Rich Majerus
View slides on your device: https://goo.gl/2DUJCb
Alumni Relations:
We are planning an event in Boston. Can we get a list of all of our rated prospects there?
New Major Gifts Director:
I want to realign our team's portfolios. How are our prospects distributed across the country?
Major Gift Officer:
I'm in L.A. and need an extra visit or two. Who should I reach out to?
# load leaflet library
library(leaflet)
# initialize html widget
# add default map tile
leaflet() %>%
addTiles()
# load tidyverse
library(tidyverse)
# load ipeds data on all four-year colleges
colleges <- read_csv("https://raw.githubusercontent.com/majerus/NEDRA2018/master/four_year_colleges_2017.csv")
# load leaflet library
library(leaflet)
# pipe college data into chain of R functions
colleges %>%
# initialize htmlwidget
leaflet() %>%
# add map tile
addTiles() %>%
# add circles to mark the location of each four-year college
addCircleMarkers()
colleges %>%
leaflet() %>%
addTiles() %>%
addCircleMarkers(
# add college names as labels that appear on hover
label = ~institution.name,
# cluster markers
clusterOptions = markerClusterOptions())
library(ggmap)
geocode("Colby College")
Information from URL:
http://maps.googleapis.com/maps/api/geocode/json?address=Colby%20College&sensor=false
lon lat
-69.66264 44.56387
lon lat
-69.66264 44.56387
type address
establishment 4000 mayflower hill dr, waterville, me 04901, usa
level_2 level_1
Kennebec County Maine
country postal_code
United States 04901
geocode(location = "Colby College",
output = "more",
source = "google")
leaflet() %>%
addTiles() %>%
addPopups(lng = -69.66264,
lat = 44.56387,
popup = "Colby College!")
Same Data Served Data Shared Data
R is a free open-source statistical software.
RStudio is an interface to using R.
Shiny transforms R code into web applications
Data
Application Code
Place to deploy apps
Database
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Excel, json, csv, etc.
User interface code
Server code
Shinyapps.io
Open source server
Professional server
RStudio Connect
Rich Majerus
www.richmajerus.com
rmajerus@colby.edu
@richmajerus
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