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Mapping with R
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Welcome to Mapping with R (01_01)
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Geospatial DataMaking Maps is Complex (01_02)
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mapview for Quick Maps (01_03)
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sf for Simple Features (01_04)
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Turning Data Frames into sf Objects (01_05)
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Importing Shapefiles (01_06)
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Joining Geospatial Datasets (01_07)
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Disambiguating Country Names (01_08)
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Converting Addresses to Coordinates (01_09)
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U.S.-Specific Datasets (01_10)
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Advice on Finding International Datasets (01_11)
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CRS and Projections: Geographic and Projected CRS (01_12)
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CRS and Projections: How to Choose a CRS (01_13)
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Introducing Raster GIS with raster and stars (01_14)
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Basics of Using the raster Package (01_15)
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Static Mapsggplot2 Essentials (02_01)
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Starting a Map in ggplot2 (02_02)
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Labelling ggplot2 Maps (02_03)
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Compare Locations/Events with Geobubble Charts (02_04)
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Highlight a Region in a Country with ggplot2 (02_05)
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Make a Choropleth Map of Discrete Variables with ggplot2 (02_06)
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Make a Choropleth Map of Continuous Variables with ggplot2 (02_07)
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Faceting Choropleth Maps with ggplot2 (02_08)
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Visualize Raster Data with ggplot2 (02_09)
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Adding Scale Bars and North Arrows with ggplot2 (02_10)
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Interactive MapsWhat is leaflet? (03_01)
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Starting a Map in leaflet (03_02)
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Necessary HTML for Labelling leaflet Maps (03_03)
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Highlight a Region in a Country with leaflet (03_04)
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Compare Locations/Events with Geobubble Charts in leaflet (03_05)
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Make a Choropleth Map of Discrete Variables with leaflet (03_06)
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Make a Choropleth Map of Continuous Variables with leaflet (03_07)
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Visualize Raster Data with leaflet (03_08)
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Wrapping UpYou Did It!
Lesson 27 of 34
In Progress
Starting a Map in leaflet (03_02)
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I did slightly simplify how to work with map tiles in {leaflet}, this page showcases all the tiles available but some require an API key and might not be free. In {leaflet} we use ~name to access columns in datasets, the ~ character is called “formula”.
Have any questions? Put them below and we will help you out!
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Hi
I had an error stating -> “Error in st_as_sf(.) : object ‘countries50’ not found”
Are you sure you loaded the countries50 data frame?