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Large change: replace os.path with pathlib, move to Python 3.7

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This commit is contained in:
Aurélien Geron
2021-10-15 21:46:27 +13:00
parent 1b16a81fe5
commit fa1ae51184
19 changed files with 969 additions and 1066 deletions
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32
05_support_vector_machines.ipynb
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@@ -4,8 +4,13 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"**Chapter 5 – Support Vector Machines**\n",
"\n",
"**Chapter 5 – Support Vector Machines**"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"_This notebook contains all the sample code and solutions to the exercises in chapter 5._"
]
},
@@ -34,7 +39,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"First, let's import a few common modules, ensure MatplotLib plots figures inline and prepare a function to save the figures. We also check that Python 3.5 or later is installed (although Python 2.x may work, it is deprecated so we strongly recommend you use Python 3 instead), as well as Scikit-Learn ≥0.20."
"First, let's import a few common modules, ensure MatplotLib plots figures inline and prepare a function to save the figures."
]
},
{
@@ -43,17 +48,17 @@
"metadata": {},
"outputs": [],
"source": [
"# Python ≥3.5 is required\n",
"# Python ≥3.7 is required\n",
"import sys\n",
"assert sys.version_info >= (3, 5)\n",
"assert sys.version_info >= (3, 7)\n",
"\n",
"# Scikit-Learn ≥0.20 is required\n",
"# Scikit-Learn ≥1.0 is required\n",
"import sklearn\n",
"assert sklearn.__version__ >= \"0.20\"\n",
"assert sklearn.__version__ >= \"1.0\"\n",
"\n",
"# Common imports\n",
"import numpy as np\n",
"import os\n",
"from pathlib import Path\n",
"\n",
"# to make this notebook's output stable across runs\n",
"np.random.seed(42)\n",
@@ -67,14 +72,11 @@
"mpl.rc('ytick', labelsize=12)\n",
"\n",
"# Where to save the figures\n",
"PROJECT_ROOT_DIR = \".\"\n",
"CHAPTER_ID = \"svm\"\n",
"IMAGES_PATH = os.path.join(PROJECT_ROOT_DIR, \"images\", CHAPTER_ID)\n",
"os.makedirs(IMAGES_PATH, exist_ok=True)\n",
"IMAGES_PATH = Path() / \"images\" / \"svm\"\n",
"IMAGES_PATH.mkdir(parents=True, exist_ok=True)\n",
"\n",
"def save_fig(fig_id, tight_layout=True, fig_extension=\"png\", resolution=300):\n",
" path = os.path.join(IMAGES_PATH, fig_id + \".\" + fig_extension)\n",
" print(\"Saving figure\", fig_id)\n",
" path = IMAGES_PATH / f\"{fig_id}.{fig_extension}\"\n",
" if tight_layout:\n",
" plt.tight_layout()\n",
" plt.savefig(path, format=fig_extension, dpi=resolution)"
@@ -1942,7 +1944,7 @@
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},