01 CRAN packages

CRAN stands for Comprehensive R Archive Network.

View list of installed packages using either of the following commands

> library()

> rownames(installed.packages())

View list of loaded packages in the session

> search()

Install package using

> install.packages("caTools")

Load the package to the session, either of the following 2 commands work

> library(caTools)

> require(caTools)

Unload a package from R session

> detach("package:caTools", unload = TRUE)

Help document for a package

> library(help = "caTools")

View the list of examples of code for a specific package

> browseVignettes(package = "grid")

View examples of code for the currently installed packages

> browseVignettes()

Update packages

> update.packages("caTools")

Remove/uninstall a package from R

> remove.packages("caTools")

Install popular r packages

> install.packages(c("ggplot2", "car", "caret", "dplyr", "caTools", "devtools", "knitr", "doParallel", "GGally", "Hmisc", "MASS", "sqldf", "psych", "ROCR", "rpart", "rpart.plot", "randomForest", "Metrics", "e1071", "reshape2", "xgboost"))

View information about an environment.

> sessionInfo()

R version 3.4.2 (2017-09-28)

Platform: x86_64-apple-darwin15.6.0 (64-bit)

Running under: OS X El Capitan 10.11.6

Matrix products: default

BLAS: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib

LAPACK: /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libRlapack.dylib


[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] ROCR_1.0-7 gplots_3.0.1

loaded via a namespace (and not attached):

[1] gtools_3.5.0 kernlab_0.9-25 reshape2_1.4.2 purrr_0.2.3 splines_3.4.2 lattice_0.20-35

[7] colorspace_1.3-2 stats4_3.4.2 survival_2.41-3 prodlim_1.6.1 rlang_0.1.2 ModelMetrics_1.1.0

[13] glue_1.1.1 withr_2.0.0 xgboost_0.6-4 bindrcpp_0.2 foreach_1.4.3 bindr_0.1

[19] plyr_1.8.4 dimRed_0.1.0 lava_1.5.1 robustbase_0.92-7 stringr_1.2.0 timeDate_3012.100

[25] munsell_0.4.3 gtable_0.2.0 recipes_0.1.0 caTools_1.17.1 codetools_0.2-15 caret_6.0-77

[31] class_7.3-14 DEoptimR_1.0-8 Rcpp_0.12.13 KernSmooth_2.23-15 scales_0.5.0 gdata_2.18.0

[37] ipred_0.9-6 CVST_0.2-1 ggplot2_2.2.1 stringi_1.1.5 dplyr_0.7.4 RcppRoll_0.2.2

[43] ddalpha_1.3.1 grid_3.4.2 tools_3.4.2 bitops_1.0-6 magrittr_1.5 lazyeval_0.2.0

[49] tibble_1.3.4 DRR_0.0.2 pkgconfig_2.0.1 MASS_7.3-47 Matrix_1.2-11 data.table_1.10.4-2

[55] lubridate_1.6.0 gower_0.1.2 assertthat_0.2.0 iterators_1.0.8 R6_2.2.2 rpart_4.1-11

[61] sfsmisc_1.1-1 nnet_7.3-12 nlme_3.1-131 compiler_3.4.2