[R] hash - extract key values

[Uwe Ligges]

Try to reinstall hash. Sounds like a broken installation.

Best,
Uwe Ligges


On 28.03.2015 07:03, Brian Smith wrote:
> 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.
>>
>>
>
> 	[[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.
>