Number of features

Extract the number of features in an object.

number_of_features(x)

# S4 method for ConservationProblem
number_of_features(x)

# S4 method for OptimizationProblem
number_of_features(x)

# S4 method for ZonesRaster
number_of_features(x)

# S4 method for ZonesCharacter
number_of_features(x)

Arguments

x

problem() (i.e., ConservationProblem), OptimizationProblem, or Zones() object.

Value

integer number of features.

Examples

# load data
data(sim_pu_raster, sim_features)

# create problem
p <- problem(sim_pu_raster, sim_features) %>%
     add_min_set_objective() %>%
     add_relative_targets(0.2) %>%
     add_binary_decisions()

# print number of features
print(number_of_features(p))
#> [1] 5