plot.tweets: Plots number of tweets by hour or minute
In SMAPPNYU/smappR: Tools for analysis of Twitter data

Description Usage Arguments Author(s) Examples

Plots number of tweets by hour or minute

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## S3 method for class 'tweets'
plot(tweets, breaks = "hours", return_plot = FALSE,
  missing_minutes = FALSE, hours = 0)

`tweets`	object of class tweets
`breaks`	either "minutes" or "hours"
`return_plot`	If `TRUE`, function returns plot as an object (useful when saving to a file.)
`missing_minutes`	If `TRUE`, minutes with zero tweets in the plot where breaks is minutes will be interpolated.
`hours`	numeric. When different from zero, will add that number of hours to the timestamp of the tweets. That is, when hours is zero, then all times are expressed in NY time.

Pablo Barbera pablo.barbera@nyu.edu, Megan Metzger megan.metzger@nyu.edu

## Not run: 
## connect to the Mongo database
 mongo <- mongo.create("SMAPP_HOST:PORT", db="DATABASE")
 mongo.authenticate(mongo, username="USERNAME", password="PASSWORD", db="DATABASE")
 set <- "DATABASE.COLLECTION"

## extract all tweets that mention 'occupygezi' and do a quick plot
 tweets <- extract.tweets(set, string="occupygezi", fields="created_at")
 plot(tweets)

## End(Not run)