Follow-up:
I find that the problem does not occur on a Linux system, so it is
either Mac-specific or some function of the libraries loaded on the
problem machine.
J.
On 12/14/20 12:24, John Helly wrote:> Aloha.
>
> I have been using the summary function (i.e., summary()) for years
> and, in the last few weeks, suddenly find it behaving in an obviously
> erroneous way.? I expect the DAUCO summary to be summary of the
> character variable but it has these weird NULL:00125 values listed for
> whatever the number of rows is.
>
> It's not limited to this input data so I don't believe that it is
> data-dependent at this point.
>
> This just started happening a number of weeks ago.? I've done some
> updates of the OS and apps since then and re-installed R from the Mac
> *.dmg distro.
>
> I have provided details below and my main questions are 1) has anyone
> else seen this (I can't find any reports of it) and 2) how might I
> debug this?
>
> Thank you.
>
> ================ Input data sample (first few records from a flat
> ASCII csv file) ===============>
> DAUCO,Longitude,Latitude,Precipitation,Year,Month
> 00125,-121.416666667,41.9583333334,63.1469993591,1895,1
> 00125,-121.375,41.9583333334,63.6969985962,1895,1
> 00125,-121.333333333,41.9583333334,65.7460021973,1895,1
> 00125,-121.291666667,41.9583333334,69.4150009155,1895,1
> 00125,-121.25,41.9583333334,74.0780029297,1895,1
>
> ================ R commands and output
> ============================================> PRISM??????? =
read.table(PRISM_INPUT,header=TRUE, sep=',',
>
colClasses=c('character','numeric','numeric','numeric','numeric','numeric'))
>
>
> > summary(PRISM)
> ? DAUCO???????? Longitude???????? Latitude Precipitation Year?????????
> Month
> ?NULL:00125?? Min.?? :-121.4?? Min.?? :41.54?? Min.?? :? 0.00 Min.??
> :1895?? Min.?? : 1.000
> ?NULL:00125?? 1st Qu.:-121.2?? 1st Qu.:41.71?? 1st Qu.: 10.65 1st
> Qu.:1926?? 1st Qu.: 3.000
> ?NULL:00125?? Median :-121.0?? Median :41.79?? Median : 24.41 Median
> :1957?? Median : 6.000
> ?NULL:00125?? Mean?? :-121.0?? Mean?? :41.79?? Mean?? : 31.09 Mean??
> :1957?? Mean?? : 6.488
> ?NULL:00125?? 3rd Qu.:-120.9?? 3rd Qu.:41.88?? 3rd Qu.: 43.73 3rd
> Qu.:1989?? 3rd Qu.: 9.000
> ?NULL:00125?? Max.?? :-120.6?? Max.?? :41.96?? Max.?? :265.08 Max.??
> :2020?? Max.?? :12.000
> ?NULL:00125
> ?NULL:00125
>
> > 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")
> >
> > 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
>
>
>
>
--
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