CumulativeStdDev
Calculates the cumulative standard deviation of values from the first row up to the current row within a partition.
Category: window
Syntax:
CumulativeStdDev([column])
Returns: Float
Context Filtering: ✓ Yes
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
column |
column |
✓ Yes | The numeric column to calculate cumulative standard deviation for |
Allowed Column Types for column: INT, FLOAT, DECIMAL, NUMBER
Validation
- Minimum parameters: 1
- Maximum parameters: 1
Examples
CumulativeStdDev([Sales])
Returns the running standard deviation of sales from the first row to the current row.
CumulativeStdDev([Response_Time])
Calculates cumulative standard deviation of response times, useful for tracking variability over time.
Related Functions
- CumulativeVariance - Calculates cumulative variance
- MovingStdDev - Calculates moving standard deviation with a window
- StDev - Returns the overall standard deviation
- CumulativeAvg - Calculates cumulative average