Description Usage Arguments Value Examples
View source: R/geom_timeline_label.R
geom_timeline_label works best when used with geom_timeline, labeling the top earthquakes, by magnitude, with a specified label field. By default, the labels are for the top 5 earthquakes for each country specified, however, the user may adjust this with the n_max aesthetic.
1 2 3 |
mapping |
Set of aesthetic mappings created by aes or aes_. If specified and inherit.aes = TRUE (the default), it is combined with the default mapping at the top level of the plot. You must supply mapping if there is no plot mapping. |
data |
The data to be displayed in this layer. There are three options: If NULL, the default, the data is inherited from the plot data as specified in the call to ggplot. A data.frame, or other object, will override the plot data. All objects will be fortified to produce a data frame. See fortify for which variables will be created. A function will be called with a single argument, the plot data. The return value must be a data.frame., and will be used as the layer data. |
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? NA, the default, includes if any aesthetics are mapped. FALSE never includes, and TRUE always includes. |
inherit.aes |
If FALSE, overrides the default aesthetics, rather than combining with them. This is most useful for helper functions that define both data and aesthetics and shouldn't inherit behaviour from the default plot specification, e.g. borders. |
the Earthquake's labels
1 2 3 4 5 6 7 8 9 10 11 12 | ## Not run:
library(dplyr)
library(ggplot2)
data_clean %>%
dplyr::filter(COUNTRY %in% c('USA', 'UK')) %>%
dplyr::filter(DATE > '2000-01-01') %>%
ggplot(aes(x = DATE, y = COUNTRY, color = TOTAL_DEATHS, size = EQ_PRIMARY)) +
geom_timeline() +
geom_timeline_label(aes(x = DATE, y = COUNTRY, magnitude = EQ_PRIMARY, label = LOCATION_NAME))
## End(Not run)
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