Nothing
mulInt <- function(...){
nam <- as.character(match.call(expand.dots = TRUE))[-1L]
lst <- list(...)
out <- vector()
ref <- unique(unlist(lst))
for(i in 1:length(lst)){
map <- rep(0, length(ref))
map[match(lst[[i]], ref, nomatch = 0)] <- 1
out <- cbind(out, map)
}
rownames(out) <- ref
colnames(out) <- nam
return(out)
}
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