cdfGetFields {affxparser} | R Documentation |
Gets a subset of groups fields in a CDF structure.
This function
is design to be used with applyCdfGroups
()
on an Affymetrix Mapping (SNP) CDF list
structure.
cdfGetFields(groups, fields, ...)
groups |
A list of groups. |
fields |
A character vector of names of fields to be returned. |
... |
Not used. |
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.
Returns a list
structure of groups.
Henrik Bengtsson (http://www.braju.com/R/)