{
  "id": "machine_learning-feature-engineering-pipeline",
  "name": "Feature Engineering Pipeline",
  "category": "computer_science",
  "subcategory": "machine_learning",
  "subcategory_name": "Machine Learning",
  "description": "Feature Engineering Pipeline process visualization. This process flowchart outlines key steps, checks, and outputs.",
  "complexity": {
    "nodes": 13,
    "edges": 14,
    "conditionals": 2,
    "logicGates": {
      "orGates": 3,
      "andGates": 1,
      "notGates": 0,
      "total": 4
    },
    "level": "high",
    "detailLevel": "source_grounded_rebuild",
    "loops": 1
  },
  "colorScheme": {
    "red": {
      "hex": "#ff6b6b",
      "category": "Triggers & Inputs"
    },
    "yellow": {
      "hex": "#ffd43b",
      "category": "Structures & Objects"
    },
    "green": {
      "hex": "#51cf66",
      "category": "Processing & Operations"
    },
    "blue": {
      "hex": "#74c0fc",
      "category": "Intermediates & States"
    },
    "violet": {
      "hex": "#b197fc",
      "category": "Products & Outputs"
    }
  },
  "mermaid": "graph TD\n    N1[\"Feature Engineering Pipeline...\"]\n    N2[\"Raw Data\"]\n    N3[\"Target Definition\"]\n    N4[\"Schema + Types\"]\n    N5[\"Train/Val Split\"]\n    N6[\"Clean/Impute\"]\n    N7[\"Encode/Scale\"]\n    N8[\"Generate Features\"]\n    N9{\"Select Features\"}\n    N10[\"Feature Dataset Artifact\"]\n    N11[\"Model-Ready Features\"]\n    N12{\"Source-grounded check: Feature...\"}\n    N13[\"Feature Engineering Pipeline...\"]\n\n    N1 --> N2\n    N2 --> N3\n    N3 --> N4\n    N4 --> N5\n    N5 --> N6\n    N6 --> N7\n    N7 --> N8\n    N8 --> N9\n    N9 -->|yes| N10\n    N10 --> N11\n    N11 --> N12\n    N12 -->|yes| N13\n    N8 -->|iterate| N3\n    N4 -->|skip/opt| N7\n\n    style N1 fill:#ff6b6b,color:#fff\n    style N2 fill:#ff6b6b,color:#fff\n    style N3 fill:#ff6b6b,color:#fff\n    style N4 fill:#ffd43b,color:#000\n    style N5 fill:#ffd43b,color:#000\n    style N6 fill:#51cf66,color:#fff\n    style N7 fill:#51cf66,color:#fff\n    style N8 fill:#51cf66,color:#fff\n    style N9 fill:#51cf66,color:#fff\n    style N10 fill:#74c0fc,color:#fff\n    style N11 fill:#b197fc,color:#fff\n    style N12 fill:#ffd43b,color:#000\n    style N13 fill:#b197fc,color:#fff",
  "sources": [
    {
      "title": "Feature Selection and Feature Engineering",
      "authors": "El-Amir, Hisham; Hamdy, Mahmoud",
      "journal": "Deep Learning Pipeline",
      "year": "2019",
      "pubmed": null,
      "doi": "10.1007/978-1-4842-5349-6_8",
      "url": "https://doi.org/10.1007/978-1-4842-5349-6_8"
    },
    {
      "title": "Pattern Recognition and Machine Learning",
      "authors": "Bishop, C. M.",
      "journal": "Springer",
      "year": "2006",
      "pubmed": null,
      "doi": null,
      "url": "https://link.springer.com/book/9780387310732"
    },
    {
      "title": "The Elements of Statistical Learning",
      "authors": "Hastie, T.; Tibshirani, R.; Friedman, J.",
      "journal": "Springer",
      "year": "2009",
      "pubmed": null,
      "doi": "10.1007/978-0-387-84858-7",
      "url": "https://doi.org/10.1007/978-0-387-84858-7"
    },
    {
      "title": "Deep Learning",
      "authors": "Goodfellow, I.; Bengio, Y.; Courville, A.",
      "journal": "MIT Press",
      "year": "2016",
      "pubmed": null,
      "doi": null,
      "url": "https://www.deeplearningbook.org/"
    }
  ],
  "keywords": [
    "feature",
    "engineering",
    "pipeline"
  ],
  "relatedProcesses": [],
  "created": "2026-01-15",
  "lastUpdated": "2026-04-30",
  "verified": false,
  "notes": "Corrective rebuild: replaces the generic scaffold with a process-specific step structure and records topology for duplicate detection.",
  "namedCollections": [],
  "graphMetrics": {
    "nodes": 13,
    "edges": 14,
    "conditionals": 2,
    "andGates": 1,
    "orGates": 3,
    "notGates": 0,
    "loops": 1
  },
  "nodeDetails": [
    {
      "id": "N1",
      "label": "Feature Engineering Pipeline...",
      "detail": "Feature Engineering Pipeline research question",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N2",
      "label": "Raw Data",
      "detail": "Raw Data",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N3",
      "label": "Target Definition",
      "detail": "Target Definition",
      "type": "process",
      "role": "Triggers & Inputs"
    },
    {
      "id": "N4",
      "label": "Schema + Types",
      "detail": "Schema + Types",
      "type": "process",
      "role": "Structures & Objects"
    },
    {
      "id": "N5",
      "label": "Train/Val Split",
      "detail": "Train/Val Split",
      "type": "process",
      "role": "Structures & Objects"
    },
    {
      "id": "N6",
      "label": "Clean/Impute",
      "detail": "Clean/Impute",
      "type": "process",
      "role": "Processing & Operations"
    },
    {
      "id": "N7",
      "label": "Encode/Scale",
      "detail": "Encode/Scale",
      "type": "process",
      "role": "Processing & Operations"
    },
    {
      "id": "N8",
      "label": "Generate Features",
      "detail": "Generate Features",
      "type": "process",
      "role": "Processing & Operations"
    },
    {
      "id": "N9",
      "label": "Select Features",
      "detail": "Select Features",
      "type": "decision",
      "role": "Processing & Operations"
    },
    {
      "id": "N10",
      "label": "Feature Dataset Artifact",
      "detail": "Feature Dataset Artifact",
      "type": "process",
      "role": "Intermediates & States"
    },
    {
      "id": "N11",
      "label": "Model-Ready Features",
      "detail": "Model-Ready Features",
      "type": "process",
      "role": "Products & Outputs"
    },
    {
      "id": "N12",
      "label": "Source-grounded check: Feature...",
      "detail": "Source-grounded check: Feature Selection and Feature Engineering",
      "type": "decision",
      "role": "Structures & Objects"
    },
    {
      "id": "N13",
      "label": "Feature Engineering Pipeline...",
      "detail": "Feature Engineering Pipeline prediction/readout",
      "type": "process",
      "role": "Products & Outputs"
    }
  ],
  "flowchartStandard": {
    "name": "source_grounded_rebuild_v1",
    "applied": "2026-04-30",
    "curationStatus": "source_grounded_draft",
    "basis": "cs_exact_template",
    "topologySignature": "2bb2c0ba4603444c",
    "sourceGrounding": "Graph steps are derived from the process title, existing source metadata, and curated process/subfield templates; citations support the process topic and should be reviewed for node-level claims before marking verified."
  }
}