Exactly. Used to work for me, but not anymore. I tried restarting session,
installing the most recent package of 'hash' etc.
Here is my sessionInfo():
> sessionInfo()
R version 3.1.2 (2014-10-31)
Platform: x86_64-apple-darwin10.8.0 (64-bit)
locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] grid parallel stats4 stats graphics grDevices utils
datasets methods base
other attached packages:
[1] mapdata_2.2-3 maps_2.3-9 org.Hs.eg.db_3.0.0
multicore_0.1-7 nlme_3.1-120 Rgraphviz_2.10.0
[7] biomaRt_2.22.0 topGO_2.18.0 SparseM_1.6
GO.db_3.0.0 graph_1.44.1 mouse4302.db_3.0.0
[13] org.Mm.eg.db_3.0.0 RSQLite_1.0.0 DBI_0.3.1
AnnotationDbi_1.28.1 GenomeInfoDb_1.2.4 IRanges_2.0.1
[19] S4Vectors_0.4.0 Biobase_2.26.0 BiocGenerics_0.12.1
XML_3.98-1.1 gap_1.1-12 som_0.3-5
[25] pvclust_1.3-2 foreign_0.8-63 hash_3.0.1
loaded via a namespace (and not attached):
[1] bitops_1.0-6 lattice_0.20-29 RCurl_1.95-4.5 tools_3.1.2
On Fri, Mar 27, 2015 at 9:54 PM, Boris Steipe <boris.steipe at
utoronto.ca>
wrote:
> Works for me :
>
> > library(hash)
> hash-2.2.6 provided by Decision Patterns
>
> > hx <- hash( c('a','b','c'), 1:3 )
> > class(hx)
> [1] "hash"
> attr(,"package")
> [1] "hash"
> > hx$a
> [1] 1
> > keys(hx)
> [1] "a" "b" "c"
>
>
> Maybe restart your session? Clear your workspace? Upgrade?
>
> B.
>
>
>
>
>
> On Mar 27, 2015, at 7:39 PM, Brian Smith <bsmith030465 at gmail.com>
wrote:
>
> > Hi,
> >
> > I was trying to use hash, but can't seem to get the keys from the
hash.
> > According to the hash documentation ('hash' package pdf, the
following
> > should work:
> >
> >> hx <- hash( c('a','b','c'), 1:3 )
> >> class(hx)
> > [1] "hash"
> > attr(,"package")
> > [1] "hash"
> >> hx$a
> > [1] 1
> >> keys(hx)
> > Error in (function (classes, fdef, mtable) :
> > unable to find an inherited method for function ?keys? for signature
> > ?"hash"?
> >
> > How can I get the keys for my hash?
> >
> > thanks!
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
>
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