Jisoosong2017

#Activate appropriate packages.
library(readr)
library(tidyr)
library(dplyr)
library(ggplot2)
library(RColorBrewer)
library(maptools)
library(gtools)
library(ggmap)

Jisoosong2017

#LAb 1, Ji Soo Song

#Enable the dplyr package. 
library(dplyr)

#Define a vector with 10 authors' last names.
authorLastName<-c('Kim','Andrews','McDonald','Johnson','Bryant','Stein','Rodriguez','Li','Ali','Watson')
#Define a vector with one book written by each author.
title<-c('Lost Men','Of Cites and States','Gone','International Comparisons','Why?','Dunkirk','Soar','Wings of Liberty','Abacus','Lilac')
#Define a vector with the publication years of the above books.