The running environment for generating this tutorial:

sessionInfo()
## R version 3.6.2 (2019-12-12)
## Platform: x86_64-pc-linux-gnu (64-bit)
## Running under: CentOS Linux 7 (Core)
## 
## Matrix products: default
## BLAS:   /cm/shared/apps_chop/R/3.6.2/lib64/R/lib/libRblas.so
## LAPACK: /cm/shared/apps_chop/R/3.6.2/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=en_US.UTF-8          
##  [9] LC_ADDRESS=en_US.UTF-8        LC_TELEPHONE=en_US.UTF-8     
## [11] LC_MEASUREMENT=en_US.UTF-8    LC_IDENTIFICATION=en_US.UTF-8
## 
## attached base packages:
##  [1] grid      splines   compiler  parallel  stats4    stats     graphics  grDevices
##  [9] utils     datasets  methods   base     
## 
## other attached packages:
##  [1] cicero_1.4.0                Gviz_1.28.3                
##  [3] monocle_2.14.0              DDRTree_0.1.5              
##  [5] irlba_2.3.3                 VGAM_1.1-2                 
##  [7] Matrix_1.2-18               kableExtra_1.1.0           
##  [9] xlsx_0.6.2                  mclust_5.4.5               
## [11] edgeR_3.26.8                limma_3.42.2               
## [13] readr_1.3.1                 SummarizedExperiment_1.16.1
## [15] DelayedArray_0.12.2         BiocParallel_1.20.1        
## [17] matrixStats_0.55.0          Biobase_2.46.0             
## [19] GenomicRanges_1.38.0        GenomeInfoDb_1.22.0        
## [21] IRanges_2.20.2              S4Vectors_0.24.4           
## [23] BiocGenerics_0.32.0         motifmatchr_1.8.0          
## [25] chromVAR_1.8.0              pheatmap_1.0.12            
## [27] viridis_0.5.1               viridisLite_0.3.0          
## [29] RColorBrewer_1.1-2          Seurat_3.1.5               
## [31] ggplot2_3.2.1               magrittr_1.5               
## [33] data.table_1.12.8          
## 
## loaded via a namespace (and not attached):
##   [1] rappdirs_0.3.1              rtracklayer_1.44.4         
##   [3] R.methodsS3_1.8.0           tidyr_1.0.2                
##   [5] acepack_1.4.1               bit64_0.9-7                
##   [7] knitr_1.28                  R.utils_2.9.2              
##   [9] rpart_4.1-15                AnnotationFilter_1.8.0     
##  [11] KEGGREST_1.26.1             TFBSTools_1.24.0           
##  [13] RCurl_1.98-1.1              GenomicFeatures_1.36.4     
##  [15] callr_3.4.2                 cowplot_1.0.0              
##  [17] usethis_1.5.1               RSQLite_2.2.0              
##  [19] RANN_2.6.1                  combinat_0.0-8             
##  [21] future_1.16.0               bit_1.1-15.2               
##  [23] webshot_0.5.2               xml2_1.2.2                 
##  [25] httpuv_1.5.2                assertthat_0.2.1           
##  [27] DirichletMultinomial_1.28.0 xfun_0.12                  
##  [29] hms_0.5.2                   rJava_0.9-11               
##  [31] evaluate_0.14               promises_1.1.0             
##  [33] fansi_0.4.1                 progress_1.2.2             
##  [35] caTools_1.18.0              igraph_1.2.4.2             
##  [37] DBI_1.1.0                   htmlwidgets_1.5.1          
##  [39] sparsesvd_0.2               purrr_0.3.3                
##  [41] RSpectra_0.16-0             dplyr_0.8.4                
##  [43] backports_1.1.5             annotate_1.64.0            
##  [45] RcppParallel_4.4.4          biomaRt_2.40.5             
##  [47] vctrs_0.2.2                 ensembldb_2.8.1            
##  [49] remotes_2.1.1               ROCR_1.0-7                 
##  [51] withr_2.1.2                 packrat_0.5.0              
##  [53] BSgenome_1.54.0             checkmate_1.9.4            
##  [55] sctransform_0.2.1           GenomicAlignments_1.22.1   
##  [57] prettyunits_1.1.1           cluster_2.1.0              
##  [59] ape_5.3                     lazyeval_0.2.2             
##  [61] seqLogo_1.52.0              crayon_1.3.4               
##  [63] pkgconfig_2.0.3             slam_0.1-46                
##  [65] labeling_0.3                ProtGenerics_1.16.0        
##  [67] nlme_3.1-143                pkgload_1.0.2              
##  [69] nnet_7.3-12                 devtools_2.1.0             
##  [71] rlang_0.4.4                 globals_0.12.5             
##  [73] lifecycle_0.1.0             miniUI_0.1.1.1             
##  [75] rsvd_1.0.3                  dichromat_2.0-0            
##  [77] rprojroot_1.3-2             lmtest_0.9-37              
##  [79] zoo_1.8-7                   base64enc_0.1-3            
##  [81] ggridges_0.5.2              processx_3.4.2             
##  [83] png_0.1-7                   bitops_1.0-6               
##  [85] R.oo_1.23.0                 KernSmooth_2.23-16         
##  [87] Biostrings_2.54.0           blob_1.2.1                 
##  [89] stringr_1.4.0               CNEr_1.22.0                
##  [91] scales_1.1.0                memoise_1.1.0              
##  [93] plyr_1.8.5                  ica_1.0-2                  
##  [95] gplots_3.0.1.2              gdata_2.18.0               
##  [97] zlibbioc_1.32.0             HSMMSingleCell_1.4.0       
##  [99] lsei_1.2-0                  fitdistrplus_1.0-14        
## [101] Rsamtools_2.0.3             cli_2.0.1                  
## [103] XVector_0.26.0              listenv_0.8.0              
## [105] patchwork_1.0.0             pbapply_1.4-2              
## [107] ps_1.3.2                    htmlTable_1.13.1           
## [109] Formula_1.2-3               MASS_7.3-51.5              
## [111] tidyselect_1.0.0            stringi_1.4.6              
## [113] highr_0.8                   densityClust_0.3           
## [115] yaml_2.2.1                  locfit_1.5-9.1             
## [117] latticeExtra_0.6-28         ggrepel_0.8.1              
## [119] VariantAnnotation_1.30.1    tools_3.6.2                
## [121] future.apply_1.4.0          rstudioapi_0.11            
## [123] TFMPvalue_0.0.8             foreign_0.8-74             
## [125] gridExtra_2.3               farver_2.0.3               
## [127] Rtsne_0.15                  digest_0.6.24              
## [129] FNN_1.1.3                   shiny_1.4.0                
## [131] qlcMatrix_0.9.7             Rcpp_1.0.3                 
## [133] later_1.0.0                 RcppAnnoy_0.0.14           
## [135] httr_1.4.1                  AnnotationDbi_1.48.0       
## [137] biovizBase_1.32.0           npsurv_0.4-0               
## [139] colorspace_1.4-1            rvest_0.3.5                
## [141] XML_3.99-0.3                fs_1.3.1                   
## [143] reticulate_1.14             uwot_0.1.5                 
## [145] xlsxjars_0.6.1              plotly_4.9.2               
## [147] sessioninfo_1.1.1           xtable_1.8-4               
## [149] jsonlite_1.6.1              poweRlaw_0.70.2            
## [151] testthat_2.2.1              R6_2.4.1                   
## [153] Hmisc_4.2-0                 pillar_1.4.2               
## [155] htmltools_0.4.0             mime_0.9                   
## [157] glue_1.3.1                  fastmap_1.0.1              
## [159] DT_0.9                      codetools_0.2-16           
## [161] pkgbuild_1.0.5              tsne_0.1-3                 
## [163] lattice_0.20-38             tibble_2.1.3               
## [165] curl_4.3                    leiden_0.3.3               
## [167] gtools_3.8.1                GO.db_3.10.0               
## [169] survival_3.1-8              rmarkdown_2.1              
## [171] docopt_0.6.1                desc_1.2.0                 
## [173] fastICA_1.2-2               munsell_0.5.0              
## [175] GenomeInfoDbData_1.2.2      reshape2_1.4.3             
## [177] gtable_0.3.0