Publications by Harold Nelson
Playing with Palletes
Playing with Palettes Harold Nelson 11/3/2021 Setup library(tidyverse) library(sf) library(tmap) Get Districts sd = st_read("saep_unsd10.shp") ## Reading layer `saep_unsd10' from data source ## `/Users/haroldnelson/Dropbox/WA Geodata/saep_unsd10.shp' using driver `ESRI Shapefile' ## Simple feature collection with 295 features and 144 field...
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OFM School District Data
OFM School District Data Harold Nelson 11/3/2021 Setup library(tidyverse) library(sf) library(raster) library(tmap) Get Districts sd = st_read("saep_unsd10.shp") ## Reading layer `saep_unsd10' from data source ## `/Users/haroldnelson/Dropbox/WA Geodata/saep_unsd10.shp' using driver `ESRI Shapefile' ## Simple feature collection with 295 fea...
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Chapter 6
Chapter 6 Harold Nelson 5/30/2021 Packages # install.packages("rasterVis") library(sf) # Classes a methods for spatial data - simple features library(raster) # Classes and methods for raster data library(rgdal) # functions for spatial data input/output library(RColorBrewer) # Creates nice color schemes library(raster...
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Counties from Tigris
Counties from Tigris Harold Nelson 11/1/2021 Setup library(sf) ## Linking to GEOS 3.8.1, GDAL 3.2.1, PROJ 7.2.1 library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ── ## ✓ ggplot2 3.3.5 ✓ purrr 0.3.4 #...
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DOH Data
DOH Data Harold Nelson 10/21/2021 Setup Get County Borders load("counties_us.Rdata") str(counties_us) ## Classes 'sf' and 'data.frame': 3108 obs. of 10 variables: ## $ STATEFP : chr "24" "31" "37" "46" ... ## $ COUNTYFP: chr "510" "169" "077" "091" ... ## $ COUNTYNS: chr "01702381" "00835906" "01008556" "01265759" ... ## $ AFFGEOID:...
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Tobias Maps
Tobias Maps Harold Nelson 10/17/2021 Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ── ## ✓ ggplot2 3.3.3 ✓ purrr 0.3.4 ## ✓ tibble 3.1.2 ✓ dplyr 1.0.6 ## ✓ tidyr 1.1.3 �...
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Tobias Streets
Tobias Streets Harold Nelson 10/14/2021 Read the Tobias Streets Data Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ── ## ✓ ggplot2 3.3.3 ✓ purrr 0.3.4 ## ✓ tibble 3.1.2 ✓ dplyr ...
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Tobias Shoreline
Tobias Shoreline Harold Nelson 10/11/2021 Use R to read the data from Tobias. Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ── ## ✓ ggplot2 3.3.3 ✓ purrr 0.3.4 ## ✓ tibble 3.1.2 ✓...
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Exponents and Logarithms
Exponents and Logarithms Harold Nelson 2/22/2022 Principle 1 A log function reverses the action of the exponential function with the same base. This is one of two factual statements regarding this principle. \[a^{log_a(x)} = x\] Principle 1L \[log_aa^x = x\] Principle 2 First, let’s look at a particular example. Consider the expression \[2...
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Pivot Join Summarize
Pivot Join Summarize Harold Nelson 10/2/2021 Setup Get the socviz package and tidyverse. Build the counties dataframe as in the previous set of exercises. library(socviz) library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyvers...
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