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Import Wizzard (Value Type Determination) for every way of importing data
when importing data using the wizard, Step 3, which allows you to determine the type and role of each attribute is extremely useful. Unfortunately, when not using the File/Import Data menu but rather an import operator, this wizard is not available - or at least I haven't found a way to open it. For example when using the Read Excel operator, the only thing I can influence is first row as names. I know there is the option to change the role of individual attributes using the Exchange Roles operator, but it would be more straight forward if you could open the import wizard by - let's say - double clicking the import operator.
In addition, you can display the attributes of an already existing data repository already at design time, which is very handy. However, I couldn't find a way to change the attribute roles or types of attributes in an existing repository. Again, it would be very nice if you could not only display the meta data, but also edit it (without having to reimport the data from scratch).
Thank you for considering this - and of course for all the effort you invest in this absolutely great tool! Data mining has never been as convenient, before!