tercile_plot {SeaVal}

Function for plotting terciles

Description

Function for plotting terciles

Usage

tercile_plot(
  dt,
  data_col = tc_cols(dt),
  mn = NULL,
  low = "orange",
  mid = "cyan",
  high = "green1",
  name = "",
  labels = c("Wetter", "Average", "Drier"),
  na.value = "white",
  extent = NULL,
  expand.x = c(-0.5, 0.5),
  expand.y = c(-0.5, 2),
  dimension_check = TRUE
)

Arguments

dt

data table

data_col

Name of the column containing the observed tercile category

mn

optional title for the plot.

low, mid, high

colors for the three categories

name

optional title for the colorscale

labels

How to label the three categories

na.value

How to color missing values

extent

Optional vector of length 4 specifying the plotting borders in order xmin, xmax, ymin, ymax.

expand.x, expand.y

How far should the plotting borders be extended (beyond the data range)?

dimension_check

Logical. By default the function checks that there are not multiple values per coordinate (and subsets to the first level if there are several, e.g. to the first year and month (by appearance in dt) if dt contains data for several years and months).

Examples

dt = chirps_monthly[month == 12 & lat <0 & year == 2018]
p = tercile_plot(dt = dt)
if(interactive()) plot(p)