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Getting started with tidyclust2 months ago
Introduction | The tidyclust workflow | K-means example | 1. Create a specification | 2. Fit to data | 3. Extract results | 4. Evaluate | Hierarchical clustering example | Tidymodels integration | Next steps
Case study: Using debrief for iterative R performance optimization4 months ago
About this case study | Overview | Problem statement | User prompt | Iteration 1: Initial profiling | Running debrief | Debrief output (key sections) | How I interpreted this output | Optimization applied | Result | Iteration 2: Finding the next bottleneck | Debrief output after first optimization | Iteration 3: Diminishing returns | Debrief output (using 10 trees for better sampling) | Why I only used pv_print_debrief() | Functions I didn't use | When pv_print_debrief() alone is sufficient | When to use the other functions | Final results
Parallel tree evaluation in databases4 months ago
The problem | The solution | Batched summation | Example | Supported models | Output behavior | When to use | Good candidates for separate_trees = TRUE | When to stick with the default | Tradeoffs | Benchmarking recommendation
Supported Models and recipes steps4 months ago
Supported models | Recipes steps | tailor adjustments
catboost models4 months ago
tidypredict_ functions | Supported objectives | Regression objectives (identity transform) | Binary classification (sigmoid transform) | Multiclass classification | Binary classification example | Multiclass classification example | Categorical features | With parsnip/bonsai (recommended) | With raw CatBoost | Parse model spec | Limitations
Cubist models4 months ago
tidypredict_ functions | Parse model spec | Limitations
Float precision at split boundaries4 months ago
The issue | Which models are affected? | Example | What tidypredict does | Pros and cons | Recommendations
LightGBM models4 months ago
tidypredict_ functions | Supported objectives | Regression objectives (identity transform) | Regression objectives (exp transform) | Binary classification (sigmoid transform) | Multiclass classification | Binary classification example | Categorical features | parsnip | Parse model spec | Limitations
XGBoost models4 months ago
tidypredict_ functions | parsnip | Parse model spec
How tidypredict generates tree formulas4 months ago
Nested vs flat case_when | Flat case_when (old approach) | Nested case_when (current approach) | Why nested is better | Parsed model versions
Decision trees, using rpart4 months ago
How it works | Under the hood | Classification | parsnip | Categorical predictors | Surrogate splits
Metric types6 months ago
Example | Metrics
Understanding lime7 months ago
How lime explains stuff | How to permute an observation | Calculating similarities with permutations | Selecting the features to use | Fitting a model to the permuted and feature-reduced data | An example - Tabular Data | An example - text data | Interactive text model explanations | Session Info
Random Forest7 months ago
How it works | Under the hood | parsnip
Random Forest, using Ranger7 months ago
How it works | Under the hood | parsnip
glmnet models8 months ago
tidypredict_ functions | parsnip | Parse model spec
Linear Regression8 months ago
Highlights & Limitations | How it works | Prediction intervals | Under the hood | How it performs | parsnip
Design behind sparsevctrs1 years ago
Altrep Functions | Converting Functions | Helper Functions | FAQ
Available methods1 years ago
broom and dplyr1 years ago
Introduction to broom1 years ago
broom: let's tidy up a bit | Tidying functions | Other Examples | Generalized linear and non-linear models | Hypothesis testing | Conventions | All functions | tidy functions | augment functions | glance functions
Tidy bootstrapping1 years ago
Introduction to bonsai1 years ago
Grouping behavior in yardstick1 years ago
Group-awareness | Groupwise metrics
Multiclass averaging1 years ago
Introduction | Macro averaging | Micro averaging | Specialized multiclass implementations
Cookbook - Using more complex recipes involving text1 years ago
Counting select words | Removing words in addition to the stop words list | Letter distributions | TF-IDF of ngrams of stemmed tokens
Under the hood - tokenlist1 years ago
tokens attribute | lemma and pos attributes
Working with n-grams1 years ago
Only using step_tokenize() | Using step_tokenize() and step_ngram()
Writing new tidier methods1 years ago
fastTextR - Cheatsheet3 years ago
fastTextR - Word representations3 years ago
Load pretrained model | Printing word vectors | Printing sentence vectors | Nearest neighbor queries | Word analogies | References
Database write-back3 years ago
Example setup | Model preparation | Scenario 1 - Update scores | Scenario 2- Append new scores
Generalized Linear Regression3 years ago
Highlights & Limitations | How it works | Under the hood | How it performs
MARS models via the earth package3 years ago
tidypredict_ functions | GLM models | parsnip | Parse model spec
fastTextR - Text Classification4 years ago
Download Data | Normalize Data | Train Model | Read Model | Predict / Test Model | References
Create a regression spec - version 24 years ago
Create a tree spec - version 24 years ago
Non-R Models4 years ago
python example | Read in R | tidypredict | broom
Save and re-load models4 years ago
Parse model | Saving the model | Re-load the model | broom
How to add a data set4 years ago
Guidelines for textdata datasets | Classification datasets
kmeans with dplyr and broom6 years ago
Tidying k-means clustering
ggpage features8 years ago
Variable paragraph length | Show paper | Show page number | Variable page length | Centering | Paragraph to line