R/findSubsets.R

In QCA: Qualitative Comparative Analysis

# Copyright (c) 2016 - 2020, Adrian Dusa
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`findSubsets` <-
function(input, noflevels = NULL, stop = NULL, ...) {
    other.args <- list(...)
        if (is.element("row.no", names(other.args)) & missing(input)) {
            input <- other.args$row.no
        }
        if (is.element("maximum", names(other.args))) {
            stop <- other.args$maximum
        }
    stop <- ifelse(missing(stop), prod(noflevels), stop)
    result <- lapply(input, function(x) {
        .Call("C_findSubsets", x, noflevels - 1, rev(c(1, cumprod(rev(noflevels))))[-1], stop, PACKAGE = "QCA")
    })
    return(sort(unique(unlist(result))))
}