Nothing

```
# ranking some students
library(MCDA)
# the performance table
performanceTable <- rbind(c(10,10,9),c(10,9,10),c(9,10,10),c(9,9,10),c(9,10,9),c(10,9,9),
c(10,10,7),c(10,7,10),c(7,10,10),c(9,9,17),c(9,17,9),c(17,9,9),
c(7,10,17),c(10,17,7),c(17,7,10),c(7,17,10),c(17,10,7),c(10,7,17),
c(7,9,17),c(9,17,7),c(17,7,9),c(7,17,9),c(17,9,7),c(9,7,17))
criteriaMinMax <- c("max","max","max")
rownames(performanceTable) <- c("a1","a2","a3","a4","a5","a6","a7","a8","a9","a10","a11","a12","a13","a14","a15","a16","a17","a18","a19","a20","a21","a22","a23","a24")
colnames(performanceTable) <- c("c1","c2","c3")
names(criteriaMinMax) <- colnames(performanceTable)
# expected result for the tests below
expectedValues <- c(10,7,13,3,5,1,10,7,13,4,6,2,14,12,8,15,11,9,4,6,2,6,2,4)
names(expectedValues) <- rownames(performanceTable)
expectedValues <- expectedValues[c("a1","a3","a7","a9","a13","a14","a15","a16","a17","a18")]
expectedValues <- expectedValues - min(expectedValues) + 1
# first test - only preferences
preferencePairs <- matrix(c("a16","a13","a13","a9","a3","a14","a17","a17","a1","a7","a18","a15","a15","a2","a2","a2","a8","a8","a8","a11","a20","a22","a5","a5","a5","a10","a19","a24","a4","a4","a4","a12","a21","a23",
"a13","a3","a9","a14","a14","a17","a1","a7","a18","a18","a15","a2","a8","a11","a20","a22","a11","a20","a22","a5","a5","a5","a10","a19","a24","a4","a4","a4","a12","a21","a23","a6","a6","a6"),34,2)
result<-SRMPInference(performanceTable, criteriaMinMax, 3, preferencePairs, alternativesIDs = c("a1","a3","a7","a9","a13","a14","a15","a16","a17","a18"))
alternativesValues<-SRMP(performanceTable, result$referenceProfiles, result$lexicographicOrder, result$criteriaWeights, criteriaMinMax, alternativesIDs = c("a1","a3","a7","a9","a13","a14","a15","a16","a17","a18"))
stopifnot(all(alternativesValues == expectedValues))
# second test - preferences and indifferences
preferencePairs <- matrix(c("a16","a13","a3","a14","a17","a1","a18","a15","a2","a11","a5","a10","a4","a12",
"a13","a3","a14","a17","a1","a18","a15","a2","a11","a5","a10","a4","a12","a6"),14,2)
indifferencePairs <- matrix(c("a3","a1","a2","a11","a11","a20","a10","a10","a19","a12","a12","a21",
"a9","a7","a8","a20","a22","a22","a19","a24","a24","a21","a23","a23"),12,2)
result<-SRMPInference(performanceTable, criteriaMinMax, 3, preferencePairs, indifferencePairs, alternativesIDs = c("a1","a3","a7","a9","a13","a14","a15","a16","a17","a18"))
alternativesValues<-SRMP(performanceTable, result$referenceProfiles, result$lexicographicOrder, result$criteriaWeights, criteriaMinMax, alternativesIDs = c("a1","a3","a7","a9","a13","a14","a15","a16","a17","a18"))
stopifnot(all(alternativesValues == expectedValues))
```

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