Delete Tests.ipynb

Tests.ipynb

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-Here are sample inputs to test the fraud detection system and their expected outputs:
-
-## 🧪 **Test Cases with Expected Results**
-
-### **Test Case 1: Normal Grocery Purchase** ✅
-**Input:**
-```
-Transaction ID: NORMAL_001
-Amount: $45.67
-Merchant Category: grocery
-Description: WALMART SUPERCENTER CA 1234
-Hour: 14 (2 PM)
-Day of Week: 2 (Tuesday)
-Days Since Last Transaction: 1.0
-Transactions (1h): 1
-Transactions (24h): 3
-Avg Amount (1h): $50.00
-Location Risk Score: 0.1
-Account Age (days): 730
-```
-
-**Expected Output:**
-```
-🎯 Prediction: ✅ LEGITIMATE
-📈 Fraud Probability: 0.1234 (12.34%)
-⚠️ Risk Level: LOW
-📊 Risk Meter: [██░░░░░░░░░░░░░░░░░░] 12.3%
-🔍 Detailed Scores:
-🤖 BERT Score: 0.0892
-🏝️ Isolation Score: -0.2145
-🔍 Anomaly Score: 0.1567
-
-📋 Summary:
-💰 Amount: $45.67
-🏪 Category: grocery
-📝 Description: WALMART SUPERCENTER CA 1234
-🎯 Fraud Probability: 0.1234 (12.34%)
-📊 Risk Level: LOW
-```
-
----
-
-### **Test Case 2: Suspicious High Amount Transaction** 🚨
-**Input:**
-```
-Transaction ID: SUSPICIOUS_001
-Amount: $2999.99
-Merchant Category: online
-Description: SUSPICIOUS ELECTRONICS STORE XX 9999
-Hour: 3 (3 AM)
-Day of Week: 6 (Saturday)
-Days Since Last Transaction: 60.0
-Transactions (1h): 12
-Transactions (24h): 25
-Avg Amount (1h): $150.00
-Location Risk Score: 0.95
-Account Age (days): 15
-```
-
-**Expected Output:**
-```
-🎯 Prediction: 🚨 FRAUD DETECTED
-📈 Fraud Probability: 0.8567 (85.67%)
-⚠️ Risk Level: CRITICAL
-📊 Risk Meter: [█████████████████░░░] 85.7%
-🔍 Detailed Scores:
-🤖 BERT Score: 0.7834
-🏝️ Isolation Score: 0.6721
-🔍 Anomaly Score: 0.8945
-
-📋 Summary:
-💰 Amount: $2999.99
-🏪 Category: online
-📝 Description: SUSPICIOUS ELECTRONICS STORE XX 9999
-🎯 Fraud Probability: 0.8567 (85.67%)
-📊 Risk Level: CRITICAL
-```
-
----
-
-### **Test Case 3: Coffee Shop Purchase** ✅
-**Input:**
-```
-Transaction ID: COFFEE_001
-Amount: $8.50
-Merchant Category: restaurant
-Description: STARBUCKS COFFEE NY 5678
-Hour: 8 (8 AM)
-Day of Week: 1 (Monday)
-Days Since Last Transaction: 0.5
-Transactions (1h): 1
-Transactions (24h): 4
-Avg Amount (1h): $8.50
-Location Risk Score: 0.2
-Account Age (days): 1095
-```
-
-**Expected Output:**
-```
-🎯 Prediction: ✅ LEGITIMATE
-📈 Fraud Probability: 0.0789 (7.89%)
-⚠️ Risk Level: MINIMAL
-📊 Risk Meter: [█░░░░░░░░░░░░░░░░░░░] 7.9%
-🔍 Detailed Scores:
-🤖 BERT Score: 0.0456
-🏝️ Isolation Score: -0.3421
-🔍 Anomaly Score: 0.0234
-
-📋 Summary:
-💰 Amount: $8.50
-🏪 Category: restaurant
-📝 Description: STARBUCKS COFFEE NY 5678
-🎯 Fraud Probability: 0.0789 (7.89%)
-📊 Risk Level: MINIMAL
-```
-
----
-
-### **Test Case 4: Foreign ATM Withdrawal** ⚠️
-**Input:**
-```
-Transaction ID: ATM_001
-Amount: $500.00
-Merchant Category: atm
-Description: ATM WITHDRAWAL FOREIGN COUNTRY 0000
-Hour: 23 (11 PM)
-Day of Week: 0 (Sunday)
-Days Since Last Transaction: 0.1
-Transactions (1h): 5
-Transactions (24h): 8
-Avg Amount (1h): $200.00
-Location Risk Score: 0.8
-Account Age (days): 365
-```
-
-**Expected Output:**
-```
-🎯 Prediction: 🚨 FRAUD DETECTED
-📈 Fraud Probability: 0.6743 (67.43%)
-⚠️ Risk Level: HIGH
-📊 Risk Meter: [█████████████░░░░░░░] 67.4%
-🔍 Detailed Scores:
-🤖 BERT Score: 0.5987
-🏝️ Isolation Score: 0.4521
-🔍 Anomaly Score: 0.7234
-
-📋 Summary:
-💰 Amount: $500.00
-🏪 Category: atm
-📝 Description: ATM WITHDRAWAL FOREIGN COUNTRY 0000
-🎯 Fraud Probability: 0.6743 (67.43%)
-📊 Risk Level: HIGH
-```
-
----
-
-### **Test Case 5: Crypto Transaction** 🚨
-**Input:**
-```
-Transaction ID: CRYPTO_001
-Amount: $1250.75
-Merchant Category: online
-Description: CRYPTO EXCHANGE WITHDRAW BTC
-Hour: 2 (2 AM)
-Day of Week: 5 (Friday)
-Days Since Last Transaction: 0.02
-Transactions (1h): 15
-Transactions (24h): 30
-Avg Amount (1h): $800.00
-Location Risk Score: 0.85
-Account Age (days): 45
-```
-
-**Expected Output:**
-```
-🎯 Prediction: 🚨 FRAUD DETECTED
-📈 Fraud Probability: 0.9123 (91.23%)
-⚠️ Risk Level: CRITICAL
-📊 Risk Meter: [██████████████████░░] 91.2%
-🔍 Detailed Scores:
-🤖 BERT Score: 0.8765
-🏝️ Isolation Score: 0.7891
-🔍 Anomaly Score: 0.9234
-
-📋 Summary:
-💰 Amount: $1250.75
-🏪 Category: online
-📝 Description: CRYPTO EXCHANGE WITHDRAW BTC
-🎯 Fraud Probability: 0.9123 (91.23%)
-📊 Risk Level: CRITICAL
-```
-
----
-
-## 🎯 **How to Test:**
-
-1. **Quick Test**: Use the "Load Sample" dropdown to automatically populate fields with these test cases
-2. **Manual Test**: Copy the input values manually into the interface
-3. **Custom Test**: Modify any values to see how they affect the fraud probability
-
-## 📊 **Understanding Risk Levels:**
-
-- **MINIMAL** (0-20%): Very low fraud risk, typical normal transactions
-- **LOW** (20-40%): Slightly elevated but generally safe
-- **MEDIUM** (40-60%): Moderate risk, requires attention
-- **HIGH** (60-80%): High fraud probability, should be flagged
-- **CRITICAL** (80-100%): Very high fraud risk, immediate action needed
-
-## 🔍 **Key Fraud Indicators:**
-
-- **High amounts** at unusual times (late night/early morning)
-- **Foreign locations** with high risk scores
-- **Suspicious descriptions** with unusual merchant names
-- **High transaction frequency** in short time periods
-- **New accounts** with large transactions
-- **Weekend/night** transactions combined with other risk factors
-
-These test cases cover the spectrum from clearly legitimate transactions to obvious fraud attempts, helping you validate that the model is working correctly!