get_title: Automatically generate the title for the map or plot.

In wenlong-liu/ggfertilizer: Retrieve, Summarize and Visualize the Fertilizer Data in USA

Description

The title of map of plot heavily depends on the input parameters. To help user generate the title, this function will guess the range and type of inputs and provide a title. Always, this title can be override by ggtitle().

Usage

get_title(Year = NULL, Nutrient = NULL, Input_Type = NULL,
  Farm_Type = NULL, State = NULL, County = NULL, State_title = NULL,
  County_title = NULL, FIPS = NULL, level = "county")

Arguments

Year	the temporal coverage of the data to visualize. See link for available period.
Nutrient	the nutrient type of fertilizer from usfertilizer. Has to be N, P or both (NULL).
Input_Type	the input source of fertilizer, should be manure, fertilizer.
Farm_Type	the spatial source of fertilizer, should be farm, nonfarm or both.
State	the states that will show in the plot,default: all states.
County	the counties that will show in the plot, default: all counties.
State_title	the user-defined title for state.
County_title	the user-defined title for county.
FIPS	FIPS numbers of interest, defalut: all the counties.
level	the spatial resolution of map, should be county or state, default county.

Value

a ggtile obejct.

See Also

link(get_data), link(get_FIPS)

Examples

require(ggfertilizer)
Year = 2002
Nutrient = "N"
get_title(Year = Year, Nutrient = Nutrient)

wenlong-liu/ggfertilizer documentation built on May 28, 2019, 8:43 a.m.