plot_hashtag {Twitmo}

Plot tweets containing certain hashtag

Description

Plot the locations of certain hashtag on a static map with base plot.

Usage

plot_hashtag(
  data,
  region = ".",
  alpha = 0.01,
  hashtag = "",
  ignore_case = TRUE,
  ...
)

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.

hashtag

Character vector of the hashtag you want to plot.

ignore_case

Logical, if TRUE will ignore case of hashtag.

...

Extra arguments passed to polygon or lines.

Details

This function can be used to generate high resolution spatial plots of hashtags 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.

Value

Maps where each dot represents a tweet.

See Also

map, iso3166

Examples

## Not run: 
library(Twitmo)

# load tweets (included in package)
mytweets <- load_tweets(system.file("extdata", "tweets_20191027-141233.json", package = "Twitmo"))

# Plot tweets on mainland USA region
plot_hashtag(mytweets,
             region = "USA(?!:Alaska|:Hawaii)",
             hashtag = "breakfast",
             ignore_case=TRUE,
             alpha=1)

# Add title
title("My hashtags on a map")

## End(Not run)