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| library(SPARQL) | |
| library(ggplot2) | |
| library(rworldmap) | |
| wdqs <- "https://query.wikidata.org/bigdata/namespace/wdq/sparql" | |
| query = "PREFIX wd: <http://www.wikidata.org/entity/> | |
| PREFIX wdt: <http://www.wikidata.org/prop/direct/> | |
| PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> | |
| PREFIX p: <http://www.wikidata.org/prop/> | |
| PREFIX v: <http://www.wikidata.org/prop/statement/> | |
| PREFIX qualifier: <http://www.wikidata.org/prop/qualifier/> | |
| PREFIX statement: <http://www.wikidata.org/prop/statement/> | |
| SELECT DISTINCT ?countryLabel ?ISO3Code ?latlon ?prevalence ?year WHERE { | |
| wd:Q36956 wdt:P699 ?doid ; # P699 Disease ontology ID | |
| p:P1193 ?prevalencewithProvenance . # P1193 prevalence | |
| ?prevalencewithProvenance qualifier:P17 ?country ; | |
| qualifier:P585 ?year ; | |
| statement:P1193 ?prevalence . # P17 country | |
| ?country wdt:P625 ?latlon ; | |
| rdfs:label ?countryLabel ; | |
| wdt:P298 ?ISO3Code ; | |
| wdt:P297 ?ISOCode . | |
| FILTER (lang(?countryLabel) = \"en\") | |
| }" | |
| results <- SPARQL(wdqs, query) | |
| resultMatrix <- as.matrix(results$results) | |
| View(resultMatrix) | |
| sPDF <- joinCountryData2Map(results$results, joinCode = "ISO3", nameJoinColumn = "ISO3Code") | |
| mapCountryData( sPDF, nameColumnToPlot="prevalence", oceanCol="lightblue", missingCountryCol="white") | |
| View(getMap()) |
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