Publications by Josh Carr
Rasters: Quiz 6
Set-up library(raster) library(tidyverse) library(rgdal) library(sf) library(spdplyr) library(maptools) library(terra) Q1: Download the CropScape raster for Cache Valley in 2016. Replace all pixels with a value of 0 (zero) with the value NA, then compute the frequency table for this raster. What was the most common land use category (afte...
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Wildfire Trends
The purpose of this study is to analyze Wildfire Trends from 1984-2021. As our global climate is connected to the natural environment around us, it has become increasingly important to track trends in natural hazards so that we may adjust our resources to mitigate negative impacts caused. Data for Analysis 1. Utah Surface Management Agency (S...
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Spatial Regression
Set up AQI_POP <- readRDS("~/USU/2023/GEOG 4870/Module 10_Spatial_Regression/Spatial Regression/AQI_POP.RDS") county <- readRDS("~/USU/2023/GEOG 4870/Module 10_Spatial_Regression/Spatial Regression/county.RDS") library(tidyverse) library(ggExtra) library(spdplyr) library(spdep) library(terra) library(spdep) library(spatialreg) Today we will...
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Vectors in R
Set-up Be sure to install and load the following: library(tidyverse) library(sp) library(rgdal) library(spdplyr) Q1: Download the Counties_shp.zip file on the Utah GIS repository](https://gis.utah.gov/data/). This is a great data resource, so you may want to look around for your project. You can unzip the file using 7Zip or a similar tool. ...
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Managing Data
Instructions For each exercise below, show code. Once you’ve completed things, don’t forget to input everything into the quiz on Canvas and to upload this document (knitted version please!) at the end of the quiz. A few tips: Don’t forget to knit your document frequently! Don’t forget to install.packages() and load them using library()...
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Visualizing Data
Instructions For each exercise below, show code. Once you’ve completed things, don’t forget to input everything into the quiz on Canvas and to upload this document (knitted version please!) at the end of the quiz. A few tips: Don’t forget to knit your document frequently! Don’t forget to install.packages() and load them using library()...
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Quis 3.1
Introduction I would like to learn more about how spatial data is used for infrastructure projects. A potential research project could be how GIS is utilized to prioritize sites for sustainable energies such as wind, solar, and green hydrogen. Data This code loads the cars dataset from the datasets package. This is a special package - by loa...
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