Observations
Syntax
Observations(Year1, Value1, Year2, Value2,... YearN, ValueN) or
Observations(ExcelFile, ExcelRange)
Observations(Branch:Variable)
See also: Using Time-Series Functions and Specifying Excel File and Range Parameters.
Summary
Reports the number of variables in a time-series expression.
Example
Observations(2000, 100, 2020, 150, 2030, 200) = 3