| 
Class Summary | 
| Averager | 
A tool to calculate the mean of a data series. | 
| ExpSmoother | 
This exponentially smooths a time series
 The smoothed value y(t) at step t is 
     y(t) = timeConstant*y(t-1) + (1 - timeConstant)*x(t),
 where x(t) is the new data point at step t | 
| In | 
Input. | 
| Out | 
This class provides methods for writing strings and numbers to various output
 streams, including standard output, file, and sockets. | 
| StdRandom | 
Modified by zhihongx in 2010 to allow setting the seed for the pseudorandom number generator |