[Bioc-devel] best practice: dependencies of dependencies / no visible global function definition
Ludwig Geistlinger
Ludwig.Geistlinger at bio.ifi.lmu.de
Wed Jun 24 19:36:42 CEST 2015
I'm surely not the first asking this question.
But as I did not find a clear answer to that (e.g. in the 'Writing R
extensions' manual or in the diverse posts on this), I risk asking it
again.
As an example:
I'm dealing a lot with ExpressionSets (from Biobase) and
GeneSet[Collection]s (from GSEABase) in my package and they are in- &
outputs of my exported functions, so I want them to be available when my
package is loaded.
Thus, I would tend to put both, 'Biobase' and 'GSEABase', in the 'Depends'
field of my DESCRIPTION file and a corresponding 'import' directive in my
NAMESPACE file.
However, I do know that 'GSEABase' depends on 'Biobase' - so in order to
be not redundant and keeping the 'Depends' field as small as possible, I
could also remove 'Biobase' from my 'Depends'.
Now, everything still works fine (building, installing, and I still got
the ExpressionSets when loading my package), however R CMD CHECK now
*notes* on many occasions:
no visible global function definition for pData
no visible global function definition for exprs
no visible global function definition for fData
...
Ok, these are NOTES, but I assume they are there for a reason.
So, I wonder what a developer's best practice is on that - ignoring the
notes, adding all Biobase/ExpressionSet functionality via imports, or
indeed depending on both packages.
Best,
Ludwig
--
Dipl.-Bioinf. Ludwig Geistlinger
Lehr- und Forschungseinheit für Bioinformatik
Institut für Informatik
Ludwig-Maximilians-Universität München
Amalienstrasse 17, 2. Stock, Büro A201
80333 München
Tel.: 089-2180-4067
eMail: Ludwig.Geistlinger at bio.ifi.lmu.de
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