Filename either with full path or relative to working directory.
verbose
Should there be verbose output while running the file? Default=TRUE.
echoall
Debugging tool (not fully implemented) of echoing blocks of
data as it is being read.
section
Which data set to read. Only applies for a data.ss_new file created
by Stock Synthesis. Allows the choice of either expected values
(section=2) or bootstrap data (section=3+). Leaving default of
section=NULL will read input data, (equivalen