Twitmo (version 0.1.2)

plot_tweets: Plot tweets on a static map

Description

Plot tweets on a static map with base plot.

Usage

plot_tweets(data, region = ".", alpha = 0.01, ...)

Arguments

data

A data frame of tweets parsed by load_tweets or returned by pool_tweets.

region

Character vector specifying region. Returns a world map by default. For higher resolutions specify a region.

alpha

A double between 0 and 1 specifying the opacity of plotted points. See iso3166 for country codes.

...

Extra arguments passed to polygon or lines.

Value

Maps where each dot represents a tweet.

Details

This function can be used to generate high resolution spatial plots of tweets. Works with data frames of tweets returned by pool_tweets as well as data frames read in by load_tweets and then augmented by lat/lng coordinates with lat_lng. For larger view resize the plot window then call plot_tweets again.

See Also

map, iso3166

Examples

# NOT RUN {
# }
# NOT RUN {
library(Twitmo)

# Plot tweets on mainland USA
mytweets <- load_tweets(system.file("extdata", "tweets_20191027-141233.json", package = "Twitmo"))

plot_tweets(mytweets, region = "USA(?!:Alaska|:Hawaii)", alpha=1)
# Add title
title("My tweets on a map")
# }
# NOT RUN {
# }