[R] [bug] spdep package?

[Jeremie Juste]

Helllo,

Thanks for the info. I still think these variables should not be loaded
when library(spdep) is called.

But I'll handle it following your suggestion.

Thanks,

Jeremie






> It turns out that that 'x' comes from the spData package and lives
> inside that package (part of its namespace).
>
>> spData::x
>  [1]   0  30  60  90 120 150 180 210 240 270 300 330 360 390 420 450
>
> This is conceptually no different from other objects in package
> namespace, although we are more used to seeing functions and not data
> object.  Another well-known example of this is:
>
>> base::pi
> [1] 3.141593
>
> So, this 'x' is *not* in your global workspace and you cannot remove
> it without unloading the package.
>
> /Henrik


>>
>>
>> I found a dangerous issue in the library spdep. I get variables x and y
>> that cannot be removed by rm() and I don't don't how they show up. Can
>> anyone reproduce this?
>>
>> ~$ R --vanilla
>> > rm(list=ls())
>> > library(spdep)
>> > x
>> [1]   0  30  60  90 120 150 180 210 240 270 300 330 360 390 420 450
>> > rm(list=ls())
>> > x
>> [1]   0  30  60  90 120 150 180 210 240 270 300 330 360 390 420 450
>>
>>
>>
>> > Sys.info()
>>
>> sysname        "Linux"
>> release        "4.9.0-6-amd64"
>> version        "#1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07)"
>> nodename       "freegnu"
>> machine        "x86_64"
>>
>>
>> > Session
>>
>>
>> > sessionInfo()
>>
>> R version 3.4.1 (2017-06-30)
>> Platform: x86_64-pc-linux-gnu (64-bit)
>> Running under: Debian GNU/Linux 9 (stretch)
>>
>> Matrix products: default
>> BLAS: /usr/local/lib/R/lib/libRblas.so
>> LAPACK: /usr/local/lib/R/lib/libRlapack.so
>>
>> locale:
>>  [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
>>  [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
>>  [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
>>  [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
>>  [9] LC_ADDRESS=C               LC_TELEPHONE=C
>> [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
>>
>> attached base packages:
>> [1] stats     graphics  grDevices utils     datasets  methods   base
>>
>> loaded via a namespace (and not attached):
>> [1] compiler_3.4.1
>>
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