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Session 2.4 How to Aggregate

Data Cleaning with KNIME:

How to Aggregate

Different ways to summarise a table with the GroupBy node — whole table, per group, and counts.

No group column
Group by pump_id
Count per group
12 readings, 3 pumps
CSV Reader
no group - one number (3.117)
GroupBy
by pump - one row per machine
GroupBy
count per pump (4 each)
GroupBy

Nodes

Extensions

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