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Source  : ee3fdf7
Branch  : main
Author  : Jon Jablonski <jonjab@ucsb.edu>
Time    : 2025-08-14 22:40:20 +0000
Message : Merge pull request #492 from mneilson-usgs/ep_6_explain_sf

Add explanation for use of `sf` package

Author: actions-user

06-vector-open-shapefile-in-r.md

@@ -45,10 +45,13 @@ into a single plot.
 
 ## Import Vector Data
 
-We will use the `sf` package to work with vector data in R. `sf` stands for simple features.
-We will also use the `terra` package, which has been loaded in previous episodes, so we can
-explore raster and vector spatial metadata using similar commands. Make sure
-you have the `sf` library loaded.
+We will use the `sf` package to work with vector data in R. `sf` stands for
+[simple features](https://en.wikipedia.org/wiki/Simple_Features), an international standard for
+representing spatial data that is used widely by databases (e.g., PostGIS) and other open source
+geospatial software (e.g., GDAL). We will also use the `terra` package, which has been loaded
+in previous episodes, so we can explore raster and vector spatial metadata using similar commands.
+
+Make sure you have the `sf` library loaded.
 
 
 ``` r

md5sum.txt

@@ -9,7 +9,7 @@
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 "episodes/04-raster-calculations-in-r.Rmd" "091de4689ef64107ec26c718866bd0a6" "site/built/04-raster-calculations-in-r.md" "2025-08-05"
 "episodes/05-raster-multi-band-in-r.Rmd" "f503b06794c529d0d184344ecf0517bf" "site/built/05-raster-multi-band-in-r.md" "2025-08-12"
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 "episodes/07-vector-shapefile-attributes-in-r.Rmd" "8f3c5595f7c56ae75b8ffb9ef213f512" "site/built/07-vector-shapefile-attributes-in-r.md" "2025-08-12"
 "episodes/08-vector-plot-shapefiles-custom-legend.Rmd" "958ea3185523466d2e16b1ba392eec0a" "site/built/08-vector-plot-shapefiles-custom-legend.md" "2025-08-05"
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