Profile

Profile

Overview:

The Profile node provides statistical summaries and visual insights for selected columns in a dataset. It helps users understand distributions, missing values, and basic metrics before further transformations.

Location:

Pipeline → Data Preparation → Profile

Predecessor Rules:

• Only a single predecessor is allowed.
• Predecessor must output tabular data.
• Works with all RDBMS datasets, template file readers, and template table readers.

Feature Selection:

• Features can be selected only from the property pane.
• Selected columns appear visually inside the Profile node.
• Works after renaming, filtering, or metadata refresh.


Execution:

On execution, the node calculates basic statistics for each selected column.
Statistics and charts appear in Explore view → Result tab.

Statistics Generated:

• Missing Values
• Missing Value %
• Mean
• Std
• Min
• Max
• Freq
• Top
• Unique

Rules:
• For categorical/geographical/interval columns → Mean, Std, Min, Max = None
• For numerical columns → Freq, Top, Unique = None

 


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