Nothing
context("reshaping wide to long")
longdf <- data.frame(
visit_id = c("a", "b", "b", "c"),
icd9 = c("441", "4424", "443", "441")
)
widedf <- data.frame(
visit_id = c("a", "b", "c"),
icd9_001 = c("441", "4424", "441"),
icd9_002 = c(NA, "443", NA)
)
test_that("long data to wide data", {
longcmp <- data.frame(
visit_id = c("a", "b", "c"),
icd_001 = c("441", "4424", "441"),
icd_002 = c(NA, "443", NA)
)
expect_equivalent(res <- long_to_wide(longdf), longcmp)
expect_true(is.icd_wide_data(res))
longcmp2 <- data.frame(
visit_id = c("a", "b", "c"),
icd_001 = c("441", "4424", "441"),
icd_002 = c(NA, "443", NA),
icd_003 = c(NA, NA, NA)
)
expect_equivalent(res <- long_to_wide(longdf, min_width = 3), longcmp2)
expect_true(is.icd_wide_data(res))
longdf2 <- data.frame(
i = c("441", "4424", "443", "441"),
v = c("a", "b", "b", "c")
)
expect_equal(
names(long_to_wide(longdf2,
visit_name = "v",
icd_name = "i",
prefix = "ICD10_"
)),
c("v", "ICD10_001", "ICD10_002")
)
})
test_that("wide data to long data", {
expect_equivalent(
wide_to_long(widedf),
longdf
)
# same with "" instead of NA.
widedfempty <- data.frame(
visit_id = c("a", "b", "c"),
icd9_001 = c("441", "4424", "441"),
icd9_002 = c("", "443", "")
)
expect_equivalent(
wide_to_long(widedfempty),
longdf
)
})
test_that("matrix to data frame and back", {
for (pts in list(random_test_patients, test_twenty, multi_comorbid)) {
mat <- comorbid_ahrq(pts)
df <- comorbid_mat_to_df(mat)
expect_identical(comorbid_df_to_mat(df), mat)
}
})
test_that("dataframe to matrix and back", {
for (pts in list(random_test_patients, test_twenty, multi_comorbid)) {
df2 <- comorbid_ahrq(pts, return_df = TRUE)
mat2 <- comorbid_df_to_mat(df2)
df3 <- comorbid_mat_to_df(mat2,
visit_name = "visit_id",
stringsAsFactors = FALSE
)
expect_identical(df2, df3)
}
})
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