Hi all,
I got currently some trouble with missvals in netCDF files:
I have a netCDF file, written with an unknown program, which shows via ncdump
no fillval or missval for its variables. Within the variables obviously a
missval of 9.96921e+36 is used.
When I read it into R via the ncdf package it shows me a missval of 1e+30, but
the 9.96921e+36 are still in the dataset.
Since my application is an automised processing of such data I have the
following questions:
Is R showing a missval, even when it is not existent in the file itself (I know
that it uses the 1e+30 value as a default itself, when it writes files)?
Could it be the case that R (ncdf) varies here from the "netCDF standard",
which assumes 9.96921e+36 instead of 1e+30 as the standard missval (at least a
lot of software on the market does this)?
How is it possible via R (ncdf) to find out, whether the actual given missval
is really given in the data?
Many thanks in advance,
André Düsterhus
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