Nothing
### Test kinship functions.
## Test with default setting.
X <- matrix(c(1, 0, 0, 1), nrow = 2)
expect_equal(statgenGWAS:::astleCPP(X),
matrix(c(2/3, -2/3, -2/3, 2/3), nrow = 2))
expect_equal(statgenGWAS:::IBSCPP(X), X)
expect_equal(statgenGWAS:::vanRadenCPP(X),
matrix(c(2/3, -2/3, -2/3, 2/3), nrow = 2))
## Test with user defined denominator.
expect_equal(statgenGWAS:::astleCPP(X, denom = 4),
matrix(c(1/3, -1/3, -1/3, 1/3), nrow = 2))
expect_equal(statgenGWAS:::IBSCPP(X, denom = 4),
matrix(c(0.5, 0, 0, 0.5), nrow = 2))
expect_equal(statgenGWAS:::vanRadenCPP(X, denom = 4),
matrix(c(1/8, -1/8, -1/8, 1/8), nrow = 2))
## Test actual kinship functions.
expect_equal(kinship(X = X, method = "astle"), statgenGWAS:::astleCPP(X))
expect_equal(kinship(X = X, method = "IBS", denominator = 2),
statgenGWAS:::IBSCPP(X, denom = 2))
expect_equal(kinship(X = X, method = "vanRaden", denominator = 3),
statgenGWAS:::vanRadenCPP(X, denom = 3))
## Test that no NAs are allowed.
X1 <- X
X1[1, 1] <- NA
expect_error(kinship(X1), "markers contains missing values")
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