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tests/testthat/unit/test-chain.R
In table.express: Build 'data.table' Expressions with Data Manipulation Verbs
context(" Chain")
test_that("Chaining expression builders works.", {
expected <- DT[vs == 0L][order(mpg)]
ans <- DT %>% start_expr %>% where(vs == 0L) %>% chain %>% order_by(mpg) %>% end_expr
expect_identical(ans, expected)
data.table::setindex(DT, NULL)
})
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table.express documentation built on April 3, 2023, 5:43 p.m.
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context(" Chain")
test_that("Chaining expression builders works.", {
expected <- DT[vs == 0L][order(mpg)]
ans <- DT %>% start_expr %>% where(vs == 0L) %>% chain %>% order_by(mpg) %>% end_expr
expect_identical(ans, expected)
data.table::setindex(DT, NULL)
})
Try the table.express package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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