des-fast

Input Stack: expr: TimeSeriesExpr

⇨

Output Stack: TimeSeriesExpr

Apply double exponential smoothing using parameters optimized for quick adaptation to changes in the input data. This is a convenience operator with pre-configured settings for rapid response.

Parameters

• expr: The time series expression to apply fast DES smoothing to

Examples

Before	After
name,sps,:eq, :sum	name,sps,:eq, :sum, :des-fast

Related Operations

• :des - Full DES with custom parameters
• :sdes-fast - Sliding DES equivalent (recommended alternative)
• :des-simple - Basic DES with simple defaults

See Also

• DES Recommended Values - Parameter guidance