大约90%的时间,在使用get_map时ggmap,我收到以下错误.有人可以告诉我为什么吗?
map <- get_map(location = 'Australia', zoom = 4)
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在download.file错误(!URL,destfile = destfile,安静=短信,模式= "WB"):无法打开URL" http://maps.googleapis.com/maps/api/staticmap?center=Australia&zoom=4&size= %20640x640&scale =%202&maptype = terrain&sensor = false '另外:警告消息:在download.file(url,destfile = destfile,quiet =!messaging,mode ="wb"):无法打开:HTTP状态为'403 Forbidden'