Aggregate Columns¶
Compute a sum, max, min ... of selected columns.
Inputs
Data: input dataset
Outputs
Data: extended dataset
Aggregate Columns outputs an aggregation of selected columns, for example a sum, min, max, etc.
Selected attributes.
Operator for aggregation:
sum
product
min
max
mean
variance
median
Set the name of the computed attribute.
If Apply automatically is ticked, changes will be communicated automatically. Alternatively, click Apply.
Example¶
We will use iris data from the File widget for this example and connect it to Aggregate Columns.
Say we wish to compute a sum of sepal_length and sepal_width attributes. We select the two attributes from the list.