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Model Column Operations

Right clicking on a column label in the first field of the column selector stage of the data model will show the following context menu (purple highlight below).

Operations

Users can:

  • Rename a column/attribute (This can also be done by double clicking on the column name)
  • Delete the column - permanently removing it from the model

IMPORTANT : Deleted columns are removed completely from the model. This can make a model lighter and faster - but they cannot be used as a source for any other functionality. Removing unneeded columns is a useful exercise when appropriate.The alternative is to hide a column. See here for more.

  • Filter columns - which allows the user to filter the data feed into the model from the source. Click here fore more on data filtering.
  • Split a Column - this provides a quick, simple interface for splitting a column into 2 or more columns using a simple separator 'rule' that may exist in the source column. For more advanced splitting scenarios, users can create complex calculations and use them to source calculated/custom columns.
  • Column Statistics - this will enable the column statistics panel at the bottom of the column selector. Click here for more on column stats.
  • Edit Column (Data) Type - this allows the user to overwrite the heuristically determined data type for a column (string, integer, date etc)

Multi Column Operation

If the user selects more than 1 column at a time in the selector (orange highlight below), a new item is available in the context menu: "Merge Columns".

Merge columns, like split columns above, provides a quick, simple interface for merging 2 or more columns into a single columns using a simple separator 'rule'. For more advanced merging scenarios, users can create complex calculations and use them to source calculated/custom columns.

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