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Make predict() work with sparse data #261

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merged 6 commits into from
Sep 26, 2024
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EmilHvitfeldt
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Ref: #239

This PR:

  • turns sparse matrices to sparse tibbles early in predict() (same convention as with everything else)
  • tests that predict works with sparse tibbles and sparse matrices
  • add news

@@ -120,3 +120,51 @@ test_that("sparse matrices can be passed to `fit() - xy", {
# We expect 1 materialization - the outcome
expect_snapshot(wf_fit <- fit(wf_spec, hotel_data))
})

test_that("sparse tibble can be passed to `predict()", {
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only doing 1 test since it should be able to predict regardless of how the workflow was created

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@simonpcouch simonpcouch left a comment

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Right on.🎸

Ran these tests locally and saw failures due to using CRAN recipes rather than dev--could we add a Remotes here?

Also, as of now, these tests are not run on CI because glmnet isn't installed. I'm 50-50 on whether we ought to, and support you adding a glmnet suggests if you think that's the right move to test these well.

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@EmilHvitfeldt EmilHvitfeldt merged commit 35131ce into main Sep 26, 2024
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@EmilHvitfeldt EmilHvitfeldt deleted the sparsevctrs-predict branch September 26, 2024 22:12
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2 participants