> remotes::install_github("ievaKer/aPEAR")
...
Enter one or more numbers, or an empty line to skip updates:
✔  checking for file ‘/tmp/RtmpY5mUhM/remotes6f3430880478/kerseviciute-aPEAR-4eb4aec/DESCRIPTION’ (753ms)
─  preparing ‘aPEAR’:
✔  checking DESCRIPTION meta-information ...
─  checking for LF line-endings in source and make files and shell scripts
─  checking for empty or unneeded directories
─  building ‘aPEAR_1.0.tar.gz’

* installing *source* package ‘aPEAR’ ...
** using staged installation
** R
Error in parse(outFile) :
  /tmp/RtmpzmQRpb/R.INSTALLb7a68cab925/aPEAR/R/networkPlot.R:268:33: unexpected input
267:   edges %>%
268:     .[ , xStart := lapply(from, \
                                     ^
ERROR: unable to collate and parse R files for package ‘aPEAR’
* removing ‘/home/shenweiyan/SoftWare/R/R-4.0.3/lib64/R/library/aPEAR’
Error: Failed to install 'aPEAR' from GitHub:
  (converted from warning) installation of package ‘/tmp/RtmpY5mUhM/file6f341efc7c1b/aPEAR_1.0.tar.gz’ had non-zero exit status
> sessionInfo()
R version 4.0.3 (2020-10-10)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Red Hat Enterprise Linux Server release 6.5 (Santiago)

Matrix products: default
BLAS:   /home/shenweiyan/SoftWare/R/R-4.0.3/lib64/R/lib/libRblas.so
LAPACK: /home/shenweiyan/SoftWare/R/R-4.0.3/lib64/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

other attached packages:
[1] remotes_2.2.0

loaded via a namespace (and not attached):
 [1] processx_3.5.1    compiler_4.0.3    R6_2.5.0          rprojroot_2.0.2
 [5] cli_3.6.2         prettyunits_1.1.1 tools_4.0.3       withr_2.5.2
 [9] curl_5.2.1        crayon_1.3.4      callr_3.6.0       pkgbuild_1.1.0
[13] ps_1.4.0
>