Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.
Calculation types
The following table contains a list of calculations you can perform in Grafana. You can find these calculations in the Transform tab and in the bar gauge, gauge, and stat visualizations.
Calculation | Description |
---|---|
All nulls | True when all values are null |
All values | Array with all values |
All unique values | Array with all unique values |
All zeros | True when all values are 0 |
Change count | Number of times the field’s value changes |
Count | Number of values in a field |
Delta | Cumulative change in value, only counts increments |
Difference | Difference between first and last value of a field |
Difference percent | Percentage change between first and last value of a field |
Distinct count | Number of unique values in a field |
First | First value in a field |
First* (not null) | First, not null value in a field (also excludes NaNs) |
Last | Last value in a field |
Last* (not null) | Last, not null value in a field (also excludes NaNs) |
Max | Maximum value of a field |
Mean | Mean value of all values in a field |
Variance | Variance of all values in a field |
StdDev | Standard deviation of all values in a field |
Min | Minimum value of a field |
Min (above zero) | Minimum, positive value of a field |
Range | Difference between maximum and minimum values of a field |
Step | Minimal interval between values of a field |
Total | Sum of all values in a field |