ggmap: Spatial Visualization with ggplot2
Citations
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379 citations
Cites methods from "ggmap: Spatial Visualization with g..."
...…International, 2017; GeoNames, 2017; Global Biodiveristy Information Facility, 2017; Index Herbariorum, 2017; The Global Registry of Biodiversity Repositories, 2017; Wikipedia, 2017) and geo- referenced them using the ggmap and openCage R- packages (Kahle & Wickham, 2013; Salmon, 2017)....
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285 citations
Cites methods from "ggmap: Spatial Visualization with g..."
...Visualization of microplastic density in the lake was mapped using the packages ‘ggmap’ and ‘ggplot2’ (Kahle and Wickham, 2013; Wickham, 2009)....
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234 citations
220 citations
References
29,504 citations
"ggmap: Spatial Visualization with g..." refers methods in this paper
...CloudMade Maps takes the tile styling even further by allowing the user to either (1) select among thousands of user-made sets or (2) create an entirely new style with a simple online editor where the user can specify colors, lines, and so forth for various types of roads, waterways, landmarks, etc., all of which are generated by CloudMade and accessible in ggmap. ggmap, through get_map (or get_cloudmademap) allows for both options....
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...Style is where Stamen Maps and CloudMade Maps really shine....
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...The new osmar package integrates R and the OpenStreetMap data structures with which OpenStreetMap maps, Stamen Maps, and CloudMade Maps are rendered, thereby opening a floodgate of possibilities for plotting geographic objects on top of maps or satellite imagery all within R using ggmap (Eugster and Schlesinger, 2013)....
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...The one minor drawback to using CloudMade Maps is that the user must register with CloudMade to obtain an API key and then pass the API key into get_map with the api_key argument....
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...Tile style – the source and maptype arguments of get_map The most attractive aspect of using different map sources (Google Maps, OpenStreetMap, Stamen Maps, and CloudMade Maps) is the different map styles provided by the producer....
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2,243 citations
"ggmap: Spatial Visualization with g..." refers methods in this paper
...The data were lightly cleaned and aggregated using plyr (Wickham, 2011) and geocoded using Google Maps (to the center of the block, e....
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...The data were lightly cleaned and aggregated using plyr (Wickham, 2011) and geocoded using Google Maps (to the center of the block, e.g., 6150 Main St.); the full data set is available in ggmap as the data set crime....
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2,105 citations
1,493 citations
"ggmap: Spatial Visualization with g..." refers methods in this paper
...Fortunately the task is made a good deal easier by the data structures and plot methods of sp, RgoogleMaps, and related packages (Pebesma and Bivand, 2006; Bivand et al., 2008; Loecher and Berlin School of Economics and Law, 2013)....
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1,136 citations
"ggmap: Spatial Visualization with g..." refers methods in this paper
...Fortunately the task is made a good deal easier by the data structures and plot methods of sp, RgoogleMaps, and related packages (Pebesma and Bivand, 2006; Bivand et al., 2008; Loecher and Berlin School of Economics and Law, 2013)....
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