montebello-642
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Delete Logistic Regression.ipynb
Browse files- Logistic Regression.ipynb +0 -264
Logistic Regression.ipynb
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{
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"cells": [
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"cell_type": "code",
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"execution_count": 1,
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"collapsed": true
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},
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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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"Index(['duration_mo', 'mos_ethnicity', 'complainant_ethnicity', 'is_force',\n",
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" 'is_abuse_of_authority', 'is_discourtesy', 'is_offensive_language',\n",
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" 'outcome_description'],\n",
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" dtype='object')\n",
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" duration_mo mos_ethnicity complainant_ethnicity is_force \\\n",
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"0 10 0 2 0 \n",
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"1 9 1 2 0 \n",
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"2 9 1 2 1 \n",
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"3 14 1 2 0 \n",
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"4 6 0 7 0 \n",
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"\n",
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" is_abuse_of_authority is_discourtesy is_offensive_language \\\n",
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"0 1 0 0 \n",
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"1 0 1 0 \n",
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"2 0 0 0 \n",
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"3 1 0 0 \n",
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"4 0 0 1 \n",
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"\n",
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" outcome_description \n",
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"0 0 \n",
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"1 0 \n",
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"2 0 \n",
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"3 0 \n",
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"4 1 \n",
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" duration_mo mos_ethnicity complainant_ethnicity is_force \\\n",
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"count 33358.000000 33358.000000 33358.000000 33358.000000 \n",
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"mean 9.733767 0.946819 2.468283 0.022573 \n",
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"std 5.017703 0.754311 2.256281 0.148541 \n",
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"min 0.000000 0.000000 0.000000 0.000000 \n",
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"25% 6.000000 0.000000 1.000000 0.000000 \n",
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"50% 10.000000 1.000000 2.000000 0.000000 \n",
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"75% 13.000000 1.000000 2.000000 0.000000 \n",
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"max 110.000000 4.000000 7.000000 1.000000 \n",
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"\n",
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" is_abuse_of_authority is_discourtesy is_offensive_language \\\n",
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"count 33358.000000 33358.000000 33358.000000 \n",
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"mean 0.608310 0.140206 0.228911 \n",
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"std 0.488135 0.347206 0.420138 \n",
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"min 0.000000 0.000000 0.000000 \n",
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"25% 0.000000 0.000000 0.000000 \n",
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"50% 1.000000 0.000000 0.000000 \n",
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"75% 1.000000 0.000000 0.000000 \n",
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"max 1.000000 1.000000 1.000000 \n",
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"\n",
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" outcome_description \n",
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"count 33358.000000 \n",
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"mean 0.438066 \n",
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"std 0.496157 \n",
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"min 0.000000 \n",
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"25% 0.000000 \n",
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"50% 0.000000 \n",
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"75% 1.000000 \n",
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"max 1.000000 \n",
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"duration_mo 0\n",
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"mos_ethnicity 0\n",
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"complainant_ethnicity 0\n",
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"is_force 0\n",
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"is_abuse_of_authority 0\n",
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"is_discourtesy 0\n",
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"is_offensive_language 0\n",
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"outcome_description 0\n",
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"dtype: int64\n",
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"Accuracy: 0.65\n",
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" precision recall f1-score support\n",
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"\n",
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" 0 0.65 0.82 0.72 3778\n",
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" 1 0.64 0.42 0.51 2894\n",
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"\n",
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" accuracy 0.65 6672\n",
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" macro avg 0.64 0.62 0.62 6672\n",
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"weighted avg 0.64 0.65 0.63 6672\n",
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"\n",
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"Running on local URL: http://127.0.0.1:7860\n",
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"Running on public URL: https://d8846d114093b0894a.gradio.live\n",
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"\n",
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"This share link expires in 72 hours. For free permanent hosting and GPU upgrades, run `gradio deploy` from Terminal to deploy to Spaces (https://huggingface.co/spaces)\n"
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]
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},
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{
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"data": {
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"text/plain": "<IPython.core.display.HTML object>",
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"text/html": "<div><iframe src=\"https://d8846d114093b0894a.gradio.live\" width=\"100%\" height=\"500\" allow=\"autoplay; camera; microphone; clipboard-read; clipboard-write;\" frameborder=\"0\" allowfullscreen></iframe></div>"
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"data": {
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},
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"execution_count": 1,
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}
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],
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"source": [
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"import pandas as pd\n",
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"from sklearn.model_selection import train_test_split, cross_val_score\n",
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"from sklearn.preprocessing import StandardScaler\n",
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"from sklearn.linear_model import LogisticRegression\n",
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"from sklearn.metrics import accuracy_score, classification_report, confusion_matrix\n",
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"import seaborn as sns\n",
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"import matplotlib.pyplot as plt\n",
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"import gradio as gr\n",
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"import numpy as np\n",
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"\n",
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"#loading the dataset and select only the columns needed\n",
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"selected_columns = ['duration_mo', 'mos_ethnicity', 'complainant_ethnicity', 'is_force', 'is_abuse_of_authority', 'is_discourtesy', 'is_offensive_language', 'outcome_description']\n",
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"df = pd.read_csv('my_dataset_logistic.csv', usecols=selected_columns)\n",
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"\n",
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"print(df.columns)\n",
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"print(df.head())\n",
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"print(df.describe())\n",
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"print(df.isnull().sum())\n",
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"\n",
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"#set the name of the column to calculate accuracy\n",
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"X = df.drop('outcome_description', axis=1)\n",
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"y = df['outcome_description']\n",
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"X.fillna(0, inplace=True)\n",
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"\n",
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"#split into training and test set\n",
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"X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)\n",
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"\n",
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"#standardize the features\n",
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"scaler = StandardScaler()\n",
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"X_train_scaled = scaler.fit_transform(X_train)\n",
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"X_test_scaled = scaler.transform(X_test)\n",
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"\n",
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"#train the model\n",
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"model = LogisticRegression(random_state=42)\n",
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"model.fit(X_train_scaled, y_train)\n",
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"\n",
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"#make predictions and evaluate the model\n",
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"y_pred = model.predict(X_test_scaled)\n",
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"accuracy = accuracy_score(y_test, y_pred)\n",
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"print(f'Accuracy: {accuracy:.2f}')\n",
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"\n",
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"#classification report with confusion matrix, correlation graph and standard deviation of all the variables\n",
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"print(classification_report(y_test, y_pred))\n",
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"\n",
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"# Confusion Matrix\n",
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"conf_matrix = confusion_matrix(y_test, y_pred)\n",
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"plt.figure(figsize=(8, 6))\n",
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"sns.heatmap(conf_matrix, annot=True, fmt=\"d\", cmap=\"Blues\", cbar=False,xticklabels=df['outcome_description'].unique(), yticklabels=df['outcome_description'].unique())\n",
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"plt.title(\"Confusion Matrix\")\n",
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"plt.xlabel(\"Predicted\")\n",
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"plt.ylabel(\"Actual\")\n",
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"plt.show()\n",
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"\n",
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"#Correlation Matrix\n",
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"correlation_matrix = df.corr()\n",
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"plt.figure(figsize=(10, 8))\n",
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"sns.heatmap(correlation_matrix, annot=True, cmap='coolwarm', fmt=\".2f\", linewidths=.5)\n",
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"plt.title('Correlation Matrix')\n",
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"plt.show()\n",
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"\n",
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"#plotting a bar chart to visualize better the correlation\n",
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"target_correlations = correlation_matrix['outcome_description'].sort_values(ascending=False)\n",
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"plt.figure(figsize=(10, 6))\n",
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"target_correlations.drop('outcome_description').plot(kind='bar', color='blue')\n",
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"plt.title('Correlations with Target Variable')\n",
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"plt.xlabel('Features')\n",
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"plt.ylabel('Correlation')\n",
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"plt.show()\n",
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"\n",
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"#Standard Deviation\n",
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"std_dev = df.std()\n",
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"print('\\nStandard deviation')\n",
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"print(std_dev)\n",
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"\n",
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"#gradio implementation\n",
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"#create the available options for the ethnicities\n",
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"mos_ethnicity_options = [\"Hispanic\", \"White\", \"Black\", \"Asian\", \"American Indian\", \"Other Race\", \"Refused\", \"Unknown\"]\n",
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"complainant_ethnicity_options = [\"Hispanic\", \"White\", \"Black\", \"Asian\", \"American Indian\", \"Other Race\", \"Refused\", \"Unknown\"]\n",
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"\n",
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"#defining the function to make predictions using the model\n",
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"def predict_outcome_duration(mos_ethnicity, complainant_ethnicity, is_force, is_abuse_of_authority, is_discourtesy, is_offensive_language, duration_mo):\n",
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" try:\n",
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" #converting values from string to int\n",
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" mos_ethnicity_encoded = mos_ethnicity_options.index(mos_ethnicity)\n",
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" complainant_ethnicity_encoded = complainant_ethnicity_options.index(complainant_ethnicity)\n",
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"\n",
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" #converting checkbox value to int\n",
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" is_force = int(is_force)\n",
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" is_abuse_of_authority = int(is_abuse_of_authority)\n",
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" is_discourtesy = int(is_discourtesy)\n",
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" is_offensive_language = int(is_offensive_language)\n",
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"\n",
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" input_data = [[duration_mo, mos_ethnicity_encoded, complainant_ethnicity_encoded, is_force, is_abuse_of_authority, is_discourtesy, is_offensive_language]]\n",
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" input_scaled = scaler.transform(input_data)\n",
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" prediction = model.predict(input_scaled)[0]\n",
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"\n",
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" #outputting the result\n",
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" return \"Arrest\" if prediction == 1 else \"No Arrest\"\n",
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"\n",
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" except Exception as e:\n",
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" return f\"Error: {str(e)}\"\n",
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"\n",
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"#creating the gradio interface, using dropdowns to show the different ethnicities, checkbox to identify which type of allegation it was and a slider with the duration in months\n",
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"mos_ethnicity_dropdown = gr.Dropdown(choices=mos_ethnicity_options,label=\"Defendant Ethnicity\")\n",
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"complainant_ethnicity_dropdown = gr.Dropdown(choices=complainant_ethnicity_options, label=\"Complainant Ethnicity\")\n",
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"is_force_checkbox = gr.Checkbox()\n",
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"is_abuse_of_authority_checkbox = gr.Checkbox()\n",
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"is_discourtesy_checkbox = gr.Checkbox()\n",
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"is_offensive_language_checkbox = gr.Checkbox()\n",
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"duration_mo_slider = gr.Slider(minimum=0, maximum=20, label=\"Duration in months\")\n",
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"\n",
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"iface = gr.Interface(\n",
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" fn=predict_outcome_duration,\n",
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" inputs=[complainant_ethnicity_dropdown, mos_ethnicity_dropdown, is_force_checkbox, is_abuse_of_authority_checkbox, is_discourtesy_checkbox, is_offensive_language_checkbox, duration_mo_slider],\n",
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" outputs=\"text\",\n",
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" live=True,\n",
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" title=\"Complaint Outcome Prediction\"\n",
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")\n",
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"\n",
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"# Launch the Gradio Interface\n",
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"iface.launch(share=True)"
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]
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