R

Overview

• Basic R Overview
  • Tutorials on basic functions and uses of R
• Geographic Data Science with R: Visualizing and Analyzing Environmental Change
  • Covers basic calculatons, R Objects, functions, graphics, statistical analysis, time and dates, and much more. Specifically for applications with geographic data.
• LOTS of resources are available on stack overflow

Data Manipulation

• dplyr (cheatsheet)
• tidyr + dplyr (cheatsheet)
  • Create new columns in a data frame based on conditions from other columns
• Merging Datasets
• Subsetting Data
• Data Binning
• Dealing with UNIX time
• Matching/Pairing Spatial Data

Rasters

• Make rasters finer resolution with no changes to the underlying data (p.s. here you can see how useful stack overflow is!)
• Resample one raster based on another
• Extract rasters (the equivalent of zonal statistics)
  • https://www.neonscience.org/resources/learning-hub/tutorials/extract-values-rasters-r
  • https://www.rdocumentation.org/packages/raster/versions/3.5-15/topics/extract

Solving Common Issues

• Dealing with Duplicate Rows in Data Frames</ins

Plotting Data

Making Plots

• ggplot2 guide
• base R plots guide
• Scatterplots -More complex graphs with error bars
• Bar plots, creating, and formatting - ggplots2