CLICK HERE TO DOWNLOAD THE PDF Understanding the shape of the futures term structure is essential to commodity hedgers and speculators, as futures prices serve as a forecast of future spot prices.

Interpolating to a Higher or Lower Frequency You can use PROC EXPAND to interpolate values of time series at a higher or lower sampling frequency than the input time series. To change the periodicity ...

If the observations are equally spaced in time, and all the series are observed as beginning-of-period values, only the input and output data sets need to be specified. For example, the following ...

Epidemiological studies of the relationship between disinfection byproducts (DBPs) and adverse birth outcomes often use a single quarterly sample result to characterize an exposure period during a ...