Nothing

```
# function hasSubsetInM
# y integer matrix
# x integer matrix, ncol(x) <= ncol(y)
# returns logical vector of length nrow(y),
# position i is TRUE if there is one element in the rows of x which is a subset of x[i, ]
hasSubsetInM <- function(y, x){
stopifnot(is.matrix(x), is.matrix(y),
typeof(x) == "integer", typeof(y) == "integer",
ncol(x) <= ncol(y))
C_hasSubsetInM(y, x)
}
# function findAllSubsets
# x integer matrix
# k integer vector, k<=length(cols)
# cols column subsetting in x, all 1<=k<=ncol(x)
# exclValues excluded values: rows containing one of these will be eliminated
# returns a matrix with k columns containing all subsets of
# k elements appearing in a row of x[, cols]
findAllSubsets <- function(x, k, cols = seq_len(ncol(x)), exclValues = integer(0)){
if (k == 1){
out <- matrix(sort(unique.default(x[, cols])), ncol = 1)
} else {
out <- combn(
cols, k,
FUN = function(a) C_uniqueCombs(x, a),
simplify = FALSE)
out <- do.call(rbind, out)
}
if (length(exclValues)){
match_excl <- array(FALSE, dim = dim(out))
match_excl[] <- match(out, table = exclValues, nomatch = 0L) > 0L
out <- out[!rowAnys(match_excl), , drop = FALSE]
}
out
}
# conj_conCov: Fast calculation of coverages of conjunctions of conjunctions
# x A "scores" matrix with numeric values between 0 and 1
# cols Integer matrix with selections of columns of x as rows
# y Numeric vector with values between 0 and 1: scores of outcome variable
# f Integer vector: frequencies of the rows of x
# value A matrix with 2 rows and length(cols) columns:
# consistencies and coverages of conjunctions of columns of x
conj_conCov <- function(cols, x, y, f){
out <- apply(cols, 1, C_conj_conCov, x, y, f)
if (!is.matrix(out)) out <- matrix(out, nrow = 2L)
rownames(out) <- c("con", "cov")
out
}
# disj_conCov: same as conj_conCov for disjunctions instead of conjunctions
# x A "scores" matrix with numeric values between 0 and 1
# cols Integer vector: selection of columns of x
# y Numeric vector with values between 0 and 1: scores of outcome variable
# f Integer vector: frequencies of the rows of x
# value A matrix with 2 rows and length(cols) columns:
# consistencies and coverages of conjunctions of columns of x
disj_conCov <- function(cols, x, y, f){
out <- apply(cols, 1, C_disj_conCov, x, y, f)
if (!is.matrix(out)) out <- matrix(out, nrow = 2L)
rownames(out) <- c("con", "cov")
out
}
```

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