## ---- eval = FALSE-------------------------------------------------------
# # install the package without the vignette
# devtools::install_github("KateHyoung/UTDEventData")
#
# # install the package with the vignette
# devtools::install_github("KateHyoung/UTDEventData", build_vignettes=TRUE)
## ---- eval = FALSE-------------------------------------------------------
# # to cite the package
# citation("UTDEventData")
#
# # to cite a data table
# citeData(table_name = "Data table name")
## ----eval = FALSE--------------------------------------------------------
# # returning all data table the server contains with entering an API key
# DataTables(utd_api_key = NULL)
#
# # suggesting a way to avoid repetitive typing an API key into functions
# k <-"your utd_api_key"
# DataTables(k)
#
# # storing an api key in an environment variable
# Sys.setenv(UTDAPIKEY = "your utd_api_key")
# DataTables()
## ---- eval = FALSE-------------------------------------------------------
# tableVar(table='', utd_api_key=NULL, lword='')
#
# # an easy way of applying a stored API text to avoid the repeation of API key typing
# k <-"your utd_api_key"
# tableVar(table = "Icews", utd_api_key = k)
#
# # storing an api key in an environment variable
# Sys.setenv(UTDAPIKEY = "your utd_api_key") # if you set it before, this line is unnecessary
# tableVar(table = "icews")
## ---- eval = FALSE-------------------------------------------------------
# tableVar(table = "icews", utd_api_key = "utd_api_key", lword = "target")
#
# # when a user wants to know the attribute that labeled as 'target' in ICEWS
# k <- "your utd_api_key."
# tableVar(table="icews", utd_api_key = k, lword="target")
# '" Target Name" " Target Sectors", ....'
# # if an API key is stored in an environmental variable
# tableVar(table="icews", lword = "target")
## ---- eval = FALSE-------------------------------------------------------
# # if an API key is stored in an environmental variable
# dataSample <- previewData(table_name = "PHOENIX_RT")
#
# # if not an API key is stored in an environmental variable
# dataSample <- previewData(table_name = "PHOENIX_RT", utd_api_key = "your utd_api_key")
# View(dataSample)
## ---- eval = FALSE-------------------------------------------------------
# ## several examples of different data tables with citation texts
# k <-'utd api key...'
# subset1 <- pullData(utd_api_key = k, table_name = "phoenix_rt", country = list('canada','China'), start = '20171101', end = '20171102', T)
#
# # to store the data only
# data <- subset1$data
#
# # to print the citation texts
# subset1$citation
#
# # to avoid the citation texts
# data <- pullData(k, "phoenix_rt", list('canada','China'), '20171101', '20171102',
# citation = FALSE)
## ---- eval=FALSE---------------------------------------------------------
# k <- "your utd_api_key"
# DataTables(k)
## ---- eval=FALSE---------------------------------------------------------
# Sys.setenv(UTDAPIKEY = "your utd_api_key")
# DataTables()
## ---- eval=FALSE---------------------------------------------------------
# # creating an object
# obj <- Table$new()
#
# # setting an object of an API key
# obj$setAPIKey("....")
# obj$DataTables() # returns the available data tables in the UTD server
# obj$tableVar("cline_Phoenix_NYT")
#
# # when a user wants to subset real-time data ('phoenix_rt) from 20171101 to 20171102 on MEX(Mexico)
# obj$pullData("Phoenix_rt", list("MEX"),start="20171101", end="20171102")
## ---- eval=FALSE---------------------------------------------------------
# # to estimate the data size of the entire Cline_Phoenix_NYT data
# getQuerySize(utd_api_key = , table_name ='Cline_Phoenix_NYT', query = 'entire')
#
# # to download the data
# data.nyt <- entireData(utd_api_key = , table_name ='Cline_Phoenix_nyt', citation = FALSE)
# View(data.nyt)
## ---- eval = FALSE-------------------------------------------------------
# # basic usage
# sendQuery(utd_api_key='', tabl_name ='', query = c(), citation = TRUE)
#
# # to store the ICEWS subset in the vector of myData without the citation
# # query_block is a list of the quries built by the query block functions illustrated in subchapters
# dyad <- returnDyad('icews', 'PAK', 'IND')
# time <- returnTimes("icews","20180901","20181031")
# query_block <- andList(c(time, dyad))
# myData <- sendQuery('utd_api_key',"icews", query_block, citation = TRUE)
# # store the data only
# myData <- myData$data
# # print citation texts only
# myData$citation
#
# # without the citation text
# myData <- sendQuery(utd_api_key,"icews", query_block, citation = FALSE)
## ---- eval = FALSE-------------------------------------------------------
# # genrate a query for all source actors that involved in governments in events
# govQuery <- returnRegExp( utd_api_key = " " , table_name = "phoenix_rt", pattern = "GOV", field = "src_agent")
# # to subset the cline_phoenix_nyt data by year == 2001
# nytQuery <- returnRegExp( utd_api_key = " ", 'cline_phoenix_nyt', '2001', 'year')
## ---- eval = FALSE-------------------------------------------------------
# # generate a query of the United States and Canada as a country restraint for real-time event data
# ctr <- returnCountries(table_name = "phoenix_rt", country = list("USA","CAN"))
## ---- eval = FALSE-------------------------------------------------------
# # generates a query to return all events between July 27, 1980, and December 10, 2004 for ICEWS data
# time <- returnTimes(table_name = "icews", start = "19800727", end = "20041210")
## ---- eval = FALSE-------------------------------------------------------
# # generate a query with a geo-location bountry with the latitude between -80 and 30 and the longitude between 20 and 80
# locQuery <- returnLatLon(lat1 = -80, lat2 = 30, lon1 = 20, lon2 = 80)
## ---- eval = FALSE-------------------------------------------------------
# # genrate a query that a source country is Syria and a target country is the United States
# dyad <- returnDyad(table_name =" " , source = "SYR", target = "USA")
## ---- eval = FALSE-------------------------------------------------------
# # combine stored query blocks such as 'time' or 'locQuery' created before
# and_query <- andList(query_prep = c(locQuery, time))
#
# # subset with two or more stored query blocks such as 'locQuery' or 'dyad'
# or_query <- orList(query_prep = c(locQuery, dyad))
## ---- eval = FALSE-------------------------------------------------------
# # estimate the data size you want to extract
# getQuerySize(utd_api_key = " ", table_name = " ", query = list())
#
# # if the error message is noted, estimate the data a user has requested
# getQuerySize(k, 'phoenix_rt', q)
#
# # check your memory limit only in the Windows system
# memory.limit()
#
# # increase its size if you need
# memory.size(max=120000)
## ---- eval = FALSE-------------------------------------------------------
# # for the citations for Cline Phoenix Event data
# citeData(table_name = "cline_Phoenix_swb")
#
# # for the citations for UTD real-time data
# citeData(table_name = "Phoenix_rt")
#
# # for the citations for ICEWS
# citeData(table_name = "ICEWS")
## ---- eval = F, fig.height=3, fig.width=5--------------------------------
#
# # Option 1: pullData()
# # Note: k <- "...provided API key"
# dt <- pullData(k, "Phoenix_rt", list("RUS", "SYR"),start="20180101", end="20180331", citation = F)
#
# # Option 2: SendQuery() and the query block functions: returnTimes(), returnCountries()
#
# ctr<- returnCountries("Phoenix_rt", list('RUS', 'SYR'))
# t <- returnTimes("Phoenix_rt", "20180101", '20180331')
# q <- andList(c(ctr, t))
# dt1 <- sendQuery(k, "Phoenix_rt", q, citation = F)
#
# ## querying the fight event by CAMEO codes
# Fgt <- dt[dt$code %in% c("190", "191", "192", "193", "194", "195", "1951", "1952", "196"),]
#
# Fgt <- Fgt[,1:23] ## removing url and oid
#
# tb <- table(Fgt$country_code, Fgt$month) # monthly incidents
#
# barplot(tb, main = "Monthly Fight Incidents between RUS and SYR", col=c("darkblue", "red"),
# legend = rownames(tb), beside=TRUE, xlab="Month in 2018")
#
## ---- eval=FALSE, message=FALSE, warning=FALSE, results="asis"-----------
# # creating the query of source = 'PAK' and target = 'IND' for ICEWS
# query <- returnDyad('icews', 'PAK', 'IND')
# tmp <- sendQuery(k, 'icews', query, citation = F)
# # the query for Phoenix_Cline_SWB
# q.cline.swb <- returnDyad('cline_phoenix_swb', 'PAK', 'IND')
# tmp.swb <- sendQuery(k, 'cline_phoenix_swb', q.cline.swb, F)
# # the query for Phoenix_Cline_FBIS
# q.cline.fbis <- returnDyad('cline_phoenix_fbis', 'PAK', 'IND')
# tmp.fbis <- sendQuery(k, 'cline_phoenix_fbis', q.cline.fbis, F)
# # the query for Phoenix_Cline_NYT
# q.cline.nyt <- returnDyad('cline_phoenix_nyt', 'PAK', 'IND')
# tmp.nyt <- sendQuery(k, 'cline_phoenix_nyt', q.cline.nyt, F)
# # save each observation as a data set and print it
# Compare <- as.matrix(cbind(nrow(tmp), nrow(tmp.swb), nrow(tmp.fbis), nrow(tmp.nyt)))
# colnames(Compare) <- c("ICEWS", "Phoenix SWB", "Phoenix FBIS", "Phoenix NYT")
# knitr::kable(Compare)
## ---- eval=FALSE, message=FALSE, warning=FALSE, results="asis"-----------
# # sorce actor is EU
# eu <- returnRegExp(k,"Phoenix_rt","IGOEUREEC", "source")
# # target actor is UK
# uk <- returnRegExp(k,"Phoenix_rt","GBR", "target")
# dyad1 <- andList(c(eu,uk))
# dd1 <- sendQuery(k, "Phoenix_rt", dyad1, F)
#
# # source actor is UK
# uk2 <- returnRegExp(k,"Phoenix_rt","GBR", "source")
# # target actor is EU
# eu2 <- returnRegExp(k,"Phoenix_rt","IGOEUREEC", "target")
# dyad2 <- andList(c(eu2,uk2))
# dd2 <- sendQuery(k, "Phoenix_rt", dyad2, F)
#
# # reshaping data
# EU_UK <- as.data.frame(table(dd1$date8, dd1$quad_class))
# colnames(EU_UK) <- c("day", "quadclass", "count")
# EU_UK <- reshape(EU_UK, idvar = "day", timevar = "quadclass", direction = "wide")
# colnames(EU_UK) <- c("date","qc0","qc1","qc2","qc3","qc4")
# EU_UK <- t(EU_UK)
# EU_UK <- EU_UK[-1,]
#
# UK_EU <- as.data.frame(table(dd2$date8, dd2$quad_class))
# colnames(UK_EU) <- c("day", "quadclass", "count")
# UK_EU <- reshape(UK_EU, idvar = "day", timevar = "quadclass", direction = "wide")
# colnames(UK_EU) <- c("date","qc0","qc1","qc2","qc3","qc4")
# UK_EU <- as.matrix(UK_EU)
# UK_EU <- t(UK_EU)
# colnames(UK_EU) <- UK_EU[1,]
# UK_EU <- UK_EU[-1,]
#
# # plotting
# par(mfrow=c(2,1))
# barplot(EU_UK, col=c("white","blue","purple","orange", "red"),
# ylab= "Event counts",
# main = expression(source:~E.U. %->% ~target:~U.K.))
# legend("topright", c("Neutral", "Verbal Cooperation", "Material Cooperation",
# "Verbal Conflict", "Material Conflict"),
# fill=c("white","blue","purple","orange", "red"))
# barplot(UK_EU, col=c("white","blue","purple","orange", "red"),
# ylab= "Event counts",
# main = expression(source:~U.K. %->% ~target:~E.U.))
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