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54 lines
1.7 KiB
R
Executable File
54 lines
1.7 KiB
R
Executable File
context("freq.R")
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test_that("frequency table works", {
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expect_equal(nrow(freq(c(1, 1, 2, 2, 3, 3, 4, 4, 5, 5), as.data.frame = TRUE)), 5)
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expect_equal(nrow(frequency_tbl(c(1, 1, 2, 2, 3, 3, 4, 4, 5, 5), as.data.frame = TRUE)), 5)
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# date column of septic_patients should contain 1662 unique dates
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expect_equal(nrow(freq(septic_patients$date, as.data.frame = TRUE)), 1662)
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expect_equal(nrow(freq(septic_patients$date, as.data.frame = TRUE)),
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length(unique(septic_patients$date)))
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# int
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expect_output(print(freq(septic_patients$age)))
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# date
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expect_output(print(freq(septic_patients$date)))
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# factor
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expect_output(print(freq(septic_patients$hospital_id)))
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library(dplyr)
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expect_output(septic_patients %>% select(1:2) %>% freq() %>% print())
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expect_output(septic_patients %>% select(1:3) %>% freq() %>% print())
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expect_output(septic_patients %>% select(1:4) %>% freq() %>% print())
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expect_output(septic_patients %>% select(1:5) %>% freq() %>% print())
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expect_output(septic_patients %>% select(1:6) %>% freq() %>% print())
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expect_output(septic_patients %>% select(1:7) %>% freq() %>% print())
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expect_output(septic_patients %>% select(1:8) %>% freq() %>% print())
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expect_output(septic_patients %>% select(1:9) %>% freq() %>% print())
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# top 5
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expect_equal(
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septic_patients %>%
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freq(bactid) %>%
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top_freq(5) %>%
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length(),
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5)
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# there're more than 5 lowest values
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expect_gt(
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septic_patients %>%
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freq(bactid) %>%
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top_freq(-5) %>%
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length(),
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5)
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# n has length > 1
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expect_error(
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septic_patients %>%
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freq(bactid) %>%
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top_freq(n = c(1, 2))
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)
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# input must be freq tbl
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expect_error(septic_patients %>% top_freq(1))
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})
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