R/writePrimeimp.R

Defines functions `writePrimeimp`

# Copyright (c) 2019, Adrian Dusa
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, in whole or in part, are permitted provided that the
# following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * The names of its contributors may NOT be used to endorse or promote products
#       derived from this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL ADRIAN DUSA BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

`writePrimeimp` <-
function(mymat, mv = FALSE, use.tilde = FALSE, collapse = "*", snames = "") {
    if (any(mymat > 2)) {
        mv <- TRUE
    }
    if (identical(snames, "")) {
        snames <- colnames(mymat)
    }
    else {
        mymat <- t(mymat)
    }
    chars <- snames[col(mymat)]
    if (mv) {
        chars <- matrix(paste(chars, "{", mymat - 1, "}", sep=""), nrow = nrow(mymat))
    }
    else {
        lochars <- if (use.tilde) paste0("~", chars) else tolower(chars)
        chars <- ifelse(mymat == 1L, lochars, chars)
    }
    keep <- mymat > 0L
    as.vector(unlist(lapply(split(chars[keep], row(chars)[keep]), paste, collapse = collapse)))
}

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QCA documentation built on May 2, 2019, 4:47 p.m.