Paul Rubin wrote:
r <rt8...@gmail.com> writes:
So what was the fatal error, care to post a traceback?
Usually it's "expected to find some value but got None", or got a
list, or expected some structure but got a different one, or some
field was missing, etc. It's not a single traceback, it's a recurring
theme in developing this stuff.
I do not see any connection, really, between what you describe above and
your desire for static type-checking expressed elsewhere. When I was
regularly doing analysis of empirical data files, I learned (sometimes
the hard way, as you describe above) to **ALWAYS** run preliminary
checks of all fields through the entire file so I would know the actual
range of values of each and whether the ranges comported with the
requirements of the intended analyses. The principle was/is the same
whether using BMDP, SAS, C, or Python.
Terry Jan Reedy
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