Thnaks Jeff.
Below is the session info you requested.
R version 3.4.3 (2017-11-30)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)
Matrix products: default
locale:
[1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
[5] LC_TIME=English_United States.1252    
attached base packages:
[1] grid      stats     graphics  grDevices utils     datasets  methods   base
other attached packages:
 [1] reshape_0.8.7       Formula_1.2-2       survival_2.41-3     lattice_0.20-35
 [5] versions_0.3        VIM_4.7.0           data.table_1.10.4-3
colorspace_1.3-2
 [9] nnet_7.3-12         rpart_4.1-11        fBasics_3042.89    
timeSeries_3042.102
[13] timeDate_3042.101   fpc_2.1-11          rattle_5.1.0       
loaded via a namespace (and not attached):
 [1] nlme_3.1-131        pbkrtest_0.4-7      RColorBrewer_1.1-2  prabclus_2.2-6
 [5] tools_3.4.3         lazyeval_0.2.1      mgcv_1.8-22        
trimcluster_0.1-2
 [9] sp_1.2-6            compiler_3.4.3      quantreg_5.34       SparseM_1.77
[13] diptest_0.75-7      scales_0.5.0        lmtest_0.9-35       DEoptimR_1.0-8
[17] mvtnorm_1.0-6       robustbase_0.92-8   randomForest_4.6-12 spatial_7.3-11
[21] stringr_1.2.0       minqa_1.2.4         lme4_1.1-15         rlang_0.1.6
[25] zoo_1.8-1           mclust_5.4          car_2.1-6           magrittr_1.5
[29] modeltools_0.2-21   Matrix_1.2-12       Rcpp_0.12.14        munsell_0.4.3
[33] stringi_1.1.6       yaml_2.1.16         MASS_7.3-47         flexmix_2.3-14
[37] plyr_1.8.4          parallel_3.4.3      splines_3.4.3       boot_1.3-20
[41] stats4_3.4.3        XML_3.98-1.9        rpart.plot_2.1.2    laeken_0.4.6
[45] vcd_1.4-4           nloptr_1.0.4        MatrixModels_0.4-1  gtable_0.2.0
[49] kernlab_0.9-25      amap_0.8-14         e1071_1.6-8         class_7.3-14
[53] cluster_2.0.6       RGtk2_2.20.33       
    On Wednesday, January 17, 2018, 11:34:17 PM PST, Jeff Newmiller <jdnewmil
at dcn.davis.ca.us> wrote:
 
 Please post using plain text... the mailing list will strip HTML anyway and
mess up what you send.
Send the output of sessionInfo() so we know what versions of R and packages you
have.
-- 
Sent from my phone. Please excuse my brevity.
On January 17, 2018 4:37:06 PM PST, shijin mathew via R-help <r-help at
r-project.org> wrote:>Getting the following error while loading ggplot2.
>
>> library(ggplot2)
>Error: package or namespace load failed for ?ggplot2? in
>loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
> object 'vI' not found
>Tried different version of R and ggplot2 but still doesnt work.
>Any help to resolve is appreciated. Appreciate any pointers.
>-S
>
>??? [[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]]