Nothing
The "Manual on Low-flow Estimation and Prediction", published by the World Meteorological Organisation (WMO), gives a comprehensive summary on how to analyse stream flow data focusing on low-flows. This packages provides functions to compute the described statistics and produces plots similar to the ones in the manual.
Get the released version from CRAN:
install.packages("lfstat")
There is also an R-Commander Plugin "RcmdrPlugin.lfstat" which provides a graphical user interface for a subset of the functionality provided by lfstat.
install.packages("RcmdrPlugin.lfstat")
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.