echasnovski
R/calculate.R
changed.
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tests/testthat/test-calculate.R
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@@ -306,6 +306,15 @@
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| 306 | 306 | res[["statistic"]] |
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| 307 | 307 | } |
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| 308 | 308 | ||
| 309 | + | # Warn about possible unused factor levels |
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| 310 | + | if (has_unused_levels(x[[expl_var]])) { |
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| 311 | + | warning_glue("Explanatory variable has unused factor levels.") |
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| 312 | + | } |
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| 313 | + | if (has_unused_levels(x[[resp_var]])) { |
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| 314 | + | warning_glue("Response variable has unused factor levels.") |
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| 315 | + | } |
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| 316 | + | ||
| 317 | + | # Compute result |
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| 309 | 318 | result <- x %>% |
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| 310 | 319 | dplyr::nest_by(.key = "data") %>% |
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| 311 | 320 | dplyr::summarise(stat = chisq_indep(data), .groups = "drop") |
@@ -308,6 +308,17 @@
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| 308 | 308 | } |
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| 309 | 309 | } |
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| 310 | 310 | ||
| 311 | + | has_unused_levels <- function(x) { |
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| 312 | + | if (is.factor(x)) { |
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| 313 | + | present_levels <- unique(as.character(x)) |
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| 314 | + | unused_levels <- setdiff(levels(x), present_levels) |
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| 315 | + | ||
| 316 | + | length(unused_levels) > 0 |
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| 317 | + | } else { |
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| 318 | + | FALSE |
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| 319 | + | } |
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| 320 | + | } |
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| 321 | + | ||
| 311 | 322 | # Helpers for hypothesize() ----------------------------------------------- |
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| 312 | 323 | ||
| 313 | 324 | match_null_hypothesis <- function(null) { |
@@ -519,4 +530,4 @@
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| 519 | 530 | } |
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| 520 | 531 | ||
| 521 | 532 | TRUE |
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| 522 | - | } |
| Files | Coverage |
|---|---|
| R | 99.84% |
| Project Totals (15 files) | 99.84% |
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