library (surveyreader)
library(testthat)
context("Convert image trend variables.")
test_that("correct conversion takes place", {
expect_equal(rescale_image (column =
c("Very positive",
"Fairly positive",
"Fairly negative",
"Very negative",
"DK", "NA"),
underscore = FALSE,
return_class = "character"),
c("very_positive", "fairly_positive",
"fairly_negative", "very_negative",NA, NA)
)
expect_equal(rescale_image (column =
c("Very positive",
"Fairly positive",
"Fairly negative",
"Very negative",
"DK", "NA"),
return_class = "numeric"),
c(2,1,-1,-2,NA,NA)
)
})
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