dsparks

doInstall <- TRUE  # Change to FALSE if you don't want packages installed.
toInstall <- c("sna", "ggplot2", "Hmisc", "reshape2")
if(doInstall){install.packages(toInstall, repos = "http://cran.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

# Empty ggplot2 theme
new_theme_empty <- theme_bw()
new_theme_empty$line <- element_blank()
new_theme_empty$rect <- element_blank()
new_theme_empty$strip.text <- element_blank()

dsparks

doInstall <- TRUE
toInstall <- c("twitteR", "dismo", "maps", "ggplot2")
if(doInstall){install.packages(toInstall, repos = "http://cran.us.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

searchTerm <- "#rstats"
searchResults <- searchTwitter(searchTerm, n = 1000)  # Gather Tweets 
tweetFrame <- twListToDF(searchResults)  # Convert to a nice dF

userInfo <- lookupUsers(tweetFrame$screenName)  # Batch lookup of user info

dsparks

doInstall <- TRUE
toInstall <- c("sna", "igraph")
if(doInstall){install.packages(toInstall, repos = "http://cran.us.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

adjacencyList <- read.csv("https://dl.dropbox.com/s/8wabcrtqxysp03u/Twitter_network.R.csv?dl=1")
head(adjacencyList)

adjacencyMatrix <- table(adjacencyList)
as.matrix(sort(rowSums(adjacencyMatrix)))  # Out-degree

dsparks

doInstall <- TRUE  # Change to FALSE if you don't want packages installed.
toInstall <- c("plyr", "ggplot2")
if(doInstall){install.packages(toInstall, repos = "http://cran.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

ANES <- read.csv("http://www.oberlin.edu/faculty/cdesante/assets/downloads/ANES.csv")
head(ANES)
ANES$PID3 <- factor(ANES$pid7)  # Convert to three-level Party ID:
levels(ANES$PID3) <- c("Dem", "Dem", "Dem", "Ind", "Rep", "Rep", "Rep")

dsparks

rm(list = ls())
doInstall <- TRUE  # Change to FALSE if you don't want packages installed.
toInstall <- c("zoo", "tm", "ggplot2", "lme4", "arm", "Snowball")
if(doInstall){install.packages(toInstall, repos = "http://cran.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

# From: http://www.cnn.com/2012/10/03/politics/debate-transcript/index.html
Transcript <- readLines("https://raw.github.com/dsparks/Test_image/master/Denver_Debate_Transcript.txt")
head(Transcript, 20)

dsparks

rm(list = ls())
doInstall <- TRUE  # Change to FALSE if you don't want packages installed.
toInstall <- c("zoo", "tm", "ggplot2", "Snowball")
if(doInstall){install.packages(toInstall, repos = "http://cran.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

# From: http://www.cnn.com/2012/10/03/politics/debate-transcript/index.html
Transcript <- readLines("https://raw.github.com/dsparks/Test_image/master/Denver_Debate_Transcript.txt")
head(Transcript, 20)

dsparks

# Drawing a scatter plot of raster images
doInstall <- TRUE  # Change to FALSE if you don't want packages installed.
toInstall <- c("png", "sna")
if(doInstall){install.packages(toInstall, repos = "http://cran.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

# Go to https://www.gosquared.com/resources/2400-flags, download the ZIP,
# and put the 64 x 64 files into a directory of your choosing.
# Then setwd() to that directory:
setwd("C:/Dropbox/isDotR_Files/flagIcons")

dsparks

doInstall <- TRUE
toInstall <- c("ggplot2", "cluster", "MASS", "smacof")
if(doInstall){install.packages(toInstall, repos = "http://cran.us.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

# Generate a matrix of dissimilarities from pairwise correlations
data(breakfast)  # Preference orderings of breakfast items, from smacof
corrMat <- cor(breakfast, use = "pair")
distMat <- dist(corrMat)

dsparks

library(ggplot2)

new_theme_empty <- theme_bw()
new_theme_empty$line <- element_blank()
new_theme_empty$rect <- element_blank()
new_theme_empty$strip.text <- element_blank()
new_theme_empty$axis.text <- element_blank()
#new_theme_empty$plot.title <- element_blank()
new_theme_empty$axis.title <- element_blank()
new_theme_empty$plot.margin <- structure(c(0, 0, -1, -1), unit = "lines", valid.unit = 3L, class = "unit")

dsparks

doInstall <- TRUE
toInstall <- c("ggplot2", "smacof")
if(doInstall){install.packages(toInstall, repos = "http://cran.us.r-project.org")}
lapply(toInstall, library, character.only = TRUE)

ANES <- read.csv("https://raw.github.com/dsparks/Test_image/master/2008%20ANES%20Thermometers.csv")
head(ANES)

# Multidimensional scaling of a rectangular thermometer rating matrix
thermometerFrame <- ANES[, -c(1:2)]