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# ----- Introduction to R: Getting Started ----- #

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# INSTRUCTOR: Chris Fariss 

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# Copyright (c) 2012, under the Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License.

# For more information see: http://creativecommons.org/licenses/by-nc-sa/3.0/us/

# All rights reserved. 

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# ----- install R ----- #

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# download R here: cran.r-project.org/

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# open the .R file using any text or source code editor such as:

# TextEdit, emacs, Aquamacs, notepad++ , or Xpad

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# set the working directory to the folder containing the data files 

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# the set working directory command in R is setwd()

# type ?setwd for help documentation 

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# to set the path type into R: 

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# setwd("PATH_NAME")

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# where PATH_NAME is the path to the folder with the data

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# ----- install packages ----- #

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install.packages("foreign")

install.packages("MASS")

install.packages("igraph")

install.packages("sna")

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# ----- load packages ----- #

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library(foreign)

library(graph)

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# ----- load data ----- #

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data <- read.csv("http://polisci2.ucsd.edu/cfariss/code/macro.csv")

# note that you can also download the data and load it from your working directory (you need to "un-comment" the line below for it to function)

#data <- read.csv("macro.csv")

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# ----- end file ----- #

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