Upload 2 files
Browse files- Final.ipynb +152 -0
- requirements.txt +2 -0
Final.ipynb
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "896cacc6",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Running on local URL: http://127.0.0.1:7860\n",
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"\n",
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"To create a public link, set `share=True` in `launch()`.\n"
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]
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},
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{
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"data": {
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"text/html": [
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"<div><iframe src=\"http://127.0.0.1:7860/\" width=\"100%\" height=\"500\" allow=\"autoplay; camera; microphone; clipboard-read; clipboard-write;\" frameborder=\"0\" allowfullscreen></iframe></div>"
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],
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"text/plain": [
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"<IPython.core.display.HTML object>"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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},
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{
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"data": {
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"text/plain": []
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},
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"execution_count": 1,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"import numpy as np\n",
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"import matplotlib.pyplot as plt\n",
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"from sklearn.linear_model import MultiTaskLasso, Lasso\n",
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"import gradio as gr\n",
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"\n",
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"rng = np.random.RandomState(42)\n",
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"\n",
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"# Generate some 2D coefficients with sine waves with random frequency and phase\n",
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"def make_plot(n_samples, n_features, n_tasks, n_relevant_features, alpha):\n",
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" \n",
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" coef = np.zeros((n_tasks, n_features))\n",
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" times = np.linspace(0, 2 * np.pi, n_tasks)\n",
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" for k in range(n_relevant_features):\n",
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" coef[:, k] = np.sin((1.0 + rng.randn(1)) * times + 3 * rng.randn(1))\n",
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" \n",
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" X = rng.randn(n_samples, n_features)\n",
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" Y = np.dot(X, coef.T) + rng.randn(n_samples, n_tasks)\n",
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" \n",
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" coef_lasso_ = np.array([Lasso(alpha=0.5).fit(X, y).coef_ for y in Y.T])\n",
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" coef_multi_task_lasso_ = MultiTaskLasso(alpha=alpha).fit(X, Y).coef_\n",
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" \n",
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" fig = plt.figure(figsize=(8, 5))\n",
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" \n",
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" feature_to_plot = 0\n",
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" fig = plt.figure()\n",
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" lw = 2\n",
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" plt.plot(coef[:, feature_to_plot], color=\"seagreen\", linewidth=lw, label=\"Ground truth\")\n",
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" plt.plot(\n",
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" coef_lasso_[:, feature_to_plot], color=\"cornflowerblue\", linewidth=lw, label=\"Lasso\"\n",
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" )\n",
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" plt.plot(\n",
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" coef_multi_task_lasso_[:, feature_to_plot],\n",
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" color=\"gold\",\n",
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" linewidth=lw,\n",
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" label=\"MultiTaskLasso\",\n",
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" )\n",
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" plt.legend(loc=\"upper center\")\n",
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" plt.axis(\"tight\")\n",
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" plt.ylim([-1.1, 1.1])\n",
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" fig.suptitle(\"Lasso, MultiTaskLasso and Ground truth time series\")\n",
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" return fig\n",
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" \n",
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" \n",
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"model_card=f\"\"\"\n",
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"## Description\n",
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"The multi-task lasso allows to fit multiple regression problems jointly enforcing the selected\n",
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"features to be the same across tasks. This example simulates sequential measurements, each task \n",
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"is a time instant, and the relevant features vary in amplitude over time while being the same. \n",
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"The multi-task lasso imposes that features that are selected at one time point are select \n",
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"for all time point. This makes feature selection by the Lasso more stable.\n",
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"## Model\n",
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"currentmodule: sklearn.linear_model\n",
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"class:`Lasso` and class: `MultiTaskLasso` are used in this example.\n",
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"Plots represent Lasso, MultiTaskLasso and Ground truth time series\n",
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"\"\"\"\n",
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"\n",
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"with gr.Blocks() as demo:\n",
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" gr.Markdown('''\n",
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" <div>\n",
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" <h1 style='text-align: center'> Joint feature selection with multi-task Lasso </h1>\n",
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" </div>\n",
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" ''')\n",
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" gr.Markdown(model_card)\n",
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" gr.Markdown(\"Original example Author: Alexandre Gramfort <[email protected]>\")\n",
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" gr.Markdown(\n",
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" \"Iterative conversion by: <a href=\\\"https://github.com/DeaMariaLeon\\\">Dea María Léon</a>\"\n",
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" )\n",
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" n_samples = gr.Slider(50,500,value=100,step=50,label='Select number of samples')\n",
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" n_features = gr.Slider(5,50,value=30,step=5,label='Select number of features')\n",
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" n_tasks = gr.Slider(5,50,value=40,step=5,label='Select number of tasks')\n",
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" n_relevant_features = gr.Slider(1,10,value=5,step=1,label='Select number of relevant_features')\n",
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" with gr.Column():\n",
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" with gr.Tab('Select Alpha Range'):\n",
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" alpha = gr.Slider(0,10,value=1.0,step=0.5,label='alpha')\n",
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" \n",
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" btn = gr.Button(value = 'Submit')\n",
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"\n",
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" btn.click(make_plot,inputs=[n_samples,n_features, n_tasks, n_relevant_features, alpha],outputs=[gr.Plot()])\n",
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"\n",
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"demo.launch()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "c8043d31",
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "scikit-ex",
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"language": "python",
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"name": "scikit-ex"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.11.2"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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requirements.txt
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matplotlib==3.6.3
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scikit-learn==1.2.1
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