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我有一个数据集,像这场比赛的地方与谷歌的地理位置API的所有组合:寻找
> head(base_1[,c("logradouro","nomemun_x")])
logradouro nomemun_x
1 RODOVIA BR-419 KM 236 Anastácio
2 RUA CASTRO ALVES, 1130 São Marcos
3 CONEGO JOAO MARCHESI, 526 São Marcos
4 RUA BONFILHO NICOLETTI, 670 São Marcos
5 VENANCIO AIRES, 444 São Marcos
6 OSVALDO ARANHA, 478 São Marcos
,我也得到一个代码中找到坐标纬度/经度:
geocodeAdddress <- function(address) {
require(RJSONIO)
url <- "http://maps.google.com/maps/api/geocode/json?address="
url <- URLencode(paste(url, address, "&sensor=false", sep = ""))
x <- fromJSON(url, simplify = FALSE)
if (x$status == "OK") {
latitude <- x$results[[1]]$geometry$location$lat
longitude <- x$results[[1]]$geometry$location$lng
localizacao_tipo <- x$results[[1]]$geometry$location_type
formatacao_endereco <- x$results[[1]]$formatted_address
out<-cbind(longitude,latitude,localizacao_tipo,formatacao_endereco)
} else {
out <- NA
}
Sys.sleep(0.2) # API only allows 5 requests per second
out
}
现在想一个程序使变量的所有可能组合logradouro和nomemun_x找到我想要的坐标。
使用'expand.grid()'用expand.grid()感谢 –
工作,但现在我有这样的组合: –
“1130 RUA 1130,SãoMarcos-RS,95190000”我想排除相同的单词或数字。 –