Skip to Main Content
R Programming for Bioinformatics
book

R Programming for Bioinformatics

by Robert Gentleman
July 2008
Intermediate to advanced content levelIntermediate to advanced
328 pages
10h 53m
English
Chapman and Hall/CRC
Content preview from R Programming for Bioinformatics
288 R Programming for Bioinformatics
Now we will use trace to debug the subsetAsCharacter generic only when
x is of class "character".
> trace("subsetAsCharacter", tracer = browser,
signature=c(x = "numeric"))
[1] "subsetAsCharacter"
Note that, in this particular case, there was no specific subsetAsCharacter
metho d with this signature. So the tracing will occur for the default metho d
but only when the signature matches the one given to trace.
> subsetAsCharacter(1.5, 1:2)
Tracing subsetAsCharacter(1.5, 1:2) on entry
Called from: subsetAsCharacter(1.5, 1:2)
Browse[1]> ls()
[1] "i" "j" "x"
Browse[1]> x
[1] 1.5
Browse[1]> c
[1] "1.5" NA
> subsetAsCharacter(1 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Computation in BioInformatics

Computation in BioInformatics

S. Balamurugan, Anand T. Krishnan, Dinesh Goyal, Balakumar Chandrasekaran, Boomi Pandi
R for Data Science Cookbook (n)

R for Data Science Cookbook (n)

Prabhanjan Narayanachar Tattar, Yu-Wei, Chiu (David Chiu)

Publisher Resources

ISBN: 9781420063677