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 ...

We consider the problem of transforming values from a flow time series observed over varying time intervals into values that cover calendar intervals such as day, week, month, quarter and year. We ...

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 ...

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.