Joey Couse

Internals bug? `will_make_matrix()` returns `False` when given a matrix

2

Hello, I'm working on a PR to address #765. While doing so I ran into an issue with `will_make_matrix()`. Shouldn't the return value be True if `y` is a matrix...

Just a draft of allowing user to pass a dataframe as the `validation` arg for `xgboost`. From what I can tell, the main issue that prevents from passing a df...

Feature Request: ability to pass dataframe to `validation` argument of `xgboost`

2

Related to #760 Current implementation of the `validation` parameter in `boost_tree` is to only set the proportion of training data to use as the validation set. It would be great...

This PR adds the num_leaves dials object. This is an engine specific tuning parameter for 'lightgbm', it's probably the main parameter for controlling the complexity of lightbgm models since they...

pass weights to xgboost internal validation set

2

In response to https://github.com/tidymodels/parsnip/pull/771#issuecomment-1231991055 This pull request passes case weights to the interval validation set of `xgboost`. This causes test failures here: https://github.com/tidymodels/parsnip/blob/e1eb30a6f6704bd0a3cf61736ea1d26e1d8eb081/tests/testthat/test_boost_tree_xgboost.R#L409 and here. https://github.com/tidymodels/parsnip/blob/e1eb30a6f6704bd0a3cf61736ea1d26e1d8eb081/tests/testthat/test_boost_tree_xgboost.R#L449 Seems like the original...

In the paper: "In order to stay as close as possible to the original Transformer model, we made use of an additional [class] token, which is taken as image representation....

`fmt_markdown()` doesnt affect group cols

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`fmt_markdown()` does not affect group cols when attempting to format with markdown. ``` r library(gt) suppressMessages(library(dplyr)) gtcars |> mutate(group_col = paste0("", ctry_origin, ' ', mfr, ""), mfr = paste0("",mfr,"")) |>...

Support for `step_weighted_log_odds()` from tidylo

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I've really enjoyed using the weighted log odds approach from the `tidylo` package, and think it would be a great addition to textrecipes. It would be awesome to get a...

Support `missForest()` imputation method

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It would be really cool if `recipes` could support missing variable imputation with the `missForest` package Good example here: https://rpubs.com/lmorgan95/MissForest#:~:text=MissForest%20is%20a%20random%20forest,then%20predicts%20the%20missing%20part. On another note, I'm wondering if there would be value...

Add `extract_plot_data()` and fill value to `autoplot()` for type = "mosaic"

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Resolves part of #240 Just putting this out there to get your thoughts on the interface. I've implemented an `extract_plot_data()` function for the confusion matrix class which returns a list...