Tidy a(n) map object
Tidy summarizes information about the components of a model. A model component might be a single term in a regression, a single hypothesis, a cluster, or a class. Exactly what tidy considers to be a model component varies across models but is usually self-evident. If a model has several distinct types of components, you will need to specify which components to return.
## S3 method for class 'map' tidy(x, ...)
x |
A |
... |
Additional arguments. Not used. Needed to match generic
signature only. Cautionary note: Misspelled arguments will be
absorbed in |
A tibble::tibble()
with columns:
term |
The name of the regression term. |
long |
Longitude. |
lat |
Latitude. |
Remaining columns give information on geographic attributes and depend on the inputted map object. See ?maps::map for more information.
if (requireNamespace("maps", quietly = TRUE)) { library(maps) library(ggplot2) ca <- map("county", "ca", plot = FALSE, fill = TRUE) tidy(ca) qplot(long, lat, data = ca, geom = "polygon", group = group) tx <- map("county", "texas", plot = FALSE, fill = TRUE) tidy(tx) qplot(long, lat, data = tx, geom = "polygon", group = group, colour = I("white") ) }
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