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code allowing NA
3 messages · Bond, Stephen, Duncan Murdoch, Brian Ripley
On 23/03/2010 1:28 PM, Bond, Stephen wrote:
Dear R developers, Could you, please, point me to the source file containing the implementation of NA values?
I have a feeling this isn't what you want, but what you asked for is in https://svn.r-project.org/R/trunk/src/main/arithmetic.c in particular around lines 110 and 160. Duncan Murdoch
On Wed, 24 Mar 2010, Duncan Murdoch wrote:
On 23/03/2010 1:28 PM, Bond, Stephen wrote:
Dear R developers, Could you, please, point me to the source file containing the implementation of NA values?
I have a feeling this isn't what you want, but what you asked for is in https://svn.r-project.org/R/trunk/src/main/arithmetic.c in particular around lines 110 and 160.
And for completeness, lines 1106-8 of names.c (there are 4 types of NA in R, and NA_character_ is in a different file).
Brian D. Ripley, ripley at stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595