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NOTE : Like fieldsets, a netCDF resulting from an operation on two other netCDFs, will take the metadata (e.g. date, time, parameter, levels, ...) from the first netCDF.
Missing values (Metview 5)
By default, Metview will check the _FillValue attribute of the current variable and will not include any such values in its calculations. This behaviour can be toggled using the function netcdf_preserve_missing_values().
Working with multi-variable NetCDF files
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