Multiple layers
Data Visualisation with R
👩🏻💻 Emi Tanaka @ Monash University
- emi.tanaka@monash.edu
- @statsgen
- github.com/emitanaka
- emitanaka.org
28th November 2022 Australasian Applied Statistics Conference 2022
A layer in ggplot2
- A layer is comprised of:
datamapping- statistical transformation (
stat) - geometric object (
geom) - position adjustment (
position)
dataandmappingare often inherited fromggplot
The violin plot layer
- There is one layer in this plot comprising of:
- inherited
data:penguins - inherited
mapping:aes(x = island, y = body_mass_g) geom: violinstat: density for the y-axis (ydensity)position: dodge
- inherited
You can add more than one layer
- We now have the boxplot layer on top of the violin plot layer.
The order of the layers matters
- You can’t see the boxplot here because it’s been hidden by the violin plot.
Inheriting data and mapping
- A layer inherits the data and mapping from the initialised ggplot object by default
Layer-specific data and aesthetic mapping
- For each layer, aesthetic and/or data can be overwritten
Illustrative data 🚜 Iowa farmland values by county
'data.frame': 99 obs. of 10 variables:
$ county : Factor w/ 99 levels "adair","adams",..: 1 2 3 4 5 6 7 8 9 10 ...
$ fips : int 19001 19003 19005 19007 19009 19011 19013 19015 19017 19019 ...
$ lat : num 41.3 41 43.3 40.7 41.7 ...
$ long : num -94.5 -94.7 -91.4 -92.9 -94.9 ...
$ yield : int 36 33 42 35 40 42 38 41 39 39 ...
$ corn : int 32 30 13 19 34 35 32 40 27 27 ...
$ grain : int 16 14 15 10 21 22 25 25 24 24 ...
$ untillable: int 19 14 44 28 9 17 17 18 28 28 ...
$ fedval : int 93 90 66 68 115 143 132 151 93 93 ...
$ stval : int 88 89 49 60 111 125 114 141 79 79 ... long lat group order region subregion
1 -94.24583 41.50506 1 1 iowa adair
2 -94.24583 41.16129 1 2 iowa adair
3 -94.24583 41.16129 1 3 iowa adair
4 -94.48647 41.16129 1 4 iowa adair
5 -94.70992 41.16129 1 5 iowa adair
6 -94.70992 41.50506 1 6 iowa adair
7 -94.24583 41.50506 1 7 iowa adair
9 -94.70992 41.16129 2 9 iowa adams
10 -94.48647 41.16129 2 10 iowa adams
11 -94.48647 40.90346 2 11 iowa adams
12 -94.93338 40.90346 2 12 iowa adams
13 -94.93338 41.15556 2 13 iowa adams
14 -94.70992 41.16129 2 14 iowa adams
16 -91.22634 43.49895 3 16 iowa allamakee
17 -91.22634 43.45312 3 17 iowa allamakee
18 -91.20342 43.43020 3 18 iowa allamakee
19 -91.16904 43.41301 3 19 iowa allamakee
20 -91.15186 43.36145 3 20 iowa allamakee
21 -91.07164 43.29842 3 21 iowa allamakee
22 -91.06018 43.26404 3 22 iowa allamakee
23 -91.07164 43.24112 3 23 iowa allamakee
24 -91.14040 43.16664 3 24 iowa allamakee
25 -91.17477 43.12653 3 25 iowa allamakee
26 -91.18050 43.08070 3 26 iowa allamakee
27 -91.17477 43.08643 3 27 iowa allamakee
28 -91.59876 43.08643 3 28 iowa allamakee
29 -91.59876 43.35572 3 29 iowa allamakee
30 -91.61022 43.34999 3 30 iowa allamakee
31 -91.60449 43.51041 3 31 iowa allamakee
32 -91.22634 43.49895 3 32 iowa allamakee
34 -92.63009 40.90346 4 34 iowa appanoose
35 -92.63009 40.60552 4 35 iowa appanoose
36 -92.68738 40.60552 4 36 iowa appanoose
37 -93.09991 40.60552 4 37 iowa appanoose
38 -93.10564 40.90346 4 38 iowa appanoose
39 -92.63009 40.90346 4 39 iowa appanoose
41 -95.10526 41.86030 5 41 iowa audubon
42 -94.75576 41.86603 5 42 iowa audubon
43 -94.75576 41.60819 5 43 iowa audubon
44 -94.70992 41.60819 5 44 iowa audubon
45 -94.70992 41.50506 5 45 iowa audubon
46 -95.05943 41.50506 5 46 iowa audubon
47 -95.05370 41.60247 5 47 iowa audubon
48 -95.10526 41.60247 5 48 iowa audubon
49 -95.10526 41.86030 5 49 iowa audubon
51 -92.06286 42.30148 6 51 iowa benton
52 -91.82221 42.30148 6 52 iowa benton
53 -91.82221 41.87175 6 53 iowa benton
54 -92.28058 41.87175 6 54 iowa benton
55 -92.28632 42.30148 6 55 iowa benton
56 -92.06286 42.30148 6 56 iowa benton
58 -92.54987 42.64525 7 58 iowa black hawk
59 -92.08005 42.64525 7 59 iowa black hawk
60 -92.07432 42.47336 7 60 iowa black hawk
61 -92.06286 42.47336 7 61 iowa black hawk
62 -92.06286 42.30148 7 62 iowa black hawk
63 -92.28632 42.30148 7 63 iowa black hawk
64 -92.52695 42.30148 7 64 iowa black hawk
65 -92.52695 42.47336 7 65 iowa black hawk
66 -92.54987 42.47336 7 66 iowa black hawk
67 -92.54987 42.56504 7 67 iowa black hawk
68 -92.54987 42.64525 7 68 iowa black hawk
70 -93.70152 41.86030 8 70 iowa boone
71 -93.81611 41.86030 8 71 iowa boone
72 -94.17134 41.86603 8 72 iowa boone
73 -94.16561 42.20980 8 73 iowa boone
74 -93.93070 42.20980 8 74 iowa boone
75 -93.70152 42.20980 8 75 iowa boone
76 -93.70152 41.86030 8 76 iowa boone
78 -92.08005 42.90881 9 78 iowa bremer
79 -92.08005 42.64525 9 79 iowa bremer
80 -92.54987 42.64525 9 80 iowa bremer
81 -92.54987 42.90881 9 81 iowa bremer
82 -92.08005 42.90881 9 82 iowa bremer
84 -91.82221 42.30148 10 84 iowa buchanan
85 -92.06286 42.30148 10 85 iowa buchanan
86 -92.06286 42.47336 10 86 iowa buchanan
87 -92.07432 42.47336 10 87 iowa buchanan
88 -92.08005 42.64525 10 88 iowa buchanan
89 -91.59876 42.64525 10 89 iowa buchanan
90 -91.59876 42.48482 10 90 iowa buchanan
91 -91.58157 42.48482 10 91 iowa buchanan
92 -91.58730 42.30148 10 92 iowa buchanan
93 -91.82221 42.30148 10 93 iowa buchanan
95 -94.92192 42.92027 11 95 iowa buena vista
96 -94.92192 42.55930 11 96 iowa buena vista
97 -95.39747 42.56504 11 97 iowa buena vista
98 -95.39747 42.91454 11 98 iowa buena vista
99 -94.92192 42.92027 11 99 iowa buena vista
101 -93.02543 42.90881 12 101 iowa butler
102 -92.54987 42.90881 12 102 iowa butler
103 -92.54987 42.64525 12 103 iowa butler
104 -92.54987 42.56504 12 104 iowa butler
105 -93.02543 42.56504 12 105 iowa butler
106 -93.02543 42.90881 12 106 iowa butler
108 -94.92192 42.55930 13 108 iowa calhoun
109 -94.44636 42.55357 13 109 iowa calhoun
110 -94.44064 42.47336 13 110 iowa calhoun
111 -94.40053 42.47336 13 111 iowa calhoun
112 -94.40625 42.20980 13 112 iowa calhoun
113 -94.62971 42.20980 13 113 iowa calhoun
114 -94.87035 42.20980 13 114 iowa calhoun
115 -94.86462 42.47336 13 115 iowa calhoun
116 -94.92192 42.47336 13 116 iowa calhoun
117 -94.92192 42.55930 13 117 iowa calhoun
119 -95.10526 41.86030 14 119 iowa carroll
120 -95.09954 42.20407 14 120 iowa carroll
121 -94.87035 42.20980 14 121 iowa carroll
122 -94.62971 42.20980 14 122 iowa carroll
123 -94.63544 41.86603 14 123 iowa carroll
124 -94.75576 41.86603 14 124 iowa carroll
125 -95.10526 41.86030 14 125 iowa carroll
127 -95.16829 41.50506 15 127 iowa cass
128 -95.05943 41.50506 15 128 iowa cass
129 -94.70992 41.50506 15 129 iowa cass
130 -94.70992 41.16129 15 130 iowa cass
131 -94.93338 41.15556 15 131 iowa cass
132 -95.16256 41.15556 15 132 iowa cass
133 -95.16829 41.50506 15 133 iowa cass
135 -91.34666 41.60819 16 135 iowa cedar
136 -91.35239 41.87175 16 136 iowa cedar
137 -91.35239 41.95197 16 137 iowa cedar
138 -90.88257 41.95197 16 138 iowa cedar
139 -90.87683 41.78008 16 139 iowa cedar
140 -90.88257 41.60247 16 140 iowa cedar
141 -91.34666 41.60819 16 141 iowa cedar
143 -93.50098 43.26404 17 143 iowa cerro gordo
144 -93.02543 43.25831 17 144 iowa cerro gordo
145 -93.02543 43.22394 17 145 iowa cerro gordo
146 -93.02543 42.90881 17 146 iowa cerro gordo
147 -93.49525 42.91454 17 147 iowa cerro gordo
148 -93.50098 43.26404 17 148 iowa cerro gordo
150 -95.85583 42.55357 18 150 iowa cherokee
151 -95.85583 42.90881 18 151 iowa cherokee
152 -95.39747 42.91454 18 152 iowa cherokee
153 -95.39747 42.56504 18 153 iowa cherokee
154 -95.74125 42.55930 18 154 iowa cherokee
155 -95.85583 42.55357 18 155 iowa cherokee
157 -92.55560 43.22394 19 157 iowa chickasaw
158 -92.08005 43.21820 19 158 iowa chickasaw
159 -92.07432 43.08643 19 159 iowa chickasaw
160 -92.08005 42.90881 19 160 iowa chickasaw
161 -92.54987 42.90881 19 161 iowa chickasaw
162 -92.55560 43.22394 19 162 iowa chickasaw
164 -93.56401 41.16129 20 164 iowa clarke
165 -93.56401 40.90346 20 165 iowa clarke
166 -94.01665 40.90346 20 166 iowa clarke
167 -94.01665 41.16129 20 167 iowa clarke
168 -93.80465 41.16702 20 168 iowa clarke
169 -93.56401 41.16129 20 169 iowa clarke
171 -95.39747 42.91454 21 171 iowa clay
172 -95.39174 43.26404 21 172 iowa clay
173 -94.92192 43.26404 21 173 iowa clay
174 -94.92192 42.92027 21 174 iowa clay
175 -95.39747 42.91454 21 175 iowa clay
177 -91.59876 42.64525 22 177 iowa clayton
178 -91.59876 43.08643 22 178 iowa clayton
179 -91.17477 43.08643 22 179 iowa clayton
180 -91.15186 42.99475 22 180 iowa clayton
181 -91.12894 42.92027 22 181 iowa clayton
182 -91.08883 42.87443 22 182 iowa clayton
183 -91.07164 42.78849 22 183 iowa clayton
184 -91.06018 42.75411 22 184 iowa clayton
185 -91.00861 42.73119 22 185 iowa clayton
186 -90.95705 42.70255 22 186 iowa clayton
187 -90.89976 42.69109 22 187 iowa clayton
188 -90.87683 42.67963 22 188 iowa clayton
189 -90.87110 42.65671 22 189 iowa clayton
190 -90.88830 42.64525 22 190 iowa clayton
191 -91.12321 42.64525 22 191 iowa clayton
192 -91.59876 42.64525 22 192 iowa clayton
194 -90.87683 42.03791 23 194 iowa clinton
195 -90.14918 42.03791 23 195 iowa clinton
196 -90.13772 42.00927 23 196 iowa clinton
197 -90.14918 41.96343 23 197 iowa clinton
198 -90.16064 41.93478 23 198 iowa clinton
199 -90.16064 41.89467 23 199 iowa clinton
200 -90.17783 41.83738 23 200 iowa clinton
201 -90.18929 41.82019 23 201 iowa clinton
202 -90.24085 41.79154 23 202 iowa clinton
203 -90.26950 41.78008 23 203 iowa clinton
204 -90.30388 41.75716 23 204 iowa clinton
205 -90.32107 41.72279 23 205 iowa clinton
206 -90.36691 41.74570 23 206 iowa clinton
207 -90.39555 41.75143 23 207 iowa clinton
208 -90.41846 41.78008 23 208 iowa clinton
209 -90.42993 41.78008 23 209 iowa clinton
210 -90.44712 41.77435 23 210 iowa clinton
211 -90.45857 41.78008 23 211 iowa clinton
212 -90.45857 41.79154 23 212 iowa clinton
213 -90.47004 41.79727 23 213 iowa clinton
214 -90.48723 41.79154 23 214 iowa clinton
215 -90.49868 41.78008 23 215 iowa clinton
216 -90.53307 41.79154 23 216 iowa clinton
217 -90.55025 41.78008 23 217 iowa clinton
218 -90.56171 41.77435 23 218 iowa clinton
219 -90.57890 41.78008 23 219 iowa clinton
220 -90.60755 41.78008 23 220 iowa clinton
221 -90.63619 41.78008 23 221 iowa clinton
222 -90.65911 41.77435 23 222 iowa clinton
223 -90.68203 41.76289 23 223 iowa clinton
224 -90.72214 41.75143 23 224 iowa clinton
225 -90.72787 41.75143 23 225 iowa clinton
226 -90.76225 41.78008 23 226 iowa clinton
227 -90.87683 41.78008 23 227 iowa clinton
228 -90.88257 41.95197 23 228 iowa clinton
229 -90.87683 42.03791 23 229 iowa clinton
231 -95.09954 42.20407 24 231 iowa crawford
232 -95.10526 41.86030 24 232 iowa crawford
233 -95.55790 41.86030 24 233 iowa crawford
234 -95.67822 41.86030 24 234 iowa crawford
235 -95.67249 42.20407 24 235 iowa crawford
236 -95.34018 42.20407 24 236 iowa crawford
237 -95.09954 42.20407 24 237 iowa crawford
239 -94.17134 41.86603 25 239 iowa dallas
240 -93.81611 41.86030 25 240 iowa dallas
241 -93.82184 41.60819 25 241 iowa dallas
242 -93.80465 41.60819 25 242 iowa dallas
243 -93.80465 41.51079 25 243 iowa dallas
244 -93.86768 41.51079 25 244 iowa dallas
245 -93.99372 41.50506 25 245 iowa dallas
246 -94.24583 41.50506 25 246 iowa dallas
247 -94.24583 41.60247 25 247 iowa dallas
248 -94.28593 41.60247 25 248 iowa dallas
249 -94.29166 41.86603 25 249 iowa dallas
250 -94.17134 41.86603 25 250 iowa dallas
252 -92.17172 40.61698 26 252 iowa davis
253 -92.34361 40.61125 26 253 iowa davis
254 -92.63009 40.60552 26 254 iowa davis
255 -92.63009 40.90346 26 255 iowa davis
256 -92.17172 40.90346 26 256 iowa davis
257 -92.17172 40.61698 26 257 iowa davis
259 -93.56401 40.90346 27 259 iowa decatur
260 -93.56974 40.59979 27 260 iowa decatur
261 -93.77600 40.59979 27 261 iowa decatur
262 -94.01665 40.59979 27 262 iowa decatur
263 -94.01665 40.90346 27 263 iowa decatur
264 -93.56401 40.90346 27 264 iowa decatur
266 -91.59876 42.64525 28 266 iowa delaware
267 -91.12321 42.64525 28 267 iowa delaware
268 -91.12321 42.49055 28 268 iowa delaware
269 -91.11748 42.48482 28 269 iowa delaware
270 -91.11748 42.30148 28 270 iowa delaware
271 -91.35239 42.30148 28 271 iowa delaware
272 -91.58730 42.30148 28 272 iowa delaware
273 -91.58157 42.48482 28 273 iowa delaware
274 -91.59876 42.48482 28 274 iowa delaware
275 -91.59876 42.64525 28 275 iowa delaware
277 -90.95132 41.08107 29 277 iowa des moines
278 -90.94559 41.06961 29 278 iowa des moines
279 -90.95132 40.96648 29 279 iowa des moines
280 -90.97424 40.93211 29 280 iowa des moines
281 -91.04299 40.87481 29 281 iowa des moines
282 -91.08883 40.82324 29 282 iowa des moines
283 -91.10029 40.75449 29 283 iowa des moines
284 -91.11175 40.70865 29 284 iowa des moines
285 -91.14040 40.72584 29 285 iowa des moines
286 -91.15186 40.73157 29 286 iowa des moines
287 -91.16331 40.73157 29 287 iowa des moines
288 -91.18623 40.73157 29 288 iowa des moines
289 -91.21488 40.73730 29 289 iowa des moines
290 -91.23779 40.76022 29 290 iowa des moines
291 -91.26645 40.76022 29 291 iowa des moines
292 -91.30083 40.77741 29 292 iowa des moines
293 -91.30656 40.79460 29 293 iowa des moines
294 -91.33521 40.80605 29 294 iowa des moines
295 -91.35812 40.81752 29 295 iowa des moines
296 -91.35239 41.08680 29 296 iowa des moines
297 -90.95132 41.08107 29 297 iowa des moines
299 -95.39174 43.26404 30 299 iowa dickinson
300 -95.39174 43.50468 30 300 iowa dickinson
301 -94.91619 43.50468 30 301 iowa dickinson
302 -94.92192 43.26404 30 302 iowa dickinson
303 -95.39174 43.26404 30 303 iowa dickinson
305 -90.87683 42.67963 31 305 iowa dubuque
306 -90.81954 42.66817 31 306 iowa dubuque
307 -90.75079 42.64525 31 307 iowa dubuque
308 -90.69922 42.61087 31 308 iowa dubuque
309 -90.66484 42.57076 31 309 iowa dubuque
310 -90.65911 42.54212 31 310 iowa dubuque
311 -90.64192 42.50774 31 311 iowa dubuque
312 -90.64765 42.50774 31 312 iowa dubuque
313 -90.64192 42.47336 31 313 iowa dubuque
314 -90.48150 42.38742 31 314 iowa dubuque
315 -90.63046 42.39315 31 315 iowa dubuque
316 -90.64192 42.30148 31 316 iowa dubuque
317 -90.87110 42.30148 31 317 iowa dubuque
318 -91.11748 42.30148 31 318 iowa dubuque
319 -91.11748 42.48482 31 319 iowa dubuque
320 -91.12321 42.49055 31 320 iowa dubuque
321 -91.12321 42.64525 31 321 iowa dubuque
322 -90.88830 42.64525 31 322 iowa dubuque
323 -90.87110 42.65671 31 323 iowa dubuque
324 -90.87683 42.67963 31 324 iowa dubuque
326 -94.86462 43.50468 32 326 iowa emmet
327 -94.45209 43.50468 32 327 iowa emmet
328 -94.45209 43.26404 32 328 iowa emmet
329 -94.92192 43.26404 32 329 iowa emmet
330 -94.91619 43.50468 32 330 iowa emmet
331 -94.86462 43.50468 32 331 iowa emmet
333 -91.59876 43.08643 33 333 iowa fayette
334 -91.59876 42.64525 33 334 iowa fayette
335 -92.08005 42.64525 33 335 iowa fayette
336 -92.08005 42.90881 33 336 iowa fayette
337 -92.07432 43.08643 33 337 iowa fayette
338 -91.59876 43.08643 33 338 iowa fayette
340 -93.02543 42.90881 34 340 iowa floyd
341 -93.02543 43.22394 34 341 iowa floyd
342 -92.55560 43.22394 34 342 iowa floyd
343 -92.54987 42.90881 34 343 iowa floyd
344 -93.02543 42.90881 34 344 iowa floyd
346 -93.49525 42.55930 35 346 iowa franklin
347 -93.49525 42.91454 35 347 iowa franklin
348 -93.02543 42.90881 35 348 iowa franklin
349 -93.02543 42.56504 35 349 iowa franklin
350 -93.49525 42.55930 35 350 iowa franklin
352 -95.82719 40.90919 36 352 iowa fremont
353 -95.38029 40.89773 36 353 iowa fremont
354 -95.38602 40.74876 36 354 iowa fremont
355 -95.37456 40.74876 36 355 iowa fremont
356 -95.37456 40.60552 36 356 iowa fremont
357 -95.75271 40.61125 36 357 iowa fremont
358 -95.76416 40.60552 36 358 iowa fremont
359 -95.76989 40.63990 36 359 iowa fremont
360 -95.79282 40.66282 36 360 iowa fremont
361 -95.83292 40.69146 36 361 iowa fremont
362 -95.86156 40.72011 36 362 iowa fremont
363 -95.87303 40.74876 36 363 iowa fremont
364 -95.86730 40.76595 36 364 iowa fremont
365 -95.84438 40.81178 36 365 iowa fremont
366 -95.85583 40.85189 36 366 iowa fremont
367 -95.82719 40.90919 36 367 iowa fremont
369 -94.16561 42.20980 37 369 iowa greene
370 -94.17134 41.86603 37 370 iowa greene
371 -94.29166 41.86603 37 371 iowa greene
372 -94.63544 41.86603 37 372 iowa greene
373 -94.62971 42.20980 37 373 iowa greene
374 -94.40625 42.20980 37 374 iowa greene
375 -94.16561 42.20980 37 375 iowa greene
377 -92.99678 42.21553 38 377 iowa grundy
378 -92.99678 42.47336 38 378 iowa grundy
379 -93.01970 42.47336 38 379 iowa grundy
380 -93.02543 42.56504 38 380 iowa grundy
381 -92.54987 42.56504 38 381 iowa grundy
382 -92.54987 42.47336 38 382 iowa grundy
383 -92.52695 42.47336 38 383 iowa grundy
384 -92.52695 42.30148 38 384 iowa grundy
385 -92.76186 42.30148 38 385 iowa grundy
386 -92.76186 42.21553 38 386 iowa grundy
387 -92.99678 42.21553 38 387 iowa grundy
389 -94.70992 41.50506 39 389 iowa guthrie
390 -94.70992 41.60819 39 390 iowa guthrie
391 -94.75576 41.60819 39 391 iowa guthrie
392 -94.75576 41.86603 39 392 iowa guthrie
393 -94.63544 41.86603 39 393 iowa guthrie
394 -94.29166 41.86603 39 394 iowa guthrie
395 -94.28593 41.60247 39 395 iowa guthrie
396 -94.24583 41.60247 39 396 iowa guthrie
397 -94.24583 41.50506 39 397 iowa guthrie
398 -94.70992 41.50506 39 398 iowa guthrie
400 -93.96508 42.55930 40 400 iowa hamilton
401 -93.49525 42.55930 40 401 iowa hamilton
402 -93.49525 42.45617 40 402 iowa hamilton
403 -93.46661 42.45044 40 403 iowa hamilton
404 -93.46661 42.20980 40 404 iowa hamilton
405 -93.70152 42.20980 40 405 iowa hamilton
406 -93.93070 42.20980 40 406 iowa hamilton
407 -93.93070 42.46763 40 407 iowa hamilton
408 -93.96508 42.46763 40 408 iowa hamilton
409 -93.96508 42.55930 40 409 iowa hamilton
411 -93.50098 43.26404 41 411 iowa hancock
412 -93.49525 42.91454 41 412 iowa hancock
413 -93.97081 42.91454 41 413 iowa hancock
414 -93.97081 43.25831 41 414 iowa hancock
415 -93.50098 43.26404 41 415 iowa hancock
417 -92.99678 42.21553 42 417 iowa hardin
418 -93.23169 42.20980 42 418 iowa hardin
419 -93.46661 42.20980 42 419 iowa hardin
420 -93.46661 42.45044 42 420 iowa hardin
421 -93.49525 42.45617 42 421 iowa hardin
422 -93.49525 42.55930 42 422 iowa hardin
423 -93.02543 42.56504 42 423 iowa hardin
424 -93.01970 42.47336 42 424 iowa hardin
425 -92.99678 42.47336 42 425 iowa hardin
426 -92.99678 42.21553 42 426 iowa hardin
428 -96.00481 41.50506 43 428 iowa harrison
429 -96.01627 41.53371 43 429 iowa harrison
430 -96.04491 41.53371 43 430 iowa harrison
431 -96.08502 41.55090 43 431 iowa harrison
432 -96.07929 41.56809 43 432 iowa harrison
433 -96.05064 41.60247 43 433 iowa harrison
434 -96.05064 41.61966 43 434 iowa harrison
435 -96.06783 41.61966 43 435 iowa harrison
436 -96.09648 41.61966 43 436 iowa harrison
437 -96.12513 41.63684 43 437 iowa harrison
438 -96.12513 41.66549 43 438 iowa harrison
439 -96.11940 41.71706 43 439 iowa harrison
440 -96.09075 41.75143 43 440 iowa harrison
441 -96.10221 41.78008 43 441 iowa harrison
442 -96.09648 41.82592 43 442 iowa harrison
443 -96.13086 41.86030 43 443 iowa harrison
444 -95.67822 41.86030 43 444 iowa harrison
445 -95.55790 41.86030 43 445 iowa harrison
446 -95.55218 41.60247 43 446 iowa harrison
447 -95.48914 41.59674 43 447 iowa harrison
448 -95.49487 41.50506 43 448 iowa harrison
449 -96.00481 41.50506 43 449 iowa harrison
451 -91.70763 40.82324 44 451 iowa henry
452 -91.70190 40.90346 44 452 iowa henry
453 -91.70190 41.17274 44 453 iowa henry
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917 -95.05370 41.60247 83 917 iowa shelby
918 -95.05943 41.50506 83 918 iowa shelby
919 -95.16829 41.50506 83 919 iowa shelby
920 -95.49487 41.50506 83 920 iowa shelby
921 -95.48914 41.59674 83 921 iowa shelby
922 -95.55218 41.60247 83 922 iowa shelby
923 -95.55790 41.86030 83 923 iowa shelby
925 -95.86156 43.26404 84 925 iowa sioux
926 -95.85583 42.90881 84 926 iowa sioux
927 -96.52047 42.90308 84 927 iowa sioux
928 -96.52047 42.92600 84 928 iowa sioux
929 -96.49755 42.94318 84 929 iowa sioux
930 -96.49755 42.98329 84 930 iowa sioux
931 -96.49755 43.01194 84 931 iowa sioux
932 -96.51474 43.02913 84 932 iowa sioux
933 -96.44598 43.05205 84 933 iowa sioux
934 -96.44025 43.08070 84 934 iowa sioux
935 -96.43452 43.10361 84 935 iowa sioux
936 -96.43452 43.12080 84 936 iowa sioux
937 -96.44025 43.14945 84 937 iowa sioux
938 -96.45171 43.17810 84 938 iowa sioux
939 -96.45745 43.20102 84 939 iowa sioux
940 -96.46890 43.21820 84 940 iowa sioux
941 -96.49755 43.22394 84 941 iowa sioux
942 -96.53193 43.22394 84 942 iowa sioux
943 -96.55485 43.23539 84 943 iowa sioux
944 -96.56058 43.25831 84 944 iowa sioux
945 -95.86156 43.26404 84 945 iowa sioux
947 -93.70152 42.20980 85 947 iowa story
948 -93.46661 42.20980 85 948 iowa story
949 -93.23169 42.20980 85 949 iowa story
950 -93.23169 41.86603 85 950 iowa story
951 -93.34628 41.86030 85 951 iowa story
952 -93.70152 41.86030 85 952 iowa story
953 -93.70152 42.20980 85 953 iowa story
955 -92.28632 42.30148 86 955 iowa tama
956 -92.28058 41.87175 86 956 iowa tama
957 -92.76186 41.87175 86 957 iowa tama
958 -92.76186 42.21553 86 958 iowa tama
959 -92.76186 42.30148 86 959 iowa tama
960 -92.52695 42.30148 86 960 iowa tama
961 -92.28632 42.30148 86 961 iowa tama
963 -94.48074 40.59406 87 963 iowa taylor
964 -94.63544 40.59406 87 964 iowa taylor
965 -94.91619 40.59979 87 965 iowa taylor
966 -94.92192 40.73730 87 966 iowa taylor
967 -94.93338 40.73730 87 967 iowa taylor
968 -94.93338 40.90346 87 968 iowa taylor
969 -94.48647 40.90346 87 969 iowa taylor
970 -94.48074 40.59406 87 970 iowa taylor
972 -94.48647 41.16129 88 972 iowa union
973 -94.24583 41.16129 88 973 iowa union
974 -94.01665 41.16129 88 974 iowa union
975 -94.01665 40.90346 88 975 iowa union
976 -94.48647 40.90346 88 976 iowa union
977 -94.48647 41.16129 88 977 iowa union
979 -91.70190 40.90346 89 979 iowa van buren
980 -91.70763 40.82324 89 980 iowa van buren
981 -91.70190 40.61698 89 981 iowa van buren
982 -91.93681 40.61698 89 982 iowa van buren
983 -92.17172 40.61698 89 983 iowa van buren
984 -92.17172 40.90346 89 984 iowa van buren
985 -91.70190 40.90346 89 985 iowa van buren
987 -92.16599 41.16702 90 987 iowa wapello
988 -92.17172 40.90346 90 988 iowa wapello
989 -92.63009 40.90346 90 989 iowa wapello
990 -92.63581 41.16702 90 990 iowa wapello
991 -92.39517 41.17274 90 991 iowa wapello
992 -92.16599 41.16702 90 992 iowa wapello
994 -93.33482 41.49360 91 994 iowa warren
995 -93.33482 41.16129 91 995 iowa warren
996 -93.56401 41.16129 91 996 iowa warren
997 -93.80465 41.16702 91 997 iowa warren
998 -93.80465 41.51079 91 998 iowa warren
999 -93.46661 41.51652 91 999 iowa warren
1000 -93.39785 41.51079 91 1000 iowa warren
1001 -93.33482 41.49360 91 1001 iowa warren
1003 -91.92535 41.17274 92 1003 iowa washington
1004 -91.93108 41.51652 92 1004 iowa washington
1005 -91.82221 41.51652 92 1005 iowa washington
1006 -91.51855 41.52225 92 1006 iowa washington
1007 -91.50136 41.51079 92 1007 iowa washington
1008 -91.49563 41.49934 92 1008 iowa washington
1009 -91.50136 41.47642 92 1009 iowa washington
1010 -91.48990 41.46495 92 1010 iowa washington
1011 -91.48417 41.44777 92 1011 iowa washington
1012 -91.47272 41.43058 92 1012 iowa washington
1013 -91.46698 41.17274 92 1013 iowa washington
1014 -91.70190 41.17274 92 1014 iowa washington
1015 -91.92535 41.17274 92 1015 iowa washington
1017 -93.56974 40.59979 93 1017 iowa wayne
1018 -93.56401 40.90346 93 1018 iowa wayne
1019 -93.10564 40.90346 93 1019 iowa wayne
1020 -93.09991 40.60552 93 1020 iowa wayne
1021 -93.37493 40.59979 93 1021 iowa wayne
1022 -93.56974 40.59979 93 1022 iowa wayne
1024 -93.96508 42.55930 94 1024 iowa webster
1025 -93.96508 42.46763 94 1025 iowa webster
1026 -93.93070 42.46763 94 1026 iowa webster
1027 -93.93070 42.20980 94 1027 iowa webster
1028 -94.16561 42.20980 94 1028 iowa webster
1029 -94.40625 42.20980 94 1029 iowa webster
1030 -94.40053 42.47336 94 1030 iowa webster
1031 -94.44064 42.47336 94 1031 iowa webster
1032 -94.44636 42.55357 94 1032 iowa webster
1033 -94.44064 42.64525 94 1033 iowa webster
1034 -93.97081 42.63952 94 1034 iowa webster
1035 -93.96508 42.55930 94 1035 iowa webster
1037 -93.49525 43.51041 95 1037 iowa winnebago
1038 -93.50098 43.26404 95 1038 iowa winnebago
1039 -93.97081 43.25831 95 1039 iowa winnebago
1040 -93.97654 43.51041 95 1040 iowa winnebago
1041 -93.64423 43.51041 95 1041 iowa winnebago
1042 -93.49525 43.51041 95 1042 iowa winnebago
1044 -92.08005 43.50468 96 1044 iowa winneshiek
1045 -91.72482 43.51041 96 1045 iowa winneshiek
1046 -91.60449 43.51041 96 1046 iowa winneshiek
1047 -91.61022 43.34999 96 1047 iowa winneshiek
1048 -91.59876 43.35572 96 1048 iowa winneshiek
1049 -91.59876 43.08643 96 1049 iowa winneshiek
1050 -92.07432 43.08643 96 1050 iowa winneshiek
1051 -92.08005 43.21820 96 1051 iowa winneshiek
1052 -92.08005 43.50468 96 1052 iowa winneshiek
1054 -96.34858 42.26710 97 1054 iowa woodbury
1055 -96.40588 42.33012 97 1055 iowa woodbury
1056 -96.41161 42.35304 97 1056 iowa woodbury
1057 -96.40588 42.38169 97 1057 iowa woodbury
1058 -96.39442 42.39888 97 1058 iowa woodbury
1059 -96.38869 42.41607 97 1059 iowa woodbury
1060 -96.38869 42.43898 97 1060 iowa woodbury
1061 -96.39442 42.46190 97 1061 iowa woodbury
1062 -96.43452 42.47336 97 1062 iowa woodbury
1063 -96.44025 42.47336 97 1063 iowa woodbury
1064 -96.46890 42.50774 97 1064 iowa woodbury
1065 -96.46890 42.53065 97 1065 iowa woodbury
1066 -96.46890 42.54785 97 1066 iowa woodbury
1067 -95.85583 42.55357 97 1067 iowa woodbury
1068 -95.74125 42.55930 97 1068 iowa woodbury
1069 -95.74125 42.47336 97 1069 iowa woodbury
1070 -95.67249 42.47336 97 1070 iowa woodbury
1071 -95.67249 42.20407 97 1071 iowa woodbury
1072 -96.31994 42.20980 97 1072 iowa woodbury
1073 -96.34858 42.24418 97 1073 iowa woodbury
1074 -96.34285 42.24991 97 1074 iowa woodbury
1075 -96.34858 42.26710 97 1075 iowa woodbury
1077 -93.02543 43.51041 98 1077 iowa worth
1078 -93.02543 43.25831 98 1078 iowa worth
1079 -93.50098 43.26404 98 1079 iowa worth
1080 -93.49525 43.51041 98 1080 iowa worth
1081 -93.05981 43.51041 98 1081 iowa worth
1082 -93.02543 43.51041 98 1082 iowa worth
1084 -93.49525 42.91454 99 1084 iowa wright
1085 -93.49525 42.55930 99 1085 iowa wright
1086 -93.96508 42.55930 99 1086 iowa wright
1087 -93.97081 42.63952 99 1087 iowa wright
1088 -93.97081 42.91454 99 1088 iowa wright
1089 -93.49525 42.91454 99 1089 iowa wrightLayer specific aesthetic
Layer specific data
Layer specific data as a function of inherited data
ggplot(wallace.iowaland, aes(x = long, y = lat)) +
geom_polygon(data = map_data("county", region = "iowa"),
aes(group = group), fill = "white", color = "black") +
geom_point(size = 4, shape = "square", color = "black") +
geom_point(aes(color = yield), size = 2) +
geom_label(data = function(.data) subset(.data, yield > quantile(yield, 0.95)),
aes(label = county), nudge_y = -0.1, size = 3)
Annotation layer
annotate()allows you to add elements to plots without adata.frame
ggplot(wallace.iowaland, aes(x = long, y = lat)) +
geom_polygon(data = map_data("county", region = "iowa"),
aes(group = group), fill = "white", color = "black") +
geom_point(aes(color = yield), size = 2) +
annotate("segment", x = -95, y = 40.3, xend = -94.5, yend = 40.6, color = "red") +
annotate("label", x = -95, y = 40.3, label = "Iowa", color = "red") 
Your turn!
15:00
> Go to emitanaka.org/dataviz-workshop/exercises/
> Click Exercise 3
