cdfGetFields: Gets a subset of groups fields in a CDF structure
Description
Gets a subset of groups fields in a CDF structure. This function
is designed to be used with applyCdfGroups
().
Usage
cdfGetFields(groups, fields, ...)
Value
Returns a list
structure of groups.
Details
Note that an error is not generated for missing fields.
Instead the field is returned with value NA
. The reason for this
is that it is much faster.