This report is automatically generated with the R package knitr (version 1.5) .

# Chapter 11 - Getting Help Finding Information in the R Help Files When you know exactly
# what you’re looking for
`?`(date)
## When you don’t know exactly what you’re looking for
`?`(`?`(date))
# Searching the Web for Help with R
RSiteSearch("cluster analysis")
## A search query has been submitted to http://search.r-project.org
## The results page should open in your browser shortly
install.packages("sos")
## Installing package into 'C:/Users/Andrie/Documents/R/win-library/3.0'
## (as 'lib' is unspecified)
## Warning in install.packages :
##   package 'sos' is in use and will not be installed
library("sos")
findFn("cluster")
## found 4392 matches;  retrieving 20 pages, 400 matches.
## 2 3 4 5 6 7 8 9 10 
## 11 12 13 14 15 16 17 18 19 20 
## 
## Downloaded 354 links in 170 packages.
# Getting Involved in the R Community Using the R mailing lists Discussing R on Stack
# Overflow and Stack Exchange Tweeting about R Making a Minimal Reproducible Example
dput(cars[1:4, ])
## structure(list(speed = c(4, 4, 7, 7), dist = c(2, 10, 4, 22)), .Names = c("speed", 
## "dist"), row.names = c(NA, 4L), class = "data.frame")
## Creating sample data with random values
set.seed(1)
x <- rnorm(5)
x
## [1] -0.6265  0.1836 -0.8356  1.5953  0.3295
cards <- c(1:9, "J", "Q", "K", "A")
suits <- c("Spades", "Diamonds", "Hearts", "Clubs")
deck <- paste(rep(suits, each = 13), cards)
set.seed(123)
sample(deck, 7)
## [1] "Diamonds 2" "Clubs 2"    "Diamonds 8" "Clubs 5"    "Clubs 7"    "Spades 3"  
## [7] "Diamonds K"
set.seed(5)
sample(LETTERS[1:3], 12, replace = TRUE)
##  [1] "A" "C" "C" "A" "A" "C" "B" "C" "C" "A" "A" "B"
set.seed(42)
dat <- data.frame(x = sample(1:5), y = sample(c("yes", "no"), 5, replace = TRUE))
dat
##   x   y
## 1 5  no
## 2 4  no
## 3 1 yes
## 4 2  no
## 5 3  no
dput(cars[1:4, ])
## structure(list(speed = c(4, 4, 7, 7), dist = c(2, 10, 4, 22)), .Names = c("speed", 
## "dist"), row.names = c(NA, 4L), class = "data.frame")
## Producing minimal code Providing the necessary information
sessionInfo()
## R version 3.0.2 (2013-09-25)
## Platform: x86_64-w64-mingw32/x64 (64-bit)
## 
## locale:
## [1] LC_COLLATE=English_United Kingdom.1252  LC_CTYPE=English_United Kingdom.1252   
## [3] LC_MONETARY=English_United Kingdom.1252 LC_NUMERIC=C                           
## [5] LC_TIME=English_United Kingdom.1252    
## 
## attached base packages:
## [1] stats     graphics  grDevices utils     datasets  methods   base     
## 
## other attached packages:
##  [1] BiocInstaller_1.12.1 ggplot2_0.9.3.1      reshape2_1.2.2       sos_1.3-8           
##  [5] brew_1.0-6           stringr_0.6.2        knitr_1.5            plyr_1.8            
##  [9] Revobase_7.1.0       RevoMods_7.1.0       RevoScaleR_7.1.0     lattice_0.20-27     
## [13] rpart_4.1-2         
## 
## loaded via a namespace (and not attached):
##  [1] codetools_0.2-8    colorspace_1.2-4   dichromat_2.0-0    digest_0.6.4      
##  [5] evaluate_0.5.1     foreach_1.4.1      formatR_0.10       fortunes_1.5-2    
##  [9] grid_3.0.2         gtable_0.1.2       highr_0.3          iterators_1.0.6   
## [13] labeling_0.2       MASS_7.3-29        munsell_0.4.2      proto_0.3-10      
## [17] RColorBrewer_1.0-5 scales_0.2.3       tools_3.0.2

The R session information (including the OS info, R version and all packages used):

sessionInfo()
## R version 3.0.2 (2013-09-25)
## Platform: x86_64-w64-mingw32/x64 (64-bit)
## 
## locale:
## [1] LC_COLLATE=English_United Kingdom.1252  LC_CTYPE=English_United Kingdom.1252   
## [3] LC_MONETARY=English_United Kingdom.1252 LC_NUMERIC=C                           
## [5] LC_TIME=English_United Kingdom.1252    
## 
## attached base packages:
## [1] stats     graphics  grDevices utils     datasets  methods   base     
## 
## other attached packages:
##  [1] BiocInstaller_1.12.1 ggplot2_0.9.3.1      reshape2_1.2.2       sos_1.3-8           
##  [5] brew_1.0-6           stringr_0.6.2        knitr_1.5            plyr_1.8            
##  [9] Revobase_7.1.0       RevoMods_7.1.0       RevoScaleR_7.1.0     lattice_0.20-27     
## [13] rpart_4.1-2         
## 
## loaded via a namespace (and not attached):
##  [1] codetools_0.2-8    colorspace_1.2-4   dichromat_2.0-0    digest_0.6.4      
##  [5] evaluate_0.5.1     foreach_1.4.1      formatR_0.10       fortunes_1.5-2    
##  [9] grid_3.0.2         gtable_0.1.2       highr_0.3          iterators_1.0.6   
## [13] labeling_0.2       MASS_7.3-29        munsell_0.4.2      proto_0.3-10      
## [17] RColorBrewer_1.0-5 scales_0.2.3       tools_3.0.2
Sys.time()
## [1] "2014-05-13 15:06:04 BST"