pmr (version 1.2.5)

destat: Descriptive statistics of a ranking dataset

Description

Computing the descriptive statistics (mean rank, pairs matrix, and marginals matrix) of a ranking dataset.

Usage

destat(dset)

Arguments

dset

a ranking dataset (aggregated)

Value

mean.rank

Mean rank of the items.

pair

The number of observations which the first item (row) is more preferred than the second item (column).

mar

The number of observations which the item i (row) is ranked j (column).

Examples

## create an artificial dataset
X1 <- c(1,1,2,2,3,3)
X2 <- c(2,3,1,3,1,2)
X3 <- c(3,2,3,1,2,1)
n <- c(6,5,4,3,2,1)
test <- data.frame(X1,X2,X3,n)

## compute the descriptive statistics of the artificial dataset
## destat(test)