[R-SIG-Mac] [External] summary() suddently producing weird NULL: values for factors and character attributes

[John Helly]

Aloha.

Don't know if this is uniquely a Mac issue or not.  I will try to test 
on a Linux distro later today.  \\\

In the meantime, here's the additional info.  Thanks for the responses.  
I created a test subset of the input data so it is just the first DAUCO 
value subset (i.e., 00125).

In looking at the output of utils, perhaps there is some kind of 
inter-library conflict for summary?   Don't know how to look for 
multiple function names (yet).

J.


* ====================================== R code and output 
================================

PRISM        = read.table(PRISM_INPUT,header=TRUE, sep=',',
colClasses=c('character','numeric','numeric','numeric','numeric','numeric'))
...

 > dput(head(PRISM))
structure(list(DAUCO = c("00125", "00125", "00125", "00125",
"00125", "00125"), Longitude = c(-121.416666667, -121.375, -121.333333333,
-121.291666667, -121.25, -121.208333333), Latitude = c(41.9583333334,
41.9583333334, 41.9583333334, 41.9583333334, 41.9583333334, 41.9583333334
), Precipitation = c(63.1469993591, 63.6969985962, 65.7460021973,
69.4150009155, 74.0780029297, 80.4290008545), Year = c(1895,
1895, 1895, 1895, 1895, 1895), Month = c(1, 1, 1, 1, 1, 1)), row.names = 
c(NA,
6L), class = "data.frame")
 >


 > utils::sessionInfo()
R version 4.0.3 (2020-10-10)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Catalina 10.15.7

Matrix products: default
BLAS: 
/Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRblas.dylib
LAPACK: 
/Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRlapack.dylib

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] reshape_0.8.8 plyr_1.8.6    ggplot2_3.3.2

loaded via a namespace (and not attached):
  [1] Rcpp_1.0.4.6          pillar_1.4.4 DEoptimR_1.0-8        
compiler_4.0.3        RColorBrewer_1.1-2
  [6] iterators_1.0.12      digest_0.6.25 lifecycle_0.2.0       
tibble_3.0.1          gtable_0.3.0
[11] nlme_3.1-149          lattice_0.20-41 pkgconfig_2.0.3       
rlang_0.4.6           foreach_1.5.0
[16] Matrix_1.2-18         parallel_4.0.3 ergm_3.10.4           
coda_0.19-3           withr_2.2.0
[21] dplyr_1.0.0           generics_0.0.2 vctrs_0.3.1           
networkDynamic_0.10.1 trust_0.1-8
[26] grid_4.0.3            tidyselect_1.1.0 deSolve_1.28          
robustbase_0.93-6     glue_1.4.1
[31] R6_2.4.1              farver_2.0.3 purrr_0.3.4           
magrittr_1.5          codetools_0.2-16
[36] scales_1.1.1          ellipsis_0.3.1 MASS_7.3-53           
lpSolve_5.6.15        colorspace_1.4-1
[41] ape_5.4               labeling_0.3 network_1.16.0        
lazyeval_0.2.2        doParallel_1.0.15
[46] EpiModel_1.8.0        munsell_0.5.0 tergm_3.6.1           
statnet.common_4.3.0  crayon_1.3.4
 >

On 12/13/20 18:22, Richard M. Heiberger wrote:
> please send to the list the output from both:
>
> dput(head(P2))
>
> utils::sessionInfo()
>
> This is the Macintosh list.  Is this specifically a Macintosh problem?
>
>
>
> On Sun, Dec 13, 2020 at 6:32 PM John Helly via R-SIG-Mac <
> r-sig-mac using r-project.org> wrote:
>
>> Aloha.
>>
>> For the past few weeks, maybe 6 or more, I've been getting strange results
>> from the summary() function for data.frames.  Has anyone else noticed
>> something like this?  I don't think I've done anything to cause this but
>> cannot find anything to attribute it to.  Example below.  It lists every
>> row as a value in the data frame attribute DAUCO.  Similar behavior found
>> with other read.table results using syntax below.
>>
>>
>> PRISM        =
>> read.table(PRISM_INPUT,header=TRUE,stringsAsFactors=TRUE,sep=',',
>>
>> colClasses=c('character','numeric','numeric','numeric','numeric','numeric'))
>>
>> P2 is a subset of PRISM.
>>
>>
>>
>> J.
>>
>> --
>>
>> John Helly, University of California, San Diego / San Diego Supercomputer Center / Scripps Institution of Oceanography / 760 840 8660 mobile / http://www.sdsc.edu/~hellyj
>> ORCID ID: orcid.org/0000-0002-3779-0603
>>
>> _______________________________________________
>> R-SIG-Mac mailing list
>> R-SIG-Mac using r-project.org
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>>

-- 
John Helly, University of California, San Diego / San Diego Supercomputer Center / Scripps Institution of Oceanography / 760 840 8660 mobile / http://www.sdsc.edu/~hellyj
ORCID ID: orcid.org/0000-0002-3779-0603