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stat-count

Input Stack:
 ⇨ Output Stack:
TimeSeriesExpr

Filter helper that represents the count statistic of the input time series. This is a placeholder that gets automatically replaced with count,:stat when used with :filter. It allows filtering based on the number of non-NaN datapoints in each time series without having to duplicate the input expression.

Examples

Filtering series by data completeness:

BeforeAfter
name,sps,:eq,
(,nf.cluster,),:by

name,sps,:eq,
(,nf.cluster,),:by,
:stat-count,
50,:gt,
:filter

This filters to show only time series that have more than 50 valid datapoints.

  • :stat - Base statistics operation (stat-count represents count,:stat)
  • :filter - Filtering operation that uses stat helpers
  • :stat-avg - Filter by average values
  • :stat-total - Filter by sum of all values