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**Is your feature request related to a problem? Please describe.**
The current LASSO technically is invalid with the sandwich. That is because the score is not differentiable at zero. There are alt…
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I was wondering if it would be possible to change the multinom.reg function so that it would accept a matrix with outcome counts Y (with different outcome levels in different columns), similar to the …
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I have a table that the first column is a stock price sequence, and the second column is a tag that shows where the trend starts and ends, other columns are the value of many indicators (for example M…
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In the context of geo testing... Let's say we have historical data of some KPI (such as sales, or customer sign ups) across multiple geographies. And we are considering running some geo testing on a s…
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Post questions here for this week's fundamental readings: Grimmer, Justin, Molly Roberts, Brandon Stewart. 2022. Text as Data. Princeton University Press: Chapters 23, 24, 25, 26, 27 —“Prediction”, “C…
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![image](https://user-images.githubusercontent.com/13688320/111118741-2d88c180-85a4-11eb-938b-6b80a72f4baf.png)
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It should be straightforward to implement an L2 regularization of linear ordinal regression. Doing so for L1 and/or then writing tests will be more challenging.
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Dans le fichier `R/model_optimize.R`, la fonction `optimize_hyperparameters` s'applique à des paramètres de l'ancien modèle (xgboost)
Elle est donc aujourd'hui cassée. Ce qui pose la question des h…
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Hey,
Thanks for your wonderful package.
I found a problem while using the textTrain() function. How can I get the regression coefficient of the model I have trained? Where can I find it?
Thanks …
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This issue carries on the discussion at https://github.com/JuliaStats/Roadmap.jl/issues/14 with the intend to make things more concrete. To start with this, I see a list of apparent questions and TODO…