geom_timeline: Geom Timeline

Description Usage Arguments Value Examples

Description

Plotting a time line of earthquakes. Each point represents an earthquake. Optional aesthetics include color, size, and alpha (for transparency). The x aesthetic is a date and an optional y aesthetic is a factor indicating some stratification in which case multiple time lines will be plotted for each level of the factor (e.g. country)

Usage

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geom_timeline(mapping = NULL, data = NULL, stat = "identity",
  position = "identity", na.rm = FALSE, show.legend = NA,
  inherit.aes = TRUE, ...)

Arguments

mapping

Set of aesthetic mappings.

data

The data to be displayed in this layer.

stat

The statistical transformation to use on the data for this layer, as a string.

position

Position adjustment, either as a string, or the result of a call to a position adjustment function.

na.rm

If FALSE, the default, missing values are removed with a warning. If TRUE, missing values are silently removed.

show.legend

Logical. Should this layer be included in the legends?

inherit.aes

If FALSE, overrides the default aesthetics.

...

Other arguments passed on to layer.

Value

A ggplot2 layer

Examples

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## Not run: eq_data <- readr::read_delim('signif.txt', delim = '\t')
## Not run: 
    eq_data %>%
        eq_clean_data() %>%
        dplyr::filter(lubridate::year(DATE) > 2010 & COUNTRY %in% c('CHILE', 'USA')) %>%
        ggplot2::ggplot(ggplot2::aes(x = DATE, y = COUNTRY,
                                     colour = DEATHS, size = EQ_PRIMARY)) +
        geom_timeline(alpha = 0.5) +
        theme_timeline


## End(Not run)

blnash508/EarthquakesNOAA documentation built on May 14, 2019, 5:25 p.m.