Update learn categories

learn/group-categories.html

@@ -0,0 +1,56 @@
+<script>
+(function () {
+  const UMBRELLAS = [
+    "statistical analysis",
+    "model fitting",
+    "developer tools",
+    "tuning and workflows",
+  ];
+
+  function nameOf(el) {
+    // category text is like "statistical analysis (8)" — strip the count
+    return el.textContent.replace(/\s*\(\d+\)\s*$/, "").trim().toLowerCase();
+  }
+
+  function group() {
+    const cloud = document.querySelector(".quarto-listing-category.category-unnumbered");
+    if (!cloud || cloud.dataset.grouped === "1") return;
+
+    const items = Array.from(cloud.querySelectorAll(".category"));
+    if (items.length === 0) return;
+
+    const umbrellaEls = items.filter((el) => UMBRELLAS.includes(nameOf(el)));
+    if (umbrellaEls.length === 0) return;
+
+    const group = document.createElement("div");
+    group.className = "quarto-listing-category category-sections";
+
+    const heading = document.createElement("h6");
+    heading.className = "quarto-listing-category-subtitle";
+    heading.textContent = "Sections";
+    group.appendChild(heading);
+
+    // preserve the order defined in UMBRELLAS
+    UMBRELLAS.forEach((name) => {
+      const el = umbrellaEls.find((e) => nameOf(e) === name);
+      if (el) {
+        group.appendChild(el);
+      }
+    });
+
+    const topicsHeading = document.createElement("h6");
+    topicsHeading.className = "quarto-listing-category-subtitle";
+    topicsHeading.textContent = "Topics";
+
+    cloud.parentNode.insertBefore(group, cloud);
+    cloud.insertBefore(topicsHeading, cloud.firstChild);
+    cloud.dataset.grouped = "1";
+  }
+
+  if (document.readyState === "loading") {
+    document.addEventListener("DOMContentLoaded", group);
+  } else {
+    group();
+  }
+})();
+</script>

learn/index.html.md

@@ -14,6 +14,7 @@ listing:
         - "../start/resampling/index.qmd"
         - "../start/tuning/index.qmd"
         - "../start/case-study/index.qmd"
+include-after-body: group-categories.html
 ---
 
 After you know [what you need to get started](/start/) with tidymodels, you can learn more and go further. Find articles here to help you solve specific problems using the tidymodels framework. 

learn/index.qmd

@@ -14,6 +14,7 @@ listing:
         - "../start/resampling/index.qmd"
         - "../start/tuning/index.qmd"
         - "../start/case-study/index.qmd"
+include-after-body: group-categories.html
 ---
 
 After you know [what you need to get started](/start/) with tidymodels, you can learn more and go further. Find articles here to help you solve specific problems using the tidymodels framework. 

learn/models/conformal-regression/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Conformal inference for regression models"
 categories:
+  - model fitting
   - probably
   - parsnip
   - tuning

learn/models/conformal-regression/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Conformal inference for regression models"
 categories:
+  - model fitting
   - probably
   - parsnip
   - tuning

learn/models/pls/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Multivariate analysis using partial least squares"
 categories:
+  - model fitting
   - pre-processing
   - multivariate analysis
   - correlation

learn/models/pls/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Multivariate analysis using partial least squares"
 categories:
+  - model fitting
   - pre-processing
   - multivariate analysis
   - correlation

learn/work/bayes-opt/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Iterative Bayesian optimization of a classification model"
 categories:
+  - tuning and workflows
   - tuning
   - SVMs
 type: learn-subsection

learn/work/bayes-opt/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Iterative Bayesian optimization of a classification model"
 categories:
+  - tuning and workflows
   - tuning
   - SVMs
 type: learn-subsection

learn/work/case-weights/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Creating case weights based on time"
 categories:
+  - tuning and workflows
   - model fitting
   - time series
 type: learn-subsection

learn/work/case-weights/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Creating case weights based on time"
 categories:
+  - tuning and workflows
   - model fitting
   - time series
 type: learn-subsection

learn/work/fairness-detectors/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Are GPT detectors fair? A machine learning fairness case study"
 categories:
+  - tuning and workflows
   - yardstick
   - fairness
   - classification

learn/work/fairness-detectors/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Are GPT detectors fair? A machine learning fairness case study"
 categories:
+  - tuning and workflows
   - yardstick
   - fairness
   - classification

learn/work/fairness-readmission/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Fair prediction of hospital readmission: a machine learning fairness case study"
 categories:
+  - tuning and workflows
   - yardstick
   - fairness
   - tuning

learn/work/fairness-readmission/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Fair prediction of hospital readmission: a machine learning fairness case study"
 categories:
+  - tuning and workflows
   - yardstick
   - fairness
   - tuning

learn/work/nested-resampling/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Nested resampling"
 categories:
+  - tuning and workflows
   - SVMs
 type: learn-subsection
 weight: 2

learn/work/nested-resampling/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Nested resampling"
 categories:
+  - tuning and workflows
   - SVMs
 type: learn-subsection
 weight: 2

learn/work/sparse-matrix/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Model tuning using a sparse matrix"
 categories:
+ - tuning and workflows
  - tuning
  - classification
  - sparse data

learn/work/sparse-matrix/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Model tuning using a sparse matrix"
 categories:
+ - tuning and workflows
  - tuning
  - classification
  - sparse data

learn/work/sparse-recipe/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Using recipes to create sparse data"
 categories:
+ - tuning and workflows
  - tuning
  - classification
  - sparse data

learn/work/sparse-recipe/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Using recipes to create sparse data"
 categories:
+ - tuning and workflows
  - tuning
  - classification
  - sparse data

learn/work/tune-svm/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Model tuning via grid search"
 categories:
+  - tuning and workflows
   - tuning
   - SVMs
   - classification

learn/work/tune-svm/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Model tuning via grid search"
 categories:
+  - tuning and workflows
   - tuning
   - SVMs
   - classification

learn/work/tune-text/index.html.md

@@ -1,6 +1,7 @@
 ---
 title: "Tuning text models"
 categories:
+  - tuning and workflows
   - tuning
   - regression
   - sparse data

learn/work/tune-text/index.qmd

@@ -1,6 +1,7 @@
 ---
 title: "Tuning text models"
 categories:
+  - tuning and workflows
   - tuning
   - regression
   - sparse data

styles.scss

@@ -136,6 +136,14 @@ h3, h4, h5 {
   }
 }
 
+.quarto-listing-category-subtitle {
+  font-size: 0.85rem;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  color: rgba($theme-cranberry, 0.7);
+  margin-top: 1rem;
+  margin-bottom: 0.4rem;
+}
 // Bracketed TOC for get started pages -----------------------------------------
 
 // :not(.toc-active) makes it so only get-started pages are selected