Elaine eamcvey

Data scientist, R user, trail enthusiast, mom

eamcvey / day-25-hexagons.R

Created January 4, 2026 17:44 — forked from walkerke/day-25-hexagons.R

	# Day 25: Hexagons - US Wind Energy Infrastructure
	# Multi-resolution H3 hexagonal aggregation of 76,000+ wind turbines
	# Aggregating total installed capacity (MW) per hexagon
	# Points fade in at high zoom for individual turbine exploration

	library(mapgl)
	library(h3o)
	library(sf)
	library(dplyr)
	library(readr)

eamcvey / day-26-transport.R

Created January 4, 2026 17:44 — forked from walkerke/day-26-transport.R

	# Day 26: Transport - US Electric Power Transmission Lines
	# Visualizing America's invisible highway: 700,000+ miles of power lines
	# Dynamic line widths by voltage class, glowing effect for the energy flow

	library(mapgl)
	library(sf)
	library(dplyr)

	# Load transmission lines from HIFLD (Homeland Infrastructure Foundation-Level Data)
	# This is a large dataset - we'll use direct URL for the GeoJSON

eamcvey / day-27-boundaries.R

Created January 4, 2026 17:43 — forked from walkerke/day-27-boundaries.R

	# Day 27: Boundaries - World Time Zones
	# Shows current time in each timezone

	library(mapgl)
	library(sf)
	library(dplyr)
	library(lubridate)

	# Get user's current timezone and time
	user_tz <- Sys.timezone()

eamcvey / duckdb-tiles.R

Created January 4, 2026 17:43 — forked from walkerke/duckdb-tiles.R

	# DuckDB Vector Tiles with mapgl Example
	# This script demonstrates how to serve vector tiles from DuckDB using ST_AsMVT()
	# and display them in a mapgl map using httpuv

	library(mapgl)
	library(duckdb) # Requires the latest DuckDB version (>= 1.4.0)
	library(httpuv)
	library(sf)
	library(duckspatial)
	library(tigris)

eamcvey / gist:540191bda4f6fa4f09db44492d04975c

Created November 19, 2020 01:20

reprex_string_parsing_speed

	``` r


	# Setup -------------------------------------------------------------------

	library(tidyverse)
	library(reprex)
	library(tictoc)
	#> Warning: package 'tictoc' was built under R version 4.0.2

eamcvey / rayshade_gpx

Created July 2, 2020 22:25

How to make a 3-D map with GPX and USGS data in R using rayshader