+ Note that older versions of R impose a limit on how many characters
+ can be contained on a line: about 4076 bytes maximum. You will be
+ warned if this occurs, with an error message stating:
+
+ '\0' is an unrecognized escape in character string starting "...
+
+ In this case, try to break down your R code into several smaller,
+ more manageable statements. Alternatively, adding newline characters
+ "\n" at strategic places in the R statements will work around the
+ issue.
+