Time()
Use Time() to get the timestamp of each sample point.
Category: Technical Reference
ValueAt_Sampled()
Use ValueAt_Sampled() to get the value of the expression at the specified time.
SampleFilter()
Use SampleFilter() to only get samples from an expression where a condition is true.
Average_Sampled()
Use Average_Sampled() to get the average of the values of an expression over a range of time.
Sum_Sampled()
Use Sum_Sampled() to get the sum of the values of an expression over a range of time.
Count_Sampled()
Use Count_Sampled() to get the number of samples in an expression over a range of time.
ParseDate()
Use ParseDate() to get the time that is the result of parsing a string argument.
If()
Use If() to return an expression that depends on whether a condition is true or false.
Concat()
Use Concat() to concatenate two or more strings.
Operators
Operator precedence follows the standard mathematical rules. Brackets ( ) can be used to specify precedence explicitly. E.g. 2 * (3 + 4). This page describes the mathematical and logical operators available for use in expressions parsed by the Server calculation engine.