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import numpy as np
from sklearn.linear_model import LinearRegression

class DataAnalyzer:
    """Analyzes datasets using linear regression."""
    
    def __init__(self, data):
        self.data = data
        self.model = LinearRegression()
    
    def train(self, X, y):
        """Train the model on input features and target."""
        self.model.fit(X, y)
        return self.model.score(X, y)
    
    def predict(self, X):
        """Generate predictions for new data."""
        return self.model.predict(X)

# Usage example
analyzer = DataAnalyzer(dataset)
accuracy = analyzer.train(X_train, y_train)
print(f'Model accuracy: {accuracy:.2%}')

PDF Document Properties:
─────────────────────────────────
Title: Python Code Export
Language: Python
Generated: 2024-01-15 14:32:01
Pages: 1
Font: Courier New 10pt
Line Spacing: 1.2
Margins: 0.75" all sides

Page 1 Content:
─────────────────────────────────
   1 | import numpy as np
   2 | from sklearn.linear_model import LinearRegression
   3 | 
   4 | class DataAnalyzer:
   5 |     """Analyzes datasets using linear regression."""
   6 |     
   7 |     def __init__(self, data):
   8 |         self.data = data
   9 |         self.model = LinearRegression()
  10 |     
  11 |     def train(self, X, y):
  12 |         """Train the model on input features and target."""
  13 |         self.model.fit(X, y)
  14 |         return self.model.score(X, y)
  15 |     
  16 |     def predict(self, X):
  17 |         """Generate predictions for new data."""
  18 |         return self.model.predict(X)
  19 | 
  20 | # Usage example
  21 | analyzer = DataAnalyzer(dataset)
  22 | accuracy = analyzer.train(X_train, y_train)
  23 | print(f'Model accuracy: {accuracy:.2%}')

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import React, { useState, useEffect } from 'react';
import axios from 'axios';

const UserDashboard = ({ userId }) => {
  const [userData, setUserData] = useState(null);
  const [loading, setLoading] = useState(true);
  
  useEffect(() => {
    const fetchUserData = async () => {
      try {
        const response = await axios.get('/api/users/' + userId);
        setUserData(response.data);
      } catch (error) {
        console.error('Failed to fetch user data:', error);
      } finally {
        setLoading(false);
      }
    };
    
    fetchUserData();
  }, [userId]);
  
  if (loading) return <div>Loading...</div>;
  if (!userData) return <div>No user found</div>;
  
  return (
    <div className="dashboard">
      <h1>Welcome, {userData.name}</h1>
      <p>Email: {userData.email}</p>
      <button onClick={() => window.location.href = '/profile'}>
        Edit Profile
      </button>
    </div>
  );
};

export default UserDashboard;

PDF Document Properties:
─────────────────────────────────
Title: UserDashboard.jsx
Language: JavaScript (React)
Generated: 2024-01-15 14:35:22
Pages: 1
Font: Consolas 10pt
Line Spacing: 1.2

Page 1 Content:
─────────────────────────────────
   1 | import React, { useState, useEffect } from 'react';
   2 | import axios from 'axios';
   3 | 
   4 | const UserDashboard = ({ userId }) => {
   5 |   const [userData, setUserData] = useState(null);
   6 |   const [loading, setLoading] = useState(true);
   7 |   
   8 |   useEffect(() => {
   9 |     const fetchUserData = async () => {
  10 |       try {
  11 |         const response = await axios.get('/api/users/' + userId);
  12 |         setUserData(response.data);
  13 |       } catch (error) {
  14 |         console.error('Failed to fetch user data:', error);
  15 |       } finally {
  16 |         setLoading(false);
  17 |       }
  18 |     };
  19 |     
  20 |     fetchUserData();
  21 |   }, [userId]);
  22 |   
  23 |   if (loading) return <div>Loading...</div>;
  24 |   if (!userData) return <div>No user found</div>;
  25 |   
  26 |   return (
  27 |     <div className="dashboard">
  28 |       <h1>Welcome, {userData.name}</h1>
  29 |       <h1>Email: {userData.email}</h1>
  30 |       <button onClick={() => window.location.href = '/profile'}>
  31 |         Edit Profile
  32 |       </button>
  33 |     </div>
  34 |   );
  35 | };
  36 | 
  37 | export default UserDashboard;

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