What is the term used for the analysis of a variable classified by time where the values are functions of the time periods?

Time Series Analysis is a statistical technique used to analyze data points collected or recorded at specific time intervals. This method focuses on identifying patterns, trends, and seasonal variations within the data over time. By examining the relationship of values across different time periods, Time Series Analysis allows for understanding how a variable behaves and changes.

In this context, since the question specifically mentions that the values are functions of the time periods, Time Series Analysis is particularly suited for this purpose. It provides valuable insights into past behavior, which can be used for making future predictions or forecasts. The method relies heavily on temporal information, making it distinct and particularly relevant for analyzing data where time is a crucial factor.

Other options like Weighted Moving Average, Regression Analysis, and Forecasting Models serve different analytical purposes and may incorporate time series data but do not directly represent the overarching concept of analyzing time-dependent data.