{ "cells": [ { "cell_type": "markdown", "id": "2f04eee0-5928-4e74-a754-6dc2e528810c", "metadata": {}, "source": [ "# eABEC" ] }, { "cell_type": "markdown", "id": "a3f514a3-772c-4a14-afdf-5a8376851ff4", "metadata": {}, "source": [ "## Index\n", "1. [Instantiate model class](#Instantiate-model-class)\n", "2. [Define clock metadata](#Define-clock-metadata)\n", "3. [Download clock dependencies](#Download-clock-dependencies)\n", "5. [Load features](#Load-features)\n", "6. [Load weights into base model](#Load-weights-into-base-model)\n", "7. [Load reference values](#Load-reference-values)\n", "8. [Load preprocess and postprocess objects](#Load-preprocess-and-postprocess-objects)\n", "10. [Check all clock parameters](#Check-all-clock-parameters)\n", "10. [Basic test](#Basic-test)\n", "11. [Save torch model](#Save-torch-model)\n", "12. [Clear directory](#Clear-directory)" ] }, { "cell_type": "markdown", "id": "d95fafdc-643a-40ea-a689-200bd132e90c", "metadata": {}, "source": [ "Let's first import some packages:" ] }, { "cell_type": "code", "execution_count": 1, "id": "4adfb4de-cd79-4913-a1af-9e23e9e236c9", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:19.365826Z", "iopub.status.busy": "2025-04-07T17:51:19.365514Z", "iopub.status.idle": "2025-04-07T17:51:20.872433Z", "shell.execute_reply": "2025-04-07T17:51:20.872056Z" } }, "outputs": [], "source": [ "import os\n", "import inspect\n", "import shutil\n", "import json\n", "import torch\n", "import pandas as pd\n", "import pyaging as pya" ] }, { "cell_type": "markdown", "id": "145082e5-ced4-47ae-88c0-cb69773e3c5a", "metadata": {}, "source": [ "## Instantiate model class" ] }, { "cell_type": "code", "execution_count": 2, "id": "8aa77372-7ed3-4da7-abc9-d30372106139", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:20.874446Z", "iopub.status.busy": "2025-04-07T17:51:20.874199Z", "iopub.status.idle": "2025-04-07T17:51:20.885600Z", "shell.execute_reply": "2025-04-07T17:51:20.885302Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "class eABEC(pyagingModel):\n", " def __init__(self):\n", " super().__init__()\n", "\n", " def preprocess(self, x):\n", " return x\n", "\n", " def postprocess(self, x):\n", " return x\n", "\n" ] } ], "source": [ "def print_entire_class(cls):\n", " source = inspect.getsource(cls)\n", " print(source)\n", "\n", "print_entire_class(pya.models.eABEC)" ] }, { "cell_type": "code", "execution_count": 3, "id": "78536494-f1d9-44de-8583-c89a310d2307", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:20.886931Z", "iopub.status.busy": "2025-04-07T17:51:20.886843Z", "iopub.status.idle": "2025-04-07T17:51:20.888528Z", "shell.execute_reply": "2025-04-07T17:51:20.888256Z" } }, "outputs": [], "source": [ "model = pya.models.eABEC()" ] }, { "cell_type": "markdown", "id": "51f8615e-01fa-4aa5-b196-3ee2b35d261c", "metadata": {}, "source": [ "## Define clock metadata" ] }, { "cell_type": "code", "execution_count": 4, "id": "6601da9e-8adc-44ee-9308-75e3cd31b816", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:20.889911Z", "iopub.status.busy": "2025-04-07T17:51:20.889831Z", "iopub.status.idle": "2025-04-07T17:51:20.891869Z", "shell.execute_reply": "2025-04-07T17:51:20.891621Z" } }, "outputs": [], "source": [ "model.metadata[\"clock_name\"] = \"eabec\"\n", "model.metadata[\"data_type\"] = \"DNA methylation\" # Paper: The model is based on DNA methylation measurements.\n", "model.metadata[\"species\"] = \"Homo sapiens\" # Paper: The study samples are Homo sapiens.\n", "model.metadata[\"year\"] = 2020\n", "model.metadata[\"approved_by_author\"] = \"⌛\"\n", "model.metadata[\"citation\"] = \"Lee, Yunsung, et al. \\\"Blood-based epigenetic estimators of chronological age in human adults using DNA methylation data from the Illumina MethylationEPIC array.\\\" BMC genomics 21 (2020): 1-13.\"\n", "model.metadata[\"doi\"] = \"https://doi.org/10.1186/s12864-020-07168-8\"\n", "model.metadata[\"notes\"] = \"Extended Adult Blood-based EPIC Clock trained by elastic-net regression on combined MoBa-START and GEO adult whole-blood EPIC methylation data.\"\n", "model.metadata[\"research_only\"] = None\n", "model.metadata[\"tissue\"] = [\"whole blood\"] # Paper: The listed tissue is the model-development sample material.\n", "model.metadata[\"predicts\"] = [\"chronological age\"] # Paper: The reported predictor output is chronological age.\n", "model.metadata[\"training_target\"] = [\"chronological age\"] # Paper: The fitting outcome is chronological age.\n", "model.metadata[\"unit\"] = [\"years\"] # Paper: The returned construct is expressed as years.\n", "model.metadata[\"model_type\"] = \"elastic net regression\" # Paper: The clock was fitted using Elastic net.\n", "model.metadata[\"platform\"] = [\"Illumina EPIC\"] # Paper: Training/selection used Illumina EPIC.\n", "model.metadata[\"population\"] = \"adults\" # Paper: adults aged 18–88 years (MoBa-START plus GEO; n=2,227)\n", "model.metadata[\"journal\"] = \"BMC Genomics\"\n", "model.metadata[\"last_author\"] = \"Jon Bohlin\"\n", "model.metadata[\"n_features\"] = 1791\n", "model.metadata[\"citations\"] = 21\n", "model.metadata[\"citations_date\"] = \"2026-07-05\"\n" ] }, { "cell_type": "markdown", "id": "74492239-5aae-4026-9d90-6bc9c574c110", "metadata": {}, "source": [ "## Download clock dependencies" ] }, { "cell_type": "markdown", "id": "9a5b163b-1b25-4c2f-ad0c-86f0f2ed39d0", "metadata": {}, "source": [ "#### Download directly with curl" ] }, { "cell_type": "code", "execution_count": 5, "id": "28fdcad4-1f62-4da7-b556-1ecc8cf3d0e0", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:20.893226Z", "iopub.status.busy": "2025-04-07T17:51:20.893136Z", "iopub.status.idle": "2025-04-07T17:51:21.254945Z", "shell.execute_reply": "2025-04-07T17:51:21.254173Z" } }, "outputs": [ { "data": { "text/plain": [ "0" ] }, "execution_count": 5, "metadata": {}, "output_type": "execute_result" } ], "source": [ "supplementary_url = \"https://static-content.springer.com/esm/art%3A10.1186%2Fs12864-020-07168-8/MediaObjects/12864_2020_7168_MOESM1_ESM.csv\"\n", "supplementary_file_name = \"coefficients.csv\"\n", "os.system(f\"curl -o {supplementary_file_name} {supplementary_url}\")" ] }, { "cell_type": "markdown", "id": "5035b180-3d1b-4432-8ebe-b9c92bd93a7f", "metadata": {}, "source": [ "## Load features" ] }, { "cell_type": "markdown", "id": "15f4af76-b93c-438c-b57f-f129d6e9ec99", "metadata": {}, "source": [ "#### From CSV file" ] }, { "cell_type": "code", "execution_count": 6, "id": "ec85c728", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.258474Z", "iopub.status.busy": "2025-04-07T17:51:21.258185Z", "iopub.status.idle": "2025-04-07T17:51:21.288673Z", "shell.execute_reply": "2025-04-07T17:51:21.288173Z" } }, "outputs": [], "source": [ "df = pd.read_csv('coefficients.csv', index_col=0)\n", "df = df[~df['eABEC_coefficient'].isna()]\n", "df['feature'] = df.index.tolist()\n", "df['coefficient'] = df['eABEC_coefficient']\n", "model.features = df['feature'][1:].tolist()" ] }, { "cell_type": "markdown", "id": "ee6d8fa0-4767-4c45-9717-eb1c95e2ddc0", "metadata": {}, "source": [ "## Load weights into base model" ] }, { "cell_type": "code", "execution_count": 7, "id": "e09b3463-4fd4-41b1-ac21-e63ddd223fe0", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.290978Z", "iopub.status.busy": "2025-04-07T17:51:21.290809Z", "iopub.status.idle": "2025-04-07T17:51:21.294138Z", "shell.execute_reply": "2025-04-07T17:51:21.293718Z" } }, "outputs": [ { "name": "stderr", "output_type": "stream", "text": [ ":2: FutureWarning: Series.__getitem__ treating keys as positions is deprecated. In a future version, integer keys will always be treated as labels (consistent with DataFrame behavior). To access a value by position, use `ser.iloc[pos]`\n", " intercept = torch.tensor([df['coefficient'][0]])\n" ] } ], "source": [ "weights = torch.tensor(df['coefficient'][1:].tolist()).unsqueeze(0)\n", "intercept = torch.tensor([df['coefficient'][0]])" ] }, { "cell_type": "markdown", "id": "ad261636-5b00-4979-bb1d-67a851f7aa19", "metadata": {}, "source": [ "#### Linear model" ] }, { "cell_type": "code", "execution_count": 8, "id": "d7f43b99-26f2-4622-9a76-316712058877", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.295924Z", "iopub.status.busy": "2025-04-07T17:51:21.295783Z", "iopub.status.idle": "2025-04-07T17:51:21.298738Z", "shell.execute_reply": "2025-04-07T17:51:21.298327Z" } }, "outputs": [], "source": [ "base_model = pya.models.LinearModel(input_dim=len(model.features))\n", "\n", "base_model.linear.weight.data = weights.float()\n", "base_model.linear.bias.data = intercept.float()\n", "\n", "model.base_model = base_model" ] }, { "cell_type": "markdown", "id": "ad8b4c1d-9d57-48b7-9a30-bcfea7b747b1", "metadata": {}, "source": [ "## Load reference values" ] }, { "cell_type": "code", "execution_count": 9, "id": "86de757f-fb38-4bcb-b91e-fc3372d22aad", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.300523Z", "iopub.status.busy": "2025-04-07T17:51:21.300383Z", "iopub.status.idle": "2025-04-07T17:51:21.302438Z", "shell.execute_reply": "2025-04-07T17:51:21.302039Z" } }, "outputs": [], "source": [ "model.reference_values = None" ] }, { "cell_type": "markdown", "id": "af3bcf7b-74a8-4d21-9ccb-4de0c2b0516b", "metadata": {}, "source": [ "## Load preprocess and postprocess objects" ] }, { "cell_type": "code", "execution_count": 10, "id": "7a22fb20-c605-424d-8efb-7620c2c0755c", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.304273Z", "iopub.status.busy": "2025-04-07T17:51:21.304126Z", "iopub.status.idle": "2025-04-07T17:51:21.305981Z", "shell.execute_reply": "2025-04-07T17:51:21.305633Z" } }, "outputs": [], "source": [ "model.preprocess_name = None\n", "model.preprocess_dependencies = None" ] }, { "cell_type": "code", "execution_count": 11, "id": "ff4a21cb-cf41-44dc-9ed1-95cf8aa15772", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.307511Z", "iopub.status.busy": "2025-04-07T17:51:21.307382Z", "iopub.status.idle": "2025-04-07T17:51:21.309188Z", "shell.execute_reply": "2025-04-07T17:51:21.308856Z" } }, "outputs": [], "source": [ "model.postprocess_name = None\n", "model.postprocess_dependencies = None" ] }, { "cell_type": "markdown", "id": "86e3d6b1-e67e-4f3d-bd39-0ebec5726c3c", "metadata": {}, "source": [ "## Check all clock parameters" ] }, { "cell_type": "code", "execution_count": 12, "id": "2168355c-47d9-475d-b816-49f65e74887c", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.310863Z", "iopub.status.busy": "2025-04-07T17:51:21.310727Z", "iopub.status.idle": "2025-04-07T17:51:21.314879Z", "shell.execute_reply": "2025-04-07T17:51:21.314598Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "\n", "%==================================== Model Details ====================================%\n", "Model Attributes:\n", "\n", "training: True\n", "metadata: {'approved_by_author': '⌛',\n", " 'citation': 'Lee, Yunsung, et al. \"Blood-based epigenetic estimators of '\n", " 'chronological age in human adults using DNA methylation data '\n", " 'from the Illumina MethylationEPIC array.\" BMC genomics 21 '\n", " '(2020): 1-13.',\n", " 'clock_name': 'eabec',\n", " 'data_type': 'methylation',\n", " 'doi': 'https://doi.org/10.1186/s12864-020-07168-8',\n", " 'notes': None,\n", " 'research_only': None,\n", " 'species': 'Homo sapiens',\n", " 'version': None,\n", " 'year': 2020}\n", "reference_values: None\n", "preprocess_name: None\n", "preprocess_dependencies: None\n", "postprocess_name: None\n", "postprocess_dependencies: None\n", "features: ['cg00004257', 'cg00008488', 'cg00011943', 'cg00065598', 'cg00085420', 'cg00089915', 'cg00108554', 'cg00112685', 'cg00116092', 'cg00148464', 'cg00156551', 'cg00172672', 'cg00172812', 'cg00193490', 'cg00203466', 'cg00262681', 'cg00277039', 'cg00314660', 'cg00331334', 'cg00358895', 'cg00370293', 'cg00397859', 'cg00403955', 'cg00406023', 'cg00433107', 'cg00433147', 'cg00448707', 'cg00451649', 'cg00462994', 'cg00464640']... [Total elements: 1791]\n", "base_model_features: None\n", "\n", "%==================================== Model Details ====================================%\n", "Model Structure:\n", "\n", "base_model: LinearModel(\n", " (linear): Linear(in_features=1791, out_features=1, bias=True)\n", ")\n", "\n", "%==================================== Model Details ====================================%\n", "Model Parameters and Weights:\n", "\n", "base_model.linear.weight: [-0.13636688888072968, 0.4104917645454407, -0.1868274211883545, -0.6996904015541077, 0.06039871275424957, -1.105724573135376, -0.6053839325904846, 0.257280170917511, 1.429580807685852, -0.3176504671573639, -1.394605278968811, 0.5383281707763672, -0.20417840778827667, -0.24422131478786469, 0.39952561259269714, -0.7541750073432922, -0.4692278504371643, -0.41090691089630127, -0.31093716621398926, -1.232325792312622, -0.17881448566913605, 0.1435064822435379, 0.12202632427215576, 0.4819614887237549, 1.965001106262207, 0.4566323161125183, 0.6106359362602234, -0.11658059060573578, 0.16059798002243042, 0.3613723814487457]... [Tensor of shape torch.Size([1, 1791])]\n", "base_model.linear.bias: tensor([66.6889])\n", "\n", "%==================================== Model Details ====================================%\n", "\n" ] } ], "source": [ "pya.utils.print_model_details(model)" ] }, { "cell_type": "markdown", "id": "986d0262-e0c7-4036-b687-dee53ba392fb", "metadata": {}, "source": [ "## Basic test" ] }, { "cell_type": "code", "execution_count": 13, "id": "936b9877-d076-4ced-99aa-e8d4c58c5caf", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.316523Z", "iopub.status.busy": "2025-04-07T17:51:21.316417Z", "iopub.status.idle": "2025-04-07T17:51:21.321043Z", "shell.execute_reply": "2025-04-07T17:51:21.320755Z" } }, "outputs": [ { "data": { "text/plain": [ "tensor([[121.0829],\n", " [-18.7480],\n", " [ 52.5807],\n", " [108.6319],\n", " [160.1949],\n", " [-13.6727],\n", " [ 85.8163],\n", " [161.8762],\n", " [ 6.2744],\n", " [ 14.7447]], dtype=torch.float64, grad_fn=)" ] }, "execution_count": 13, "metadata": {}, "output_type": "execute_result" } ], "source": [ "torch.manual_seed(42)\n", "input = torch.randn(10, len(model.features), dtype=float)\n", "model.eval()\n", "model.to(float)\n", "pred = model(input)\n", "pred" ] }, { "cell_type": "markdown", "id": "fe8299d7-9285-4e22-82fd-b664434b4369", "metadata": {}, "source": [ "## Save torch model" ] }, { "cell_type": "code", "execution_count": 14, "id": "5ef2fa8d-c80b-4fdd-8555-79c0d541788e", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.322497Z", "iopub.status.busy": "2025-04-07T17:51:21.322395Z", "iopub.status.idle": "2025-04-07T17:51:21.326272Z", "shell.execute_reply": "2025-04-07T17:51:21.325986Z" } }, "outputs": [], "source": [ "torch.save(model, f\"../weights/{model.metadata['clock_name']}.pt\")" ] }, { "cell_type": "markdown", "id": "bac6257b-8d08-4a90-8d0b-7f745dc11ac1", "metadata": {}, "source": [ "## Clear directory\n", "" ] }, { "cell_type": "code", "execution_count": 15, "id": "11aeaa70-44c0-42f9-86d7-740e3849a7a6", "metadata": { "execution": { "iopub.execute_input": "2025-04-07T17:51:21.327608Z", "iopub.status.busy": "2025-04-07T17:51:21.327512Z", "iopub.status.idle": "2025-04-07T17:51:21.330823Z", "shell.execute_reply": "2025-04-07T17:51:21.330556Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Deleted file: coefficients.csv\n" ] } ], "source": [ "# Function to remove a folder and all its contents\n", "def remove_folder(path):\n", " try:\n", " shutil.rmtree(path)\n", " print(f\"Deleted folder: {path}\")\n", " except Exception as e:\n", " print(f\"Error deleting folder {path}: {e}\")\n", "\n", "# Get a list of all files and folders in the current directory\n", "all_items = os.listdir('.')\n", "\n", "# Loop through the items\n", "for item in all_items:\n", " # Check if it's a file and does not end with .ipynb\n", " if os.path.isfile(item) and not item.endswith('.ipynb'):\n", " os.remove(item)\n", " print(f\"Deleted file: {item}\")\n", " # Check if it's a folder\n", " elif os.path.isdir(item):\n", " remove_folder(item)" ] } ], "metadata": { "kernelspec": { "display_name": "research", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.9.7" } }, "nbformat": 4, "nbformat_minor": 5 }