tidymodels Questions
3
Solved
I have managed to build a decision tree model using the tidymodels package but I am unsure how to pull the results and plot the tree. I know I can use the rpart and rpart.plot packages to achieve t...
Subjoinder asked 21/8, 2020 at 17:44
4
Solved
I have a large dataset that looks like this. I was wondering if there is a clever
way to apply a t-test, in each row, aka gene, and compare the counts between humans and mice.
I want to compete in ...
Selene asked 15/1, 2023 at 17:45
1
I have the following script using tidymodels' agua package:
library(tidymodels)
library(agua)
library(ggplot2)
theme_set(theme_bw())
h2o_start()
data(concrete)
set.seed(4595)
concrete_split <- ...
Lovage asked 14/12, 2022 at 8:20
2
I have the following codes for creating a tidymodels workflow with lightgbm model. However, there is some problem when I tried to save into a .rds object and predict
library(AmesHousing)
library(tr...
Crossruff asked 27/4, 2022 at 10:40
1
Solved
I'm trying to adopt tidymodels into my processes, but I'm running into a challenge with saving workflows. The file size for workflow objects is many times larger than the data used to build the mod...
Pistole asked 29/8, 2022 at 13:20
5
Is there any R package to obtain a pairwise distance list if my input file is a distance matrix
For eg, if my input is a data.frame like this:
A1 B1 C1 D1
A1 0 0.85 0.45 0.96
B1 0 0.85 0.56
C...
Lacuna asked 11/1, 2015 at 21:6
2
I am trying to build a catboost model within the tidymodels framework. Minimal reproducible example is given below. I am able to use the DALEX and modelStudio packages to get model explanations but...
Nosepiece asked 5/3, 2022 at 5:5
1
Solved
This question refers to Obtaining summary shap plot for catboost model with tidymodels in R. Given the comment below the question, the OP found a solution but did not share it with the community so...
Keefe asked 29/3, 2022 at 12:36
1
I want to evaluate the performance of several (mostly) linear regression models on the same dataset. I thought maybe using tidymodels packages along with the workflowsets::workflow_set() might work...
Salesmanship asked 21/2, 2022 at 20:40
1
Solved
I try to use tidymodels to tune the workflow with recipe and model parameters. When tuning a single workflow there is no problem. But when tuning a workflowsets with several workflows it always fai...
Deft asked 30/7, 2021 at 10:49
2
Solved
I am using tidymodels to create a Random Forrest prediction. I have test data that contains a new factor level not present in the training data which results in the error:
1: Novel levels found in ...
Kucik asked 29/6, 2021 at 17:17
1
Solved
The code below works correctly and has no errors that I know of, but I want to add more to it.
The two things I want to add are:
1 - Predictions of the model on the training data to the final plot....
Krenek asked 25/6, 2021 at 2:48
1
Solved
I have a binary classification problem and used a random forest and a logistic regression.
From the results of conf_mat, the collect_metrics() and collect_predictions I want to change my models to ...
Seclude asked 23/3, 2021 at 8:18
1
Solved
I want to perform penalty selection for the LASSO algorithm and predict outcomes using tidymodels. I will use the Boston housing dataset to illustrate the problem.
library(tidymodels)
library(tidyv...
Dasyure asked 15/3, 2021 at 14:2
1
Solved
I've recently been using tidymodels to run models and select parameters that best satisfy some objective function. For example using a hypothetical regression on mtcars data (using the regression e...
Joettejoey asked 9/2, 2021 at 10:52
1
After designing a Tidymodels recipe-based workflow, which is tuned then fitted to some training data, I'm not clear what objects (fitted "workflow", "recipe", ..etc) should be s...
Saez asked 2/2, 2021 at 22:20
1
Solved
I always finish up my model to fit and predict without using prep(), bake(), or juice():
rec_wflow <-
workflow() %>%
add_model(lr_mod) %>%
add_recipe(rec)
data_fit <-
rec_wflow...
Schwa asked 19/10, 2020 at 1:27
3
The answer to this question clearly explains how to retrieve tidy regression results by group when running a regression through a dplyr pipe, but the solution is no longer reproducible.
How can one...
Staphylo asked 18/7, 2020 at 19:21
1
Solved
I estimated a glmnet logistic regression using tidymodels. But I couldn't figure out 2 things, which are closely related, in tidymodels:
a) how to extract the estimated coefficients
b) save the es...
Swag asked 25/7, 2020 at 11:8
1
Solved
I've put together a data preprocessing recipe for the recent coffee dataset featured on TidyTuesday. My intention is to generate a workflow, and then from there tune a hyperparameter. I'm specifica...
Sibelle asked 21/7, 2020 at 5:55
1
Solved
I read the introduction to tidymodels and I am confused about what prep(), bake() and juice() from the recipes package do to the data. What each does? I honestly found confusing to have such names ...
Gotthelf asked 4/6, 2020 at 8:14
1
Solved
The dataset can be found here:
https://www.kaggle.com/mlg-ulb/creditcardfraud
I am trying to use tidymodels to run ranger with 5 fold cross validation on this dataset.
I have have 2 code blocks....
Garrow asked 23/2, 2020 at 23:57
1
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