{ "cells": [ { "cell_type": "markdown", "id": "2f04eee0-5928-4e74-a754-6dc2e528810c", "metadata": {}, "source": [ "# YingCausAge" ] }, { "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": "2024-03-05T21:23:58.758380Z", "iopub.status.busy": "2024-03-05T21:23:58.757796Z", "iopub.status.idle": "2024-03-05T21:24:00.073542Z", "shell.execute_reply": "2024-03-05T21:24:00.073242Z" } }, "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": "2024-03-05T21:24:00.075336Z", "iopub.status.busy": "2024-03-05T21:24:00.075168Z", "iopub.status.idle": "2024-03-05T21:24:00.085030Z", "shell.execute_reply": "2024-03-05T21:24:00.084775Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "class YingCausAge(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.YingCausAge)" ] }, { "cell_type": "code", "execution_count": 3, "id": "78536494-f1d9-44de-8583-c89a310d2307", "metadata": { "execution": { "iopub.execute_input": "2024-03-05T21:24:00.086436Z", "iopub.status.busy": "2024-03-05T21:24:00.086352Z", "iopub.status.idle": "2024-03-05T21:24:00.087854Z", "shell.execute_reply": "2024-03-05T21:24:00.087634Z" } }, "outputs": [], "source": [ "model = pya.models.YingCausAge()" ] }, { "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": "2024-03-05T21:24:00.089255Z", "iopub.status.busy": "2024-03-05T21:24:00.089178Z", "iopub.status.idle": "2024-03-05T21:24:00.091166Z", "shell.execute_reply": "2024-03-05T21:24:00.090949Z" } }, "outputs": [], "source": [ "model.metadata[\"clock_name\"] = \"yingcausage\"\n", "model.metadata[\"data_type\"] = \"DNA methylation\" # Paper: All three clocks use whole-blood DNA-methylation beta values.\n", "model.metadata[\"species\"] = \"Homo sapiens\" # Paper: The models were trained in human Generation Scotland blood samples.\n", "model.metadata[\"year\"] = 2024\n", "model.metadata[\"approved_by_author\"] = \"⌛\"\n", "model.metadata[\"citation\"] = \"Ying, K., Liu, H., Tarkhov, A.E. et al. Causality-enriched epigenetic age uncouples damage and adaptation. Nature Aging 4, 231–246 (2024).\"\n", "model.metadata[\"doi\"] = \"https://doi.org/10.1038/s43587-023-00557-0\"\n", "model.metadata[\"notes\"] = \"Causality-enriched chronological-age clock using EWMR-prioritized CpGs and feature-specific penalties derived from causality scores.\"\n", "model.metadata[\"research_only\"] = None\n", "model.metadata[\"tissue\"] = [\"whole blood\"] # Paper: The model was trained in whole-blood methylation.\n", "model.metadata[\"predicts\"] = [\"chronological age\"] # Paper: CausAge is the causality-enriched chronological-age predictor.\n", "model.metadata[\"training_target\"] = [\"chronological age\"] # Paper: The elastic-net outcome was chronological age.\n", "model.metadata[\"unit\"] = [\"years\"] # Paper: Prediction accuracy is evaluated as mean absolute error in years.\n", "model.metadata[\"model_type\"] = \"causality-weighted elastic net regression\" # Paper: Feature-specific elastic-net penalty factors were assigned from each CpG's causality score.\n", "model.metadata[\"platform\"] = [\"Illumina 450K\"] # Paper: Training used Generation Scotland whole-blood methylation at CpGs available to the 450K-based analysis.\n", "model.metadata[\"population\"] = \"adults\" # Paper: Age-related methylation was estimated in 7,036 Generation Scotland participants aged 18–93, and 2,664 blood samples were used for clock training.\n", "model.metadata[\"journal\"] = \"Nature Aging\"\n", "model.metadata[\"last_author\"] = \"Vadim N. Gladyshev\"\n", "model.metadata[\"n_features\"] = 585\n", "model.metadata[\"citations\"] = 183\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": "fbacbbc5-7cf1-41bd-81c4-45adde992de6", "metadata": {}, "source": [ "#### Download directly with curl" ] }, { "cell_type": "code", "execution_count": 5, "id": "348e113d-a00a-481d-84ac-e8459a4a5050", "metadata": { "execution": { "iopub.execute_input": "2024-03-05T21:24:00.092676Z", "iopub.status.busy": "2024-03-05T21:24:00.092596Z", "iopub.status.idle": "2024-03-05T21:24:00.176279Z", "shell.execute_reply": "2024-03-05T21:24:00.175983Z" } }, "outputs": [ { "data": { "text/plain": [ "0" ] }, "execution_count": 5, "metadata": {}, "output_type": "execute_result" } ], "source": [ "supplementary_url = \"https://static-content.springer.com/esm/art%3A10.1038%2Fs43587-023-00557-0/MediaObjects/43587_2023_557_MOESM6_ESM.zip\"\n", "supplementary_file_name = \"43587_2023_557_MOESM6_ESM.zip\"\n", "os.system(f\"curl -o {supplementary_file_name} {supplementary_url}\")\n", "os.system(f'unzip {supplementary_file_name}')" ] }, { "cell_type": "markdown", "id": "5035b180-3d1b-4432-8ebe-b9c92bd93a7f", "metadata": {}, "source": [ "## Load features" ] }, { "cell_type": "markdown", "id": "1c756bdc-1646-4915-b91d-4da228a02fbc", "metadata": {}, "source": [ "#### From CSV file" ] }, { "cell_type": "code", "execution_count": 6, "id": "388283a9-923f-4219-b018-e59cb951ffae", "metadata": { "execution": { "iopub.execute_input": "2024-03-05T21:24:00.178083Z", "iopub.status.busy": "2024-03-05T21:24:00.177971Z", "iopub.status.idle": "2024-03-05T21:24:00.181716Z", "shell.execute_reply": "2024-03-05T21:24:00.181466Z" } }, "outputs": [], "source": [ "df = pd.read_csv('YingCausAge.csv')\n", "df['feature'] = df['term']\n", "df['coefficient'] = df['estimate']\n", "model.features = df['feature'][1:].tolist()" ] }, { "cell_type": "markdown", "id": "5e3e30f8-4cae-4f82-98cf-927c55eea9df", "metadata": {}, "source": [ "## Load weights into base model" ] }, { "cell_type": "code", "execution_count": 7, "id": "051acf76-075a-44e9-91b4-7fd3a28cfbdf", "metadata": { "execution": { "iopub.execute_input": "2024-03-05T21:24:00.183214Z", "iopub.status.busy": "2024-03-05T21:24:00.183134Z", "iopub.status.idle": "2024-03-05T21:24:00.185174Z", "shell.execute_reply": "2024-03-05T21:24:00.184928Z" } }, "outputs": [], "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": "2024-03-05T21:24:00.186672Z", "iopub.status.busy": "2024-03-05T21:24:00.186582Z", "iopub.status.idle": "2024-03-05T21:24:00.188819Z", "shell.execute_reply": "2024-03-05T21:24:00.188549Z" } }, "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": "ade0f4c9-2298-4fc3-bb72-d200907dd731", "metadata": { "execution": { "iopub.execute_input": "2024-03-05T21:24:00.190298Z", "iopub.status.busy": "2024-03-05T21:24:00.190219Z", "iopub.status.idle": "2024-03-05T21:24:00.191842Z", "shell.execute_reply": "2024-03-05T21:24:00.191543Z" } }, "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": "2024-03-05T21:24:00.193245Z", "iopub.status.busy": "2024-03-05T21:24:00.193163Z", "iopub.status.idle": "2024-03-05T21:24:00.194736Z", "shell.execute_reply": "2024-03-05T21:24:00.194486Z" } }, "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": "2024-03-05T21:24:00.196107Z", "iopub.status.busy": "2024-03-05T21:24:00.196033Z", "iopub.status.idle": "2024-03-05T21:24:00.197586Z", "shell.execute_reply": "2024-03-05T21:24:00.197331Z" } }, "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": "2024-03-05T21:24:00.198997Z", "iopub.status.busy": "2024-03-05T21:24:00.198910Z", "iopub.status.idle": "2024-03-05T21:24:00.201284Z", "shell.execute_reply": "2024-03-05T21:24:00.201055Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "\n", "%==================================== Model Details ====================================%\n", "Model Attributes:\n", "\n", "training: True\n", "metadata: {'approved_by_author': '⌛',\n", " 'citation': ('Ying, Kejun, et al. \"Causality-enriched epigenetic age '\n", " 'uncouples damage and adaptation.\" Nature Aging (2024): 1-16.',),\n", " 'clock_name': 'yingcausage',\n", " 'data_type': 'methylation',\n", " 'doi': 'https://doi.org/10.1038/s43587-023-00557-0',\n", " 'notes': None,\n", " 'research_only': None,\n", " 'species': 'Homo sapiens',\n", " 'version': None,\n", " 'year': 2024}\n", "reference_values: None\n", "preprocess_name: None\n", "preprocess_dependencies: None\n", "postprocess_name: None\n", "postprocess_dependencies: None\n", "features: ['cg00027162', 'cg00048759', 'cg00200653', 'cg00347863', 'cg00505045', 'cg00563845', 'cg00603274', 'cg00614360', 'cg00655552', 'cg00663739', 'cg00715290', 'cg00879155', 'cg00910168', 'cg00962755', 'cg01035616', 'cg01048752', 'cg01105058', 'cg01274524', 'cg01321673', 'cg01329511', 'cg01334432', 'cg01399860', 'cg01421252', 'cg01454752', 'cg01503516', 'cg01538166', 'cg01557754', 'cg01579218', 'cg01597480', 'cg01762785']... [Total elements: 585]\n", "base_model_features: None\n", "\n", "%==================================== Model Details ====================================%\n", "Model Structure:\n", "\n", "base_model: LinearModel(\n", " (linear): Linear(in_features=585, out_features=1, bias=True)\n", ")\n", "\n", "%==================================== Model Details ====================================%\n", "Model Parameters and Weights:\n", "\n", "base_model.linear.weight: [1.6678526401519775, 5.419585227966309, -0.2697699964046478, 4.103872299194336, 12.006643295288086, -0.5450900197029114, 0.14688290655612946, 1.1880619525909424, -0.965871274471283, 3.5483784675598145, -10.219189643859863, 0.6130169034004211, -1.1934856176376343, 1.0630154609680176, 1.8167389631271362, -1.1464102268218994, 5.109470367431641, 0.2968243360519409, 0.8408879041671753, 3.6986474990844727, -1.898300051689148, -0.3860916793346405, -0.8981965780258179, 5.881424903869629, 1.8310381174087524, -4.833215236663818, -4.612349987030029, -2.4021832942962646, -2.8061323165893555, 0.24915219843387604]... [Tensor of shape torch.Size([1, 585])]\n", "base_model.linear.bias: tensor([86.8082])\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": "2024-03-05T21:24:00.203045Z", "iopub.status.busy": "2024-03-05T21:24:00.202925Z", "iopub.status.idle": "2024-03-05T21:24:00.207096Z", "shell.execute_reply": "2024-03-05T21:24:00.206850Z" } }, "outputs": [ { "data": { "text/plain": [ "tensor([[177.3734],\n", " [327.3683],\n", " [158.4421],\n", " [157.5365],\n", " [131.7594],\n", " [ 7.4059],\n", " [117.2152],\n", " [168.9700],\n", " [123.9884],\n", " [257.4784]], 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": "2024-03-05T21:24:00.208597Z", "iopub.status.busy": "2024-03-05T21:24:00.208513Z", "iopub.status.idle": "2024-03-05T21:24:00.210841Z", "shell.execute_reply": "2024-03-05T21:24:00.210570Z" } }, "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": "2024-03-05T21:24:00.212243Z", "iopub.status.busy": "2024-03-05T21:24:00.212164Z", "iopub.status.idle": "2024-03-05T21:24:00.215584Z", "shell.execute_reply": "2024-03-05T21:24:00.215332Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Deleted file: 43587_2023_557_MOESM6_ESM.zip\n", "Deleted file: YingCausAge.csv\n", "Deleted file: YingDamAge.csv\n", "Deleted file: YingAdaptAge.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": "Python 3", "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": "3.9.17" } }, "nbformat": 4, "nbformat_minor": 5 }