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| [[Category:Opasnet]]
| | #REDIRECT [[OpasnetUtils]] |
| [[Category:R tools]]
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| {{method|moderator=|stub=Yes}}
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| ==Description==
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| make.oassessment creates S4 assessment from dependencies data.frame, including decisions, stakeholders, probabilities, and variables.
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| <b>NOTE! You must include the formula code from each variable page, otherwise formulas and dependencies are not updated. </b>
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| ==Parameters==
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| ====Dependencies====
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| * a data.frame that has the structure of oassessment@name (Columns: Name, Identifier, Direction, Result)
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| ==Code==
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| <rcode
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| name="answer"
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| label="Initiate functions"
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| graphics="1"
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| >
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| library(OpasnetBaseUtils)
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| library(xtable)
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| n <- 5
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| # MAKE.OASSESSMENT ########## make.oassessment creates S4 assessment from dependencies data.frame, including decisions, stakeholders, probabilities, and variables.
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| ########### NOTE! You must include the formula code from each variable page, otherwise formulas and dependencies are not updated.
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| ########### Parameters:
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| ## dependencies: a data.frame that has the structure of oassessment@name (Columns: Name, Identifier, Direction, Result)
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| make.oassessment <- function(x) {
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| x <- fetch(x)
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| decisions <- fetch(x[x$Result == "decisions", "Identifier"])
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| stakeholders <- fetch(x[x$Result == "stakeholders", "Identifier"])
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| probabilities <- fetch(x[x$Result == "probabilities", "Identifier"])
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| dependencies <- x[!x$Result %in% c("decisions", "stakeholders", "probabilities"), ]
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| vars <- list()
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| for(i in 1:nrow(dependencies)) { # Objects with names as aliases are created and filled with data from Opasnet Base.
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| cat("Initialising variable ", as.character(dependencies$Name[i]), ".\n", sep = "")
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| ident <- as.character(dependencies$Identifier[i])
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| data <- fetch(ident, direction = as.character(dependencies$Direction[i]))
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| if(exists(paste("formula.", ident, sep = "")))
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| {formula <- get(paste("formula.", ident, sep = ""))
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| } else {
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| formula <- function(dependencies) {return(0)}
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| }
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| if(exists(paste("dependencies.", ident, sep = "")))
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| {depend <- get(paste("dependencies.", ident, sep = ""))
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| } else {
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| depend <- data.frame()
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| }
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| vars[[i]] <- make.ovariable(
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| name = as.character(dependencies$Result[i]),
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| data = data,
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| formula = formula,
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| dependencies = depend
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| )
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| }
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| names(vars) <- dependencies$Result
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| assessment <- new("oassessment",
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| dependencies = dependencies,
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| decisions = decisions,
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| stakeholders = stakeholders,
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| probabilities = probabilities,
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| vars = vars
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| )
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| return(assessment)
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| }
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| </rcode>
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| ==See also==
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| * [[OpasnetBaseUtils]]
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| * [[Object-oriented programming in Opasnet]]
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| * [[Opasnet (R library)]]
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