Nothing
#' @include internal.R
NULL
#' Project prioritization problem constraints
#'
#' A constraint can be added to a project prioritization [problem()]
#' to ensure that solutions exhibit a specific characteristic.
#'
#' @details
#' The following constraints can be added to a project prioritization
#' [problem()]:
#'
#' \describe{
#'
#' \item{[add_locked_in_constraints()]}{Add constraints to ensure
#' that certain actions are prioritized for funding.}
#'
#' \item{[add_locked_out_constraints()]}{Add constraints to ensure
#' that certain actions are not prioritized for funding.}
#'
#' }
#'
#' @seealso [decisions], [objectives],
#' [problem()], [solvers], [targets],
#' [weights].
#'
#' @examples
#' # load data
#' data(sim_projects, sim_features, sim_actions)
#'
#' # build problem with maximum richness objective and $150 budget
#' p1 <- problem(sim_projects, sim_actions, sim_features,
#' "name", "success", "name", "cost", "name") %>%
#' add_max_richness_objective(budget = 150) %>%
#' add_binary_decisions()
#'
#' # print problem
#' print(p1)
#'
#' # build another problem, and lock in the third action
#' p2 <- p1 %>%
#' add_locked_in_constraints(c(3))
#'
#' # print problem
#' print(p2)
#'
#' # build another problem, and lock out the second action
#' p3 <- p1 %>%
#' add_locked_out_constraints(c(2))
#'
#' # print problem
#' print(p3)
#'
#' \dontrun{
#' # solve problems
#' s1 <- solve(p1)
#' s2 <- solve(p2)
#' s3 <- solve(p3)
#'
#' # print the actions selected for funding in each of the solutions
#' print(s1[, sim_actions$name])
#' print(s2[, sim_actions$name])
#' print(s3[, sim_actions$name])
#' }
#' @name constraints
NULL
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.