Find out all preinstalled R packages ( a list)
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 > library()

Packages in library  C:/Users/yany/Documents/R/win-library/3.3 :

animation               A Gallery of Animations in Statistics and
                        Utilities to Create Animations
assertthat              Easy pre and post assertions.
base64enc               Tools for base64 encoding
BB                      Solving and Optimizing Large-Scale Nonlinear
                        Systems
BH                      Boost C++ Header Files
bindr                   Parametrized Active Bindings
bindrcpp                An 'Rcpp' Interface to Active Bindings
bitops                  Bitwise Operations
BLCOP                   Black-Litterman and Copula Opinion Pooling
                        Frameworks
cairoDevice             Embeddable Cairo Graphics Device Driver
colorspace              Color Space Manipulation
cowplot                 Streamlined Plot Theme and Plot Annotations for
                        'ggplot2'
cubature                Adaptive Multivariate Integration over
                        Hypercubes
curl                    A Modern and Flexible Web Client for R
data.table              Extension of `data.frame`
DBI                     R Database Interface
deldir                  Delaunay Triangulation and Dirichlet (Voronoi)
                        Tessellation
DEoptimR                Differential Evolution Optimization in Pure R
dfoptim                 Derivative-Free Optimization
dichromat               Color Schemes for Dichromats
digest                  Create Compact Hash Digests of R Objects
dplyr                   A Grammar of Data Manipulation
ecodist                 Dissimilarity-based functions for ecological
                        analysis
energy                  E-Statistics: Multivariate Inference via the
                        Energy of Data
evaluate                Parsing and Evaluation Tools that Provide More
                        Details than the Default
excel.link              Convenient Data Exchange with Microsoft Excel
fAssets                 Rmetrics - Analysing and Modelling Financial
                        Assets
fBasics                 Rmetrics - Markets and Basic Statistics
fCopulae                Rmetrics - Bivariate Dependence Structures with
                        Copulae
fMultivar               Rmetrics - Analysing and Modeling Multivariate
                        Financial Return Distributions
fOptions                Rmetrics - Pricing and Evaluating Basic Options
foreach                 Provides Foreach Looping Construct for R
fPortfolio              Rmetrics - Portfolio Selection and Optimization
ggforce                 Accelerating 'ggplot2'
ggplot2                 Create Elegant Data Visualisations Using the
                        Grammar of Graphics
ggpubr                  'ggplot2' Based Publication Ready Plots
ggrepel                 Repulsive Text and Label Geoms for 'ggplot2'
ggsci                   Scientific Journal and Sci-Fi Themed Color
                        Palettes for 'ggplot2'
ggsignif                Significance Brackets for 'ggplot2'
glue                    Interpreted String Literals
gridExtra               Miscellaneous Functions for "Grid" Graphics
gss                     General Smoothing Splines
gtable                  Arrange 'Grobs' in Tables
hexbin                  Hexagonal Binning Routines
highr                   Syntax Highlighting for R Source Code
htmltools               Tools for HTML
htmlwidgets             HTML Widgets for R
httpuv                  HTTP and WebSocket Server Library
httr                    Tools for Working with URLs and HTTP
IBrokers                R API to Interactive Brokers Trader Workstation
iterators               Provides Iterator Construct for R
jsonlite                A Robust, High Performance JSON Parser and
                        Generator for R
kernlab                 Kernel-Based Machine Learning Lab
knitr                   A General-Purpose Package for Dynamic Report
                        Generation in R
labeling                Axis Labeling
lazyeval                Lazy (Non-Standard) Evaluation
magrittr                A Forward-Pipe Operator for R
markdown                'Markdown' Rendering for R
mime                    Map Filenames to MIME Types
minqa                   Derivative-free optimization algorithms by
                        quadratic approximation
mnormt                  The Multivariate Normal and t Distributions
munsell                 Utilities for Using Munsell Colours
mvnormtest              Normality test for multivariate variables
mvtnorm                 Multivariate Normal and t Distributions
NLP                     Natural Language Processing Infrastructure
numDeriv                Accurate Numerical Derivatives
openssl                 Toolkit for Encryption, Signatures and
                        Certificates Based on OpenSSL
optextras               Tools to Support Optimization Possibly with
                        Bounds and Masks
optimx                  A Replacement and Extension of the optim()
                        Function
PerformanceAnalytics    Econometric tools for performance and risk
                        analysis
pkgconfig               Private Configuration for 'R' Packages
plogr                   The 'plog' C++ Logging Library
plotly                  Create Interactive Web Graphics via 'plotly.js'
plyr                    Tools for Splitting, Applying and Combining
                        Data
png                     Read and write PNG images
PortfolioAnalytics      Portfolio Analysis, Including Numerical Methods
                        for Optimization of Portfolios
purrr                   Functional Programming Tools
qrcode                  QRcode Generator for R
quadprog                Functions to solve Quadratic Programming
                        Problems.
quantmod                Quantitative Financial Modelling Framework
R.methodsS3             S3 Methods Simplified
R.oo                    R Object-Oriented Programming with or without
                        References
R.utils                 Various Programming Utilities
R6                      Classes with Reference Semantics
rattle                  Graphical User Interface for Data Science in R
Rcgmin                  Conjugate Gradient Minimization of Nonlinear
                        Functions
RColorBrewer            ColorBrewer Palettes
Rcpp                    Seamless R and C++ Integration
RCurl                   General Network (HTTP/FTP/...) Client Interface
                        for R
reshape2                Flexibly Reshape Data: A Reboot of the Reshape
                        Package
rgl                     3D Visualization Using OpenGL
Rglpk                   R/GNU Linear Programming Kit Interface
RGtk2                   R bindings for Gtk 2.8.0 and above
RGtk2Extras             Data frame editor and dialog making wrapper for
                        RGtk2
rJava                   Low-Level R to Java Interface
rlang                   Functions for Base Types and Core R and
                        'Tidyverse' Features
rneos                   XML-RPC Interface to NEOS
robustbase              Basic Robust Statistics
rpart.plot              Plot 'rpart' Models: An Enhanced Version of
                        'plot.rpart'
Rsolnp                  General Non-Linear Optimization
Rsymphony               SYMPHONY in R
RUnit                   R Unit Test Framework
Rvmmin                  Variable Metric Nonlinear Function Minimization
scales                  Scale Functions for Visualization
setRNG                  Set (Normal) Random Number Generator and Seed
shiny                   Web Application Framework for R
slam                    Sparse Lightweight Arrays and Matrices
sn                      The Skew-Normal and Related Distributions, such
                        as the Skew-t
sourcetools             Tools for Reading, Tokenizing and Parsing R
                        Code
stabledist              Stable Distribution Functions
stringi                 Character String Processing Facilities
stringr                 Simple, Consistent Wrappers for Common String
                        Operations
svUnit                  SciViews GUI API - Unit testing
tibble                  Simple Data Frames
tidyr                   Easily Tidy Data with 'spread()' and 'gather()'
                        Functions
timeDate                Rmetrics - Chronological and Calendar Objects
timeSeries              Rmetrics - Financial Time Series Objects
tm                      Text Mining Package
truncnorm               Truncated normal distribution
TTR                     Technical Trading Rules
tweenr                  Interpolate Data for Smooth Animations
ucminf                  General-Purpose Unconstrained Non-Linear
                        Optimization
udunits2                Udunits-2 Bindings for R
units                   Measurement Units for R Vectors
viridisLite             Default Color Maps from 'matplotlib' (Lite
                        Version)
wordcloud               Word Clouds
WriteXLS                Cross-Platform Perl Based R Function to Create
                        Excel 2003 (XLS) and Excel 2007 (XLSX) Files
XLConnect               Excel Connector for R
XLConnectJars           JAR Dependencies for the XLConnect Package
XML                     Tools for Parsing and Generating XML Within R
                        and S-Plus
xtable                  Export Tables to LaTeX or HTML
xts                     eXtensible Time Series
yaml                    Methods to Convert R Data to YAML and Back
zoo                     S3 Infrastructure for Regular and Irregular
                        Time Series (Z's Ordered Observations)

Packages in library  C:/Program Files/R/R-3.3.3/library :

base                    The R Base Package
boot                    Bootstrap Functions (Originally by Angelo Canty
                        for S)
class                   Functions for Classification
cluster                 "Finding Groups in Data": Cluster Analysis
                        Extended Rousseeuw et al.
codetools               Code Analysis Tools for R
compiler                The R Compiler Package
datasets                The R Datasets Package
foreign                 Read Data Stored by Minitab, S, SAS, SPSS,
                        Stata, Systat, Weka, dBase, ...
graphics                The R Graphics Package
grDevices               The R Graphics Devices and Support for Colours
                        and Fonts
grid                    The Grid Graphics Package
KernSmooth              Functions for Kernel Smoothing Supporting Wand
                        & Jones (1995)

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