QCA (version 0.6-5)

solveChart: Reduce the redundant prime implicants

Description

While the minimization procedure finds a certain number of prime implicants, not all of them are necessary as some are already covered by others (therefore redundant). This function further reduces the number of prime implicants for a minimum solution.

Usage

solveChart(chart)

Arguments

chart

the prime implicants chart, a matrix with TRUE/FALSE values

Value

• a matrix containing row indices of all possible solutions

References

Ragin, Charles C. (1987) The Comparative Method. Moving beyond qualitative and quantitative strategies, Berkeley: University of California Press

See Also

createChart

Examples

# the chart we're trying to further reduce
chart <- demoChart(c("A", "B", "c"), c("ABC", "Abc", "AbC", "aBc"))
prettyTable(chart)

solveChart(chart)

## two minimum solutions: first and second or first and third prime implicants