?

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?