{
  "id": 628426,
  "title": "Query on the Binary Features ",
  "url": "/competitions/detecting-reversal-points-in-us-equities/discussion/628426",
  "author_name": "Seventie",
  "post_date": "2025-11-17T09:24:53.579000",
  "votes": 1,
  "comment_count": 0,
  "views": 0,
  "content": "<p>Hello <a href=\"https://www.kaggle.com/ozzymet\" target=\"_blank\">@ozzymet</a> </p>\n<p>Upon reviewing the boolean signal columns, I observed that many features share the same semantic template but differ only in the final integer suffix, such as _1, _2, _3, etc. For example :</p>\n<p>happens_within_cross_threshold_from_above_<em>cross_threshold_from_above</em><em>1\nhappens_within_cross_threshold_from_above</em><em>cross_threshold_from_above</em>_2</p>\n<p>Before performing feature grouping or dimensionality reduction, could you clarify the meaning of this trailing integer?\nDoes it correspond to:\ndifferent lookback windows,\nthresholds,\nrule variations,\nor simply an enumerated index without semantic meaning?</p>\n<p>Any clarification would be greatly appreciated.\nThank you for your time and support.</p>",
  "messages": [
    {
      "id": 3333752,
      "postDate": "2025-11-17T09:24:53.580Z",
      "content": "<p>Hello <a href=\"https://www.kaggle.com/ozzymet\" target=\"_blank\">@ozzymet</a> </p>\n<p>Upon reviewing the boolean signal columns, I observed that many features share the same semantic template but differ only in the final integer suffix, such as _1, _2, _3, etc. For example :</p>\n<p>happens_within_cross_threshold_from_above_<em>cross_threshold_from_above</em><em>1\nhappens_within_cross_threshold_from_above</em><em>cross_threshold_from_above</em>_2</p>\n<p>Before performing feature grouping or dimensionality reduction, could you clarify the meaning of this trailing integer?\nDoes it correspond to:\ndifferent lookback windows,\nthresholds,\nrule variations,\nor simply an enumerated index without semantic meaning?</p>\n<p>Any clarification would be greatly appreciated.\nThank you for your time and support.</p>",
      "rawMarkdown": "Hello @ozzymet \n\nUpon reviewing the boolean signal columns, I observed that many features share the same semantic template but differ only in the final integer suffix, such as _1, _2, _3, etc. For example :\n\nhappens_within_cross_threshold_from_above_<X>_cross_threshold_from_above_<Y>_1\nhappens_within_cross_threshold_from_above_<X>_cross_threshold_from_above_<Y>_2\n\n\nBefore performing feature grouping or dimensionality reduction, could you clarify the meaning of this trailing integer?\nDoes it correspond to:\ndifferent lookback windows,\nthresholds,\nrule variations,\nor simply an enumerated index without semantic meaning?\n\nAny clarification would be greatly appreciated.\nThank you for your time and support.",
      "votes": 1
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "3333752": "Hello @ozzymet \n\nUpon reviewing the boolean signal columns, I observed that many features share the same semantic template but differ only in the final integer suffix, such as _1, _2, _3, etc. For example :\n\nhappens_within_cross_threshold_from_above_<X>_cross_threshold_from_above_<Y>_1\nhappens_within_cross_threshold_from_above_<X>_cross_threshold_from_above_<Y>_2\n\n\nBefore performing feature grouping or dimensionality reduction, could you clarify the meaning of this trailing integer?\nDoes it correspond to:\ndifferent lookback windows,\nthresholds,\nrule variations,\nor simply an enumerated index without semantic meaning?\n\nAny clarification would be greatly appreciated.\nThank you for your time and support."
  }
}