[R] hash - extract key values

[Brian Smith]

I deleted the 'hash' directory and re-installed (several times!) it, but it
is still wierd......


> 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] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] tools_3.1.2
> library(hash)
hash-3.0.1 provided by Decision Patterns

> myhash <- hash(key=letters,values=1:26)
> myhash
<hash> containing 2 key-value pair(s).
  key : a b c d e f g h i j k l m n o p q r s t u v w x y z
  values :  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21
22 23 24 25 26
> keys(myhash)
[1] "key"    "values"
> myhash$key
 [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q"
"r" "s" "t" "u" "v" "w" "x" "y" "z"
> myhash$values
 [1]  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
24 25 26
> 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] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] hash_3.0.1

loaded via a namespace (and not attached):
[1] tools_3.1.2
>

On Sat, Mar 28, 2015 at 5:02 AM, Uwe Ligges <ligges at statistik.tu-dortmund.de
> wrote:

> 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.
>>
>>

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