Nothing
de_coeff <- input_coefficient_matrix_create(data_table = iotable_get(), digits = 4)
I <- leontief_inverse_create ( de_coeff )
I4 <- sapply ( I[, 2:ncol(I)], function (x) round(x, 4)) # sapply because we do not know the dimensions
I4 <- cbind(I[,1], I4)
I4 <- as.data.frame ( I4)
for (i in 2:ncol(I4)) I4[,i] <- as.numeric(as.character(I4[,i]))
names (I4) <- names ( I )
bw4 <- backward_linkages ( Im = I4 )
bw <- backward_linkages ( Im = I )
# The Eurostat Manual uses a different rounding. There is a slight mismatch) -----------------
test_that("backward_linkages() returns the correct calculated resutls", {
expect_equal(as.numeric(unlist ( bw[, 2:7] )),
c(1.7048,1.8413,1.8136,1.6035,1.5951,1.3782), tolerance=1e-3)
})
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