microsoft--ml-for-beginners
wehub-resource-sync
275 行
13 KiB
Plaintext
275 行
13 KiB
Plaintext
{
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"cells": [
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{
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"source": [
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"# مزید درجہ بندی ماڈلز بنائیں\n"
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],
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"cell_type": "markdown",
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"metadata": {}
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### جائزہ ڈیٹا سیٹ\n",
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"اس ڈیٹا سیٹ میں انفرادی نمونے (مثلاً، ترکیبیں) شامل ہیں جنہیں کھانے کے انداز کی بنیاد پر لیبل لگا دیا گیا ہے۔\n",
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"ہر صف ایک واحد نمونہ/ریکارڈ کی نمائندگی کرتی ہے، اور کالم اجزاء یا دیگر خصوصیات کو ظاہر کرتے ہیں جو درجہ بندی کے لیے استعمال ہوتے ہیں، بشمول `cuisine` لیبل۔\n"
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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": 1,
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"metadata": {},
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"outputs": [],
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"source": [
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"import pandas as pd\n",
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"# Load dataset containing cuisine features\n",
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"cuisines_df = pd.read_csv(\"../../data/cleaned_cuisines.csv\")\n",
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"cuisines_df.head()"
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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": 2,
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"metadata": {},
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"outputs": [
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{
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"output_type": "execute_result",
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"data": {
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"text/plain": [
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"0 indian\n",
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"1 indian\n",
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"2 indian\n",
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"3 indian\n",
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"4 indian\n",
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"Name: cuisine, dtype: object"
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]
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},
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"metadata": {},
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"execution_count": 2
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}
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],
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"source": [
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"cuisines_label_df = cuisines_df['cuisine']\n",
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"cuisines_label_df.head()"
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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": 3,
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"metadata": {},
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"outputs": [
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{
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"output_type": "execute_result",
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"data": {
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"text/plain": [
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" almond angelica anise anise_seed apple apple_brandy apricot \\\n",
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"3 0 0 0 0 0 0 0 \n",
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"4 0 0 0 0 0 0 0 \n",
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"\n",
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" armagnac artemisia artichoke ... whiskey white_bread white_wine \\\n",
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"0 0 0 0 ... 0 0 0 \n",
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"1 0 0 0 ... 0 0 0 \n",
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"2 0 0 0 ... 0 0 0 \n",
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"3 0 0 0 ... 0 0 0 \n",
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"4 0 0 0 ... 0 0 0 \n",
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"\n",
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" whole_grain_wheat_flour wine wood yam yeast yogurt zucchini \n",
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"0 0 0 0 0 0 0 0 \n",
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"1 0 0 0 0 0 0 0 \n",
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"2 0 0 0 0 0 0 0 \n",
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"3 0 0 0 0 0 0 0 \n",
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"4 0 0 0 0 0 1 0 \n",
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"\n",
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"[5 rows x 380 columns]"
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],
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},
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"metadata": {},
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"execution_count": 3
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}
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],
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"source": [
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"cuisines_features_df = cuisines_df.drop(['Unnamed: 0', 'cuisine'], axis=1)\n",
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"cuisines_features_df.head()"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# مختلف درجہ بند کرنے والوں کو آزمائیں\n"
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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": 4,
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"metadata": {},
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"outputs": [],
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"source": [
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"from sklearn.neighbors import KNeighborsClassifier\n",
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"from sklearn.linear_model import LogisticRegression\n",
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"from sklearn.svm import SVC\n",
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"from sklearn.ensemble import RandomForestClassifier, AdaBoostClassifier\n",
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"from sklearn.model_selection import train_test_split, cross_val_score\n",
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"from sklearn.metrics import accuracy_score,precision_score,confusion_matrix,classification_report, precision_recall_curve\n",
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"import numpy as np"
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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": 5,
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"metadata": {},
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"outputs": [],
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"source": [
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"X_train, X_test, y_train, y_test = train_test_split(cuisines_features_df, cuisines_label_df, test_size=0.3)"
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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": 6,
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"metadata": {},
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"outputs": [],
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"source": [
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"\n",
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"C = 10\n",
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"# Create different classifiers.\n",
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"classifiers = {\n",
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" 'Linear SVC': SVC(kernel='linear', C=C, probability=True,random_state=0),\n",
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" 'KNN classifier': KNeighborsClassifier(C),\n",
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" 'SVC': SVC(),\n",
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" 'RFST': RandomForestClassifier(n_estimators=100),\n",
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" 'ADA': AdaBoostClassifier(n_estimators=100)\n",
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" \n",
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"}\n"
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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": 7,
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"name": "stdout",
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"text": [
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"Accuracy (train) for Linear SVC: 76.4% \n",
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" precision recall f1-score support\n",
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"\n",
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" chinese 0.64 0.66 0.65 242\n",
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" indian 0.91 0.86 0.89 236\n",
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" japanese 0.72 0.73 0.73 245\n",
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" korean 0.83 0.75 0.79 234\n",
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" thai 0.75 0.82 0.78 242\n",
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"\n",
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" accuracy 0.76 1199\n",
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" macro avg 0.77 0.76 0.77 1199\n",
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"weighted avg 0.77 0.76 0.77 1199\n",
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"\n",
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"Accuracy (train) for KNN classifier: 70.7% \n",
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" precision recall f1-score support\n",
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"\n",
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" chinese 0.65 0.63 0.64 242\n",
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" indian 0.84 0.81 0.82 236\n",
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" japanese 0.60 0.81 0.69 245\n",
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" korean 0.89 0.53 0.67 234\n",
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" thai 0.69 0.75 0.72 242\n",
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"\n",
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" accuracy 0.71 1199\n",
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" macro avg 0.73 0.71 0.71 1199\n",
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"weighted avg 0.73 0.71 0.71 1199\n",
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"\n",
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"Accuracy (train) for SVC: 80.1% \n",
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" precision recall f1-score support\n",
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"\n",
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" chinese 0.71 0.69 0.70 242\n",
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" indian 0.92 0.92 0.92 236\n",
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" japanese 0.77 0.78 0.77 245\n",
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" korean 0.87 0.77 0.82 234\n",
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" thai 0.75 0.86 0.80 242\n",
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"\n",
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" accuracy 0.80 1199\n",
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" macro avg 0.80 0.80 0.80 1199\n",
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"weighted avg 0.80 0.80 0.80 1199\n",
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"\n",
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"Accuracy (train) for RFST: 82.8% \n",
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" precision recall f1-score support\n",
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"\n",
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" chinese 0.80 0.75 0.77 242\n",
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" indian 0.90 0.91 0.90 236\n",
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" japanese 0.82 0.78 0.80 245\n",
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" korean 0.85 0.82 0.83 234\n",
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" thai 0.78 0.89 0.83 242\n",
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"\n",
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" accuracy 0.83 1199\n",
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" macro avg 0.83 0.83 0.83 1199\n",
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"weighted avg 0.83 0.83 0.83 1199\n",
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"\n",
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"Accuracy (train) for ADA: 71.1% \n",
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" precision recall f1-score support\n",
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"\n",
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" chinese 0.60 0.57 0.58 242\n",
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" indian 0.87 0.84 0.86 236\n",
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" japanese 0.71 0.60 0.65 245\n",
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" korean 0.68 0.78 0.72 234\n",
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" thai 0.70 0.78 0.74 242\n",
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"\n",
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" accuracy 0.71 1199\n",
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" macro avg 0.71 0.71 0.71 1199\n",
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"weighted avg 0.71 0.71 0.71 1199\n",
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"\n"
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]
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}
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],
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"source": [
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"n_classifiers = len(classifiers)\n",
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"\n",
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"for index, (name, classifier) in enumerate(classifiers.items()):\n",
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" classifier.fit(X_train, np.ravel(y_train))\n",
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"\n",
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" y_pred = classifier.predict(X_test)\n",
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" accuracy = accuracy_score(y_test, y_pred)\n",
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" print(\"Accuracy (train) for %s: %0.1f%% \" % (name, accuracy * 100))\n",
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" print(classification_report(y_test,y_pred))"
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]
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},
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"cell_type": "markdown",
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"source": [
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"---\n\n<!-- CO-OP TRANSLATOR DISCLAIMER START -->\n**ڈس کلیمر**: \nیہ دستاویز AI ترجمہ سروس [Co-op Translator](https://github.com/Azure/co-op-translator) کا استعمال کرتے ہوئے ترجمہ کی گئی ہے۔ اگرچہ ہم درستگی کے لیے کوشاں ہیں، براہ کرم آگاہ رہیں کہ خودکار تراجم میں غلطیاں یا عدم درستگیاں ہو سکتی ہیں۔ اصل دستاویز اپنی مادری زبان میں معتبر ماخذ سمجھی جانی چاہیے۔ اہم معلومات کے لیے پیشہ ور انسانی ترجمہ کی سفارش کی جاتی ہے۔ اس ترجمے کے استعمال سے پیدا ہونے والی کسی بھی غلط فہمی یا غلط تشریح کی ذمہ داری ہم پر عائد نہیں ہوتی۔\n<!-- CO-OP TRANSLATOR DISCLAIMER END -->\n"
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