Deploy commit: 8c85dea

02-spatial-data.md

@@ -174,7 +174,7 @@ cat(crs(nlcd)) # CRS
 #>             LENGTHUNIT["metre",1]],
 #>     USAGE[
 #>         SCOPE["Engineering survey, topographic mapping."],
-#>         AREA["North America - between 114°W and 108°W - onshore and offshore. Canada - Alberta; Northwest Territories; Nunavut; Saskatchewan. United States (USA) - Arizona; Colorado; Idaho; Montana; New Mexico; Utah; Wyoming."],
+#>         AREA["North America - between 114<c2><b0>W and 108<c2><b0>W - onshore and offshore. Canada - Alberta; Northwest Territories; Nunavut; Saskatchewan. United States (USA) - Arizona; Colorado; Idaho; Montana; New Mexico; Utah; Wyoming."],
 #>         BBOX[31.33,-114,84,-108]],
 #>     ID["EPSG",26912]]
 ```
@@ -219,7 +219,7 @@ cat(crs(nlcd))
 #>             LENGTHUNIT["metre",1]],
 #>     USAGE[
 #>         SCOPE["Engineering survey, topographic mapping."],
-#>         AREA["North America - between 114°W and 108°W - onshore and offshore. Canada - Alberta; Northwest Territories; Nunavut; Saskatchewan. United States (USA) - Arizona; Colorado; Idaho; Montana; New Mexico; Utah; Wyoming."],
+#>         AREA["North America - between 114<c2><b0>W and 108<c2><b0>W - onshore and offshore. Canada - Alberta; Northwest Territories; Nunavut; Saskatchewan. United States (USA) - Arizona; Colorado; Idaho; Montana; New Mexico; Utah; Wyoming."],
 #>         BBOX[31.33,-114,84,-108]],
 #>     ID["EPSG",26912]]
 ```

03-attribute-operations.md

@@ -282,13 +282,13 @@ us_states |>
 #> Dimension:     XY
 #> Bounding box:  xmin: -125 ymin: 24.6 xmax: -67 ymax: 49.4
 #> Geodetic CRS:  NAD83
-#> # A tibble: 4 × 3
+#> # A tibble: 4 x 3
 #>   REGION   nr_of_states                                                 geometry
-#>   <fct>           <int>                                       <MULTIPOLYGON [°]>
-#> 1 Norteast            9 (((-70.8 42.9, -70.7 43.1, -70.6 43.1, -70.5 43.3, -70.…
-#> 2 Midwest            12 (((-85.5 45.6, -85.5 45.8, -85.6 45.8, -85.6 45.6, -85.…
-#> 3 South              17 (((-81.4 30.7, -81.4 30.8, -81.4 30.9, -81.4 31, -81.3 …
-#> 4 West               11 (((-118 33.4, -118 33.3, -118 33.3, -118 33.4, -119 33.…
+#>   <fct>           <int>                              <MULTIPOLYGON [arc_degree]>
+#> 1 Norteast            9 (((-70.8 42.9, -70.7 43.1, -70.6 43.1, -70.5 43.3, -70.~
+#> 2 Midwest            12 (((-85.5 45.6, -85.5 45.8, -85.6 45.8, -85.6 45.6, -85.~
+#> 3 South              17 (((-81.4 30.7, -81.4 30.8, -81.4 30.9, -81.4 31, -81.3 ~
+#> 4 West               11 (((-118 33.4, -118 33.3, -118 33.3, -118 33.4, -119 33.~
 ```
 
 E6. What was the minimum and maximum total population in 2015 in each region?
@@ -305,13 +305,13 @@ us_states |>
 #> Dimension:     XY
 #> Bounding box:  xmin: -125 ymin: 24.6 xmax: -67 ymax: 49.4
 #> Geodetic CRS:  NAD83
-#> # A tibble: 4 × 5
+#> # A tibble: 4 x 5
 #>   REGION   min_pop  max_pop   tot_pop                                   geometry
-#>   <fct>      <dbl>    <dbl>     <dbl>                         <MULTIPOLYGON [°]>
-#> 1 Norteast  626604 19673174  55989520 (((-70.8 42.9, -70.7 43.1, -70.6 43.1, -7…
-#> 2 Midwest   721640 12873761  67546398 (((-85.5 45.6, -85.5 45.8, -85.6 45.8, -8…
-#> 3 South     647484 26538614 118575377 (((-81.4 30.7, -81.4 30.8, -81.4 30.9, -8…
-#> 4 West      579679 38421464  72264052 (((-118 33.4, -118 33.3, -118 33.3, -118 …
+#>   <fct>      <dbl>    <dbl>     <dbl>                <MULTIPOLYGON [arc_degree]>
+#> 1 Norteast  626604 19673174  55989520 (((-70.8 42.9, -70.7 43.1, -70.6 43.1, -7~
+#> 2 Midwest   721640 12873761  67546398 (((-85.5 45.6, -85.5 45.8, -85.6 45.8, -8~
+#> 3 South     647484 26538614 118575377 (((-81.4 30.7, -81.4 30.8, -81.4 30.9, -8~
+#> 4 West      579679 38421464  72264052 (((-118 33.4, -118 33.3, -118 33.3, -118 ~
 ```
 
 E7. Add variables from `us_states_df` to `us_states`, and create a new object called `us_states_stats`.
@@ -332,7 +332,7 @@ How can you find them? (hint: try to use the `dplyr::anti_join()` function)
 ```r
 us_states_df |>
   anti_join(st_drop_geometry(us_states), by = c("state" = "NAME"))
-#> # A tibble: 2 × 5
+#> # A tibble: 2 x 5
 #>   state  median_income_10 median_income_15 poverty_level_10 poverty_level_15
 #>   <chr>             <dbl>            <dbl>            <dbl>            <dbl>
 #> 1 Alaska            29509            31455            64245            72957

08-read-write-plot.md

@@ -33,7 +33,7 @@ read_sf
 #>     st_read(..., quiet = quiet, stringsAsFactors = stringsAsFactors, 
 #>         as_tibble = as_tibble)
 #> }
-#> <bytecode: 0x56207aeadc68>
+#> <bytecode: 0x5633b3f81738>
 #> <environment: namespace:sf>
 nc = st_read(system.file("shape/nc.shp", package="sf"))
 #> Reading layer `nc' from data source 

10-gis.md

@@ -181,7 +181,7 @@ plot(st_geometry(ca_highways))
 ```
 
 <!-- stac+gdalcubes 1 -->
-E8. The `ndvi.tif` raster (`system.file("raster/ndvi.tif", package = "spDataLarge")`) contains NDVI calculated for the Mongón study area based on Landsat data from September 22nd, 2000.
+E8. The `ndvi.tif` raster (`system.file("raster/ndvi.tif", package = "spDataLarge")`) contains NDVI calculated for the Mong<U+00F3>n study area based on Landsat data from September 22nd, 2000.
 Use **rstac**, **gdalcubes**, and **terra** to download Sentinel-2 images for the same area from 
 2020-08-01 to 2020-10-31, calculate its NDVI, and then compare it with the results from `ndvi.tif`.
 

14-location.md

@@ -121,8 +121,8 @@ names(reclass) = names(input_ras)
 #************************************
 metro_names = dplyr::pull(metro_names, city) |>
   as.character() |>
-  {\(x) ifelse(x == "Velbert", "Düsseldorf", x)}() |>
-  {\(x) gsub("ü", "ue", x)}()
+  {\(x) ifelse(x == "Velbert", "D<U+00FC>sseldorf", x)}() |>
+  {\(x) gsub("<U+00FC>", "ue", x)}()
 
 pop_agg = terra::aggregate(reclass$pop, fact = 20, fun = sum, na.rm = TRUE)
 pop_agg = pop_agg[pop_agg > 500000, drop = FALSE] 

algorithms.html

@@ -181,7 +181,7 @@ <h2>Note: Second Edition is under construction 🏗</h2>
 <footer class="bg-primary text-light mt-5"><div class="container"><div class="row">
 
   <div class="col-12 col-md-6 mt-3">
-    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-04-28.</p>
+    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-05-05.</p>
   </div>
 
   <div class="col-12 col-md-6 mt-3">

attr.html

@@ -343,13 +343,13 @@ <h1>
 <span><span class="co">#&gt; Dimension:     XY</span></span>
 <span><span class="co">#&gt; Bounding box:  xmin: -125 ymin: 24.6 xmax: -67 ymax: 49.4</span></span>
 <span><span class="co">#&gt; Geodetic CRS:  NAD83</span></span>
-<span><span class="co">#&gt; # A tibble: 4 × 3</span></span>
+<span><span class="co">#&gt; # A tibble: 4 x 3</span></span>
 <span><span class="co">#&gt;   REGION   nr_of_states                                                 geometry</span></span>
-<span><span class="co">#&gt;   &lt;fct&gt;           &lt;int&gt;                                       &lt;MULTIPOLYGON [°]&gt;</span></span>
-<span><span class="co">#&gt; 1 Norteast            9 (((-70.8 42.9, -70.7 43.1, -70.6 43.1, -70.5 43.3, -70.…</span></span>
-<span><span class="co">#&gt; 2 Midwest            12 (((-85.5 45.6, -85.5 45.8, -85.6 45.8, -85.6 45.6, -85.…</span></span>
-<span><span class="co">#&gt; 3 South              17 (((-81.4 30.7, -81.4 30.8, -81.4 30.9, -81.4 31, -81.3 …</span></span>
-<span><span class="co">#&gt; 4 West               11 (((-118 33.4, -118 33.3, -118 33.3, -118 33.4, -119 33.…</span></span></code></pre></div>
+<span><span class="co">#&gt;   &lt;fct&gt;           &lt;int&gt;                              &lt;MULTIPOLYGON [arc_degree]&gt;</span></span>
+<span><span class="co">#&gt; 1 Norteast            9 (((-70.8 42.9, -70.7 43.1, -70.6 43.1, -70.5 43.3, -70.~</span></span>
+<span><span class="co">#&gt; 2 Midwest            12 (((-85.5 45.6, -85.5 45.8, -85.6 45.8, -85.6 45.6, -85.~</span></span>
+<span><span class="co">#&gt; 3 South              17 (((-81.4 30.7, -81.4 30.8, -81.4 30.9, -81.4 31, -81.3 ~</span></span>
+<span><span class="co">#&gt; 4 West               11 (((-118 33.4, -118 33.3, -118 33.3, -118 33.4, -119 33.~</span></span></code></pre></div>
 <p>E6. What was the minimum and maximum total population in 2015 in each region?
 What was the total population in 2015 in each region?</p>
 <div class="sourceCode" id="cb14"><pre class="downlit sourceCode r">
@@ -363,13 +363,13 @@ <h1>
 <span><span class="co">#&gt; Dimension:     XY</span></span>
 <span><span class="co">#&gt; Bounding box:  xmin: -125 ymin: 24.6 xmax: -67 ymax: 49.4</span></span>
 <span><span class="co">#&gt; Geodetic CRS:  NAD83</span></span>
-<span><span class="co">#&gt; # A tibble: 4 × 5</span></span>
+<span><span class="co">#&gt; # A tibble: 4 x 5</span></span>
 <span><span class="co">#&gt;   REGION   min_pop  max_pop   tot_pop                                   geometry</span></span>
-<span><span class="co">#&gt;   &lt;fct&gt;      &lt;dbl&gt;    &lt;dbl&gt;     &lt;dbl&gt;                         &lt;MULTIPOLYGON [°]&gt;</span></span>
-<span><span class="co">#&gt; 1 Norteast  626604 19673174  55989520 (((-70.8 42.9, -70.7 43.1, -70.6 43.1, -7…</span></span>
-<span><span class="co">#&gt; 2 Midwest   721640 12873761  67546398 (((-85.5 45.6, -85.5 45.8, -85.6 45.8, -8…</span></span>
-<span><span class="co">#&gt; 3 South     647484 26538614 118575377 (((-81.4 30.7, -81.4 30.8, -81.4 30.9, -8…</span></span>
-<span><span class="co">#&gt; 4 West      579679 38421464  72264052 (((-118 33.4, -118 33.3, -118 33.3, -118 …</span></span></code></pre></div>
+<span><span class="co">#&gt;   &lt;fct&gt;      &lt;dbl&gt;    &lt;dbl&gt;     &lt;dbl&gt;                &lt;MULTIPOLYGON [arc_degree]&gt;</span></span>
+<span><span class="co">#&gt; 1 Norteast  626604 19673174  55989520 (((-70.8 42.9, -70.7 43.1, -70.6 43.1, -7~</span></span>
+<span><span class="co">#&gt; 2 Midwest   721640 12873761  67546398 (((-85.5 45.6, -85.5 45.8, -85.6 45.8, -8~</span></span>
+<span><span class="co">#&gt; 3 South     647484 26538614 118575377 (((-81.4 30.7, -81.4 30.8, -81.4 30.9, -8~</span></span>
+<span><span class="co">#&gt; 4 West      579679 38421464  72264052 (((-118 33.4, -118 33.3, -118 33.3, -118 ~</span></span></code></pre></div>
 <p>E7. Add variables from <code>us_states_df</code> to <code>us_states</code>, and create a new object called <code>us_states_stats</code>.
 What function did you use and why?
 Which variable is the key in both datasets?
@@ -384,7 +384,7 @@ <h1>
 <div class="sourceCode" id="cb16"><pre class="downlit sourceCode r">
 <code class="sourceCode R"><span><span class="va">us_states_df</span> <span class="op">|&gt;</span></span>
 <span>  <span class="fu"><a href="https://dplyr.tidyverse.org/reference/filter-joins.html">anti_join</a></span><span class="op">(</span><span class="fu"><a href="https://r-spatial.github.io/sf/reference/st_geometry.html">st_drop_geometry</a></span><span class="op">(</span><span class="va">us_states</span><span class="op">)</span>, by <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html">c</a></span><span class="op">(</span><span class="st">"state"</span> <span class="op">=</span> <span class="st">"NAME"</span><span class="op">)</span><span class="op">)</span></span>
-<span><span class="co">#&gt; # A tibble: 2 × 5</span></span>
+<span><span class="co">#&gt; # A tibble: 2 x 5</span></span>
 <span><span class="co">#&gt;   state  median_income_10 median_income_15 poverty_level_10 poverty_level_15</span></span>
 <span><span class="co">#&gt;   &lt;chr&gt;             &lt;dbl&gt;            &lt;dbl&gt;            &lt;dbl&gt;            &lt;dbl&gt;</span></span>
 <span><span class="co">#&gt; 1 Alaska            29509            31455            64245            72957</span></span>
@@ -546,7 +546,7 @@ <h2>Note: Second Edition is under construction 🏗</h2>
 <footer class="bg-primary text-light mt-5"><div class="container"><div class="row">
 
   <div class="col-12 col-md-6 mt-3">
-    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-04-28.</p>
+    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-05-05.</p>
   </div>
 
   <div class="col-12 col-md-6 mt-3">

eco.html

@@ -341,7 +341,7 @@ <h2>Note: Second Edition is under construction 🏗</h2>
 <footer class="bg-primary text-light mt-5"><div class="container"><div class="row">
 
   <div class="col-12 col-md-6 mt-3">
-    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-04-28.</p>
+    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-05-05.</p>
   </div>
 
   <div class="col-12 col-md-6 mt-3">

geometric-operations.html

@@ -310,7 +310,7 @@ <h2>Note: Second Edition is under construction 🏗</h2>
 <footer class="bg-primary text-light mt-5"><div class="container"><div class="row">
 
   <div class="col-12 col-md-6 mt-3">
-    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-04-28.</p>
+    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-05-05.</p>
   </div>
 
   <div class="col-12 col-md-6 mt-3">

gis.html

@@ -234,7 +234,7 @@ <h1>
 <span><span class="va">ca_highways</span> <span class="op">=</span> <span class="fu"><a href="https://r-spatial.github.io/sf/reference/st_read.html">read_sf</a></span><span class="op">(</span><span class="va">conn</span>, query <span class="op">=</span> <span class="va">query</span>, geom <span class="op">=</span> <span class="st">"wkb_geometry"</span><span class="op">)</span></span>
 <span><span class="fu"><a href="https://rspatial.github.io/terra/reference/plot.html">plot</a></span><span class="op">(</span><span class="fu"><a href="https://r-spatial.github.io/sf/reference/st_geometry.html">st_geometry</a></span><span class="op">(</span><span class="va">ca_highways</span><span class="op">)</span><span class="op">)</span></span></code></pre></div>
 <!-- stac+gdalcubes 1 -->
-<p>E8. The <code>ndvi.tif</code> raster (<code>system.file("raster/ndvi.tif", package = "spDataLarge")</code>) contains NDVI calculated for the Mongón study area based on Landsat data from September 22nd, 2000.
+<p>E8. The <code>ndvi.tif</code> raster (<code>system.file("raster/ndvi.tif", package = "spDataLarge")</code>) contains NDVI calculated for the Mong&lt;U+00F3&gt;n study area based on Landsat data from September 22nd, 2000.
 Use <strong>rstac</strong>, <strong>gdalcubes</strong>, and <strong>terra</strong> to download Sentinel-2 images for the same area from
 2020-08-01 to 2020-10-31, calculate its NDVI, and then compare it with the results from <code>ndvi.tif</code>.</p>
 <div class="sourceCode" id="cb88"><pre class="downlit sourceCode r">
@@ -311,7 +311,7 @@ <h2>Note: Second Edition is under construction 🏗</h2>
 <footer class="bg-primary text-light mt-5"><div class="container"><div class="row">
 
   <div class="col-12 col-md-6 mt-3">
-    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-04-28.</p>
+    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-05-05.</p>
   </div>
 
   <div class="col-12 col-md-6 mt-3">

index.html

@@ -121,7 +121,7 @@ <h2>Note: Second Edition is under construction 🏗</h2>
 <footer class="bg-primary text-light mt-5"><div class="container"><div class="row">
 
   <div class="col-12 col-md-6 mt-3">
-    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-04-28.</p>
+    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-05-05.</p>
   </div>
 
   <div class="col-12 col-md-6 mt-3">

index.md

@@ -1,7 +1,7 @@
 --- 
 title: 'Geocomputation with R: Solutions'
 author: 'Robin Lovelace, Jakub Nowosad, Jannes Muenchow'
-date: '2024-04-28'
+date: '2024-05-05'
 site: bookdown::bookdown_site
 output: bookdown::bs4_book
 biblio-style: apalike

intro.html

@@ -120,7 +120,7 @@ <h2>Note: Second Edition is under construction 🏗</h2>
 <footer class="bg-primary text-light mt-5"><div class="container"><div class="row">
 
   <div class="col-12 col-md-6 mt-3">
-    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-04-28.</p>
+    <p>"<strong>Geocomputation with R: Solutions</strong>" was written by Robin Lovelace, Jakub Nowosad, Jannes Muenchow. It was last built on 2024-05-05.</p>
   </div>
 
   <div class="col-12 col-md-6 mt-3">