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An R package to download and work with data produced by the ALARM Project

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alarm-redist/alarmdata

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alarmdata

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alarmdata provides utility functions to download and process data produced by the ALARM Project, including 2020 redistricting files and 50-State Redistricting Simulations.

Installation

You can install alarmdata with:

install.packages("alarmdata")

You can also install the development version from GitHub with:

# install.packages("remotes")
remotes::install_github("alarm-redist/alarmdata")

Example

We can easily download simulation data for a state and make some plots.

library(alarmdata)
library(redist)

map_wa = alarm_50state_map("WA")
plans_wa = alarm_50state_plans("WA")

redist.plot.plans(plans_wa, draws=1:4, shp=map_wa)

hist(plans_wa, e_dem) +
    ggplot2::labs(x=NULL, title="Expected Democratic seats")

Downloads will go to options(alarm.cache_dir) if it is set. If it is not, and options(alarm.use_cache = TRUE), downloads will be cached between sessions in rappdirs::user_cache_dir("alarm"). If If options(alarm.use_cache = FALSE) (the default), then the cache will be in a temporary directory that does not persist between sessions. You can check the size of the cache and clear it with alarm_cache_size() and alarm_cache_clear().

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An R package to download and work with data produced by the ALARM Project

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LICENSE.md

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