Variance

Supported in: Batch, Streaming

Calculate population variance of values in column.

Expression categories: Aggregate

Declared arguments

• Expression - The column of on which variance is computed.
  Expression<Numeric>

Output type: Double

Examples

Example 1: Base case

Argument values:

• Expression: values

Given input table:

Outputs: 0.66666666667

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Example 2: Null case

Argument values:

• Expression: values

Given input table:

Outputs: 0.25

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