Работа 4 сделана

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Alexey 2026-05-08 01:22:52 +03:00
parent c54607d20c
commit f3a9a1f7cb
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{
"cells": [
{
"cell_type": "markdown",
"id": "2703a83e-6b0b-4be3-9439-bf19482185ec",
"metadata": {},
"source": [
"Выполнение кода из примера"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "385a0e7d-27e3-4f28-8f00-5dc14227f034",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" precision recall f1-score support\n",
"\n",
" 0 1.00 1.00 1.00 14\n",
" 1 1.00 1.00 1.00 7\n",
" 2 1.00 1.00 1.00 9\n",
"\n",
" accuracy 1.00 30\n",
" macro avg 1.00 1.00 1.00 30\n",
"weighted avg 1.00 1.00 1.00 30\n",
"\n"
]
},
{
"name": "stderr",
"output_type": "stream",
"text": [
"C:\\Users\\1\\Desktop\\praktika04\\venv\\Lib\\site-packages\\sklearn\\neural_network\\_multilayer_perceptron.py:785: ConvergenceWarning: Stochastic Optimizer: Maximum iterations (500) reached and the optimization hasn't converged yet.\n",
" warnings.warn(\n"
]
}
],
"source": [
"from sklearn.datasets import load_iris\n",
"from sklearn.model_selection import train_test_split\n",
"from sklearn.neural_network import MLPClassifier\n",
"from sklearn.metrics import classification_report\n",
"\n",
"# Загрузка и разбиение данных\n",
"X, y = load_iris(return_X_y=True)\n",
"X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)\n",
"\n",
"# Модель MLP — многослойный перцептрон\n",
"clf = MLPClassifier(hidden_layer_sizes=(10,), activation='relu', max_iter=500)\n",
"clf.fit(X_train, y_train)\n",
"\n",
"# Отчёт о точности\n",
"print(classification_report(y_test, clf.predict(X_test)))"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "57225ea2-43d7-4399-834b-b2f121dd9a0c",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" precision recall f1-score support\n",
"\n",
" 0 1.00 0.91 0.95 11\n",
" 1 0.20 0.12 0.15 8\n",
" 2 0.53 0.73 0.62 11\n",
"\n",
" accuracy 0.63 30\n",
" macro avg 0.58 0.59 0.57 30\n",
"weighted avg 0.62 0.63 0.62 30\n",
"\n"
]
},
{
"name": "stderr",
"output_type": "stream",
"text": [
"C:\\Users\\1\\Desktop\\praktika04\\venv\\Lib\\site-packages\\sklearn\\neural_network\\_multilayer_perceptron.py:785: ConvergenceWarning: Stochastic Optimizer: Maximum iterations (100) reached and the optimization hasn't converged yet.\n",
" warnings.warn(\n"
]
}
],
"source": [
"from sklearn.datasets import load_iris\n",
"from sklearn.model_selection import train_test_split\n",
"from sklearn.neural_network import MLPClassifier\n",
"from sklearn.metrics import classification_report\n",
"\n",
"# Загрузка и разбиение данных\n",
"X, y = load_iris(return_X_y=True)\n",
"X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)\n",
"\n",
"# Модель MLP — многослойный перцептрон\n",
"clf = MLPClassifier(hidden_layer_sizes=(10,), activation='relu', max_iter=100)\n",
"clf.fit(X_train, y_train)\n",
"\n",
"# Отчёт о точности\n",
"print(classification_report(y_test, clf.predict(X_test)))"
]
},
{
"cell_type": "code",
"execution_count": 8,
"id": "5b9778ff-7d14-4d68-8119-2ebfdb468bf1",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" precision recall f1-score support\n",
"\n",
" 0 1.00 1.00 1.00 9\n",
" 1 1.00 0.93 0.96 14\n",
" 2 0.88 1.00 0.93 7\n",
"\n",
" accuracy 0.97 30\n",
" macro avg 0.96 0.98 0.97 30\n",
"weighted avg 0.97 0.97 0.97 30\n",
"\n"
]
}
],
"source": [
"from sklearn.datasets import load_iris\n",
"from sklearn.model_selection import train_test_split\n",
"from sklearn.neural_network import MLPClassifier\n",
"from sklearn.metrics import classification_report\n",
"\n",
"# Загрузка и разбиение данных\n",
"X, y = load_iris(return_X_y=True)\n",
"X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)\n",
"\n",
"# Модель MLP — многослойный перцептрон\n",
"clf = MLPClassifier(hidden_layer_sizes=(10,), activation='relu', max_iter=2500)\n",
"clf.fit(X_train, y_train)\n",
"\n",
"# Отчёт о точности\n",
"print(classification_report(y_test, clf.predict(X_test)))"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "8c642bb6-7583-466c-8864-2ee80d5accc7",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"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": "3.14.4"
}
},
"nbformat": 4,
"nbformat_minor": 5
}

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{
"cells": [
{
"cell_type": "markdown",
"id": "2703a83e-6b0b-4be3-9439-bf19482185ec",
"metadata": {},
"source": [
"Выполнение кода из примера"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "385a0e7d-27e3-4f28-8f00-5dc14227f034",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" precision recall f1-score support\n",
"\n",
" 0 1.00 1.00 1.00 14\n",
" 1 1.00 1.00 1.00 7\n",
" 2 1.00 1.00 1.00 9\n",
"\n",
" accuracy 1.00 30\n",
" macro avg 1.00 1.00 1.00 30\n",
"weighted avg 1.00 1.00 1.00 30\n",
"\n"
]
},
{
"name": "stderr",
"output_type": "stream",
"text": [
"C:\\Users\\1\\Desktop\\praktika04\\venv\\Lib\\site-packages\\sklearn\\neural_network\\_multilayer_perceptron.py:785: ConvergenceWarning: Stochastic Optimizer: Maximum iterations (500) reached and the optimization hasn't converged yet.\n",
" warnings.warn(\n"
]
}
],
"source": [
"from sklearn.datasets import load_iris\n",
"from sklearn.model_selection import train_test_split\n",
"from sklearn.neural_network import MLPClassifier\n",
"from sklearn.metrics import classification_report\n",
"\n",
"# Загрузка и разбиение данных\n",
"X, y = load_iris(return_X_y=True)\n",
"X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)\n",
"\n",
"# Модель MLP — многослойный перцептрон\n",
"clf = MLPClassifier(hidden_layer_sizes=(10,), activation='relu', max_iter=500)\n",
"clf.fit(X_train, y_train)\n",
"\n",
"# Отчёт о точности\n",
"print(classification_report(y_test, clf.predict(X_test)))"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "57225ea2-43d7-4399-834b-b2f121dd9a0c",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" precision recall f1-score support\n",
"\n",
" 0 1.00 0.91 0.95 11\n",
" 1 0.20 0.12 0.15 8\n",
" 2 0.53 0.73 0.62 11\n",
"\n",
" accuracy 0.63 30\n",
" macro avg 0.58 0.59 0.57 30\n",
"weighted avg 0.62 0.63 0.62 30\n",
"\n"
]
},
{
"name": "stderr",
"output_type": "stream",
"text": [
"C:\\Users\\1\\Desktop\\praktika04\\venv\\Lib\\site-packages\\sklearn\\neural_network\\_multilayer_perceptron.py:785: ConvergenceWarning: Stochastic Optimizer: Maximum iterations (100) reached and the optimization hasn't converged yet.\n",
" warnings.warn(\n"
]
}
],
"source": [
"from sklearn.datasets import load_iris\n",
"from sklearn.model_selection import train_test_split\n",
"from sklearn.neural_network import MLPClassifier\n",
"from sklearn.metrics import classification_report\n",
"\n",
"# Загрузка и разбиение данных\n",
"X, y = load_iris(return_X_y=True)\n",
"X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)\n",
"\n",
"# Модель MLP — многослойный перцептрон\n",
"clf = MLPClassifier(hidden_layer_sizes=(10,), activation='relu', max_iter=100)\n",
"clf.fit(X_train, y_train)\n",
"\n",
"# Отчёт о точности\n",
"print(classification_report(y_test, clf.predict(X_test)))"
]
},
{
"cell_type": "code",
"execution_count": 8,
"id": "5b9778ff-7d14-4d68-8119-2ebfdb468bf1",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" precision recall f1-score support\n",
"\n",
" 0 1.00 1.00 1.00 9\n",
" 1 1.00 0.93 0.96 14\n",
" 2 0.88 1.00 0.93 7\n",
"\n",
" accuracy 0.97 30\n",
" macro avg 0.96 0.98 0.97 30\n",
"weighted avg 0.97 0.97 0.97 30\n",
"\n"
]
}
],
"source": [
"from sklearn.datasets import load_iris\n",
"from sklearn.model_selection import train_test_split\n",
"from sklearn.neural_network import MLPClassifier\n",
"from sklearn.metrics import classification_report\n",
"\n",
"# Загрузка и разбиение данных\n",
"X, y = load_iris(return_X_y=True)\n",
"X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)\n",
"\n",
"# Модель MLP — многослойный перцептрон\n",
"clf = MLPClassifier(hidden_layer_sizes=(10,), activation='relu', max_iter=2500)\n",
"clf.fit(X_train, y_train)\n",
"\n",
"# Отчёт о точности\n",
"print(classification_report(y_test, clf.predict(X_test)))"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "8c642bb6-7583-466c-8864-2ee80d5accc7",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"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": "3.14.4"
}
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"nbformat": 4,
"nbformat_minor": 5
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