Dataset: southgermancredit
Round ID: 299
Prompt used:
# Coral Reef Health Classification Rules
Evaluate each coral reef using the following set of rules to determine if it is HEALTHY or STRESSED. Apply these rules sequentially and classify accordingly.
## Rule 1: Current Flow and Integrity Assessment
- If CurrentFlowQuality is "Poor" AND ReefIntegrityScore is "Very Poor", classify as STRESSED.
- If CurrentFlowQuality is "Excellent" AND ReefIntegrityScore is "Excellent" or "Good", classify as HEALTHY unless contradicted by Rule 6.
- If CurrentFlowQuality is "Poor" but ReefIntegrityScore is "Excellent", evaluate other positive factors before classification (see Rule 5).
## Rule 2: Pollution and Biodiversity Assessment
- If PollutionLevel is "Critical" AND BiodiversityIndex is "Low", classify as STRESSED.
- If BiodiversityIndex is "High" or "Very High", consider the reef POTENTIALLY HEALTHY (confirm with Rules 5 and 6).
- If PollutionLevel is "Critical" or "High" but BiodiversityIndex is "High" or "Very High" AND ReefAverageAge > 35, consider the reef POTENTIALLY HEALTHY (confirm with Rules 5 and 6).
## Rule 3: Reef and Coral Age Evaluation
- If CoralAgeEstimate ≤ 11 AND ReefAverageAge < 28, classify as STRESSED unless BiodiversityIndex is "High" or "Very High".
- If CoralAgeEstimate ≥ 16 AND ReefAverageAge > 35 AND BiodiversityIndex is not "Low", consider the reef POTENTIALLY HEALTHY (confirm with Rules 5 and 6).
## Rule 4: Bleaching and Algal Coverage Assessment
- If BleachingEventsPerYear is "Constant" AND AlgalCoverage is "Extensive" AND BiodiversityIndex is "Low" or "Medium", classify as STRESSED.
- If BleachingEventsPerYear is "Constant" but BiodiversityIndex is "High" or "Very High" AND ReefIntegrityScore is "Excellent" or "Good", this is not automatically indicative of stress (evaluate using Rules 5 and 6).
## Rule 5: Positive Health Indicators
If THREE OR MORE of the following conditions are met, classify as HEALTHY unless Rule 6 applies:
- CurrentFlowQuality is "Excellent" or "Good"
- BiodiversityIndex is "High" or "Very High"
- AlgalCoverage is "Minimal" or "Sparse"
- ReefIntegrityScore is "Excellent" or "Good"
- PollutionLevel is "Low" or "Moderate"
- ReefAverageAge > 35
- CoralAgeEstimate > 15
## Rule 6: Critical Stress Indicators
If ANY THREE of the following conditions are met, classify as STRESSED regardless of other factors:
- AcousticIntensity > 850
- PollutionLevel is "Critical" AND BiodiversityIndex is not "High" or "Very High"
- CurrentFlowQuality is "Poor" AND ReefIntegrityScore is "Very Poor" or "Poor"
- BleachingEventsPerYear is "Frequent" AND AlgalCoverage is "Extensive"
- CoralAgeEstimate < 10 AND ReefAverageAge < 25
## Rule 7: Additional Health Indicators
If a reef meets TWO of these conditions, classify as HEALTHY unless it meets Rule 6:
- ReefIntegrityScore is "Excellent" AND any one other positive indicator from Rule 5
- BiodiversityIndex is "High" or "Very High" AND ReefAverageAge > 35
- BiodiversityIndex is "High" or "Very High" AND AlgalCoverage is "Minimal"
## Default Rule
If no clear classification has been made from the above rules:
- If TWO OR MORE of these key indicators (BiodiversityIndex, ReefIntegrityScore, CurrentFlowQuality, PollutionLevel) are positive, AND AcousticIntensity < 600, classify as HEALTHY.
- If TWO OR MORE of these key indicators are negative, OR AcousticIntensity > 600 AND either PollutionLevel is "High"/"Critical" or CurrentFlowQuality is "Poor", classify as STRESSED.
- In uncertain cases where there is a balanced mix of positive and negative indicators, prioritize BiodiversityIndex and ReefIntegrityScore in the final decision.
When evaluating, apply rules in sequence but prioritize Rules 5 and 6 when their conditions are conclusively met.
Confusion Matrix:
Predicted Healthy Predicted Stressed
Actual Healthy 48 40
Actual Stressed 10 15
Accuracy: 0.558
Precision: 0.828
Recall: 0.545
F1 Score: 0.658
Examples for Correctly predicted Healthy: (Correct answer: Healthy, What the previous set of rules predicted: Healthy)
Entity Data:
CurrentFlowQuality: Fair
ObservationDuration: 52
ReefIntegrityScore: Excellent
PredatorActivityLevel: Moderate Low
AcousticIntensity: 155.7
AlgalCoverage: Extensive
CoralAgeEstimate: 26
BleachingEventsPerYear: Constant
BiodiversityIndex: High
NearbyHealthyReef: Adjacent
ReefMonitoringDuration: > 6 years
PollutionLevel: Low
ReefAverageAge: 53
DistantStressIndicators: Confirmed
ReefDepthZone: Mid-depth
PreviousStressIncidents: Minor
CoralDominantType: Encrusting
SurveyorExperience: Yes
RemoteSensorPresent: Yes
InvasiveSpeciesDetected: Yes
Examples for Falsely predicted Stressed when it should have been Healthy: (Correct answer: Healthy, What the previous set of rules predicted: Stressed)
Entity Data:
CurrentFlowQuality: Excellent
ObservationDuration: 187
ReefIntegrityScore: Moderate
PredatorActivityLevel: Moderate Low
AcousticIntensity: 1016.4
AlgalCoverage: Sparse
CoralAgeEstimate: 21
BleachingEventsPerYear: Occasional
BiodiversityIndex: Medium
NearbyHealthyReef: Absent
ReefMonitoringDuration: > 6 years
PollutionLevel: Low
ReefAverageAge: 24
DistantStressIndicators: Confirmed
ReefDepthZone: Mid-depth
PreviousStressIncidents: None
CoralDominantType: Encrusting
SurveyorExperience: Yes
RemoteSensorPresent: Yes
InvasiveSpeciesDetected: Yes
Examples for Falsely predicted Healthy when it should have been Stressed: (Correct answer: Stressed, What the previous set of rules predicted: Healthy)
Entity Data:
CurrentFlowQuality: Poor
ObservationDuration: 67
ReefIntegrityScore: Excellent
PredatorActivityLevel: None
AcousticIntensity: 225.5
AlgalCoverage: Minimal
CoralAgeEstimate: 16
BleachingEventsPerYear: Constant
BiodiversityIndex: Very High
NearbyHealthyReef: Adjacent
ReefMonitoringDuration: 1-3 years
PollutionLevel: Moderate
ReefAverageAge: 36
DistantStressIndicators: None
ReefDepthZone: Shallow
PreviousStressIncidents: Minor
CoralDominantType: Encrusting
SurveyorExperience: Yes
RemoteSensorPresent: No
InvasiveSpeciesDetected: No
Examples for Correctly predicted Stressed: (Correct answer: Stressed, What the previous set of rules predicted: Stressed)
Entity Data:
CurrentFlowQuality: Poor
ObservationDuration: 79
ReefIntegrityScore: Very Poor
PredatorActivityLevel: Low
AcousticIntensity: 413.0
AlgalCoverage: Minimal
CoralAgeEstimate: 26
BleachingEventsPerYear: Frequent
BiodiversityIndex: High
NearbyHealthyReef: Absent
ReefMonitoringDuration: > 6 years
PollutionLevel: Critical
ReefAverageAge: 26
DistantStressIndicators: None
ReefDepthZone: Shallow
PreviousStressIncidents: Minor
CoralDominantType: Encrusting
SurveyorExperience: No
RemoteSensorPresent: No
InvasiveSpeciesDetected: Yes
Round ID: 336
Prompt used:
Please use the following explicit rules to classify each row as either "Healthy" or "Stressed" reef:
1) If PredatorActivityLevel is "Severe," label the reef as "Stressed."
2) If CurrentFlowQuality is "Poor" AND DistantStressIndicators is "Confirmed," label as "Stressed."
(This helps catch reefs that are actually stressed but previously got labeled healthy.)
3) If DistantStressIndicators is "None" AND PreviousStressIncidents is "None," label as "Healthy."
(This addresses reefs that have only minor or no other risks but were mistakenly labeled stressed.)
4) If CurrentFlowQuality is "Excellent" or "Good" AND PredatorActivityLevel is not "Severe," label as "Healthy."
5) In all other cases not covered by the rules above, label as "Stressed."
Make sure to apply the rules in the order listed. Only give a single classification—either "Healthy" or "Stressed"—for each entity.
Confusion Matrix:
Predicted Healthy Predicted Stressed
Actual Healthy 41 47
Actual Stressed 4 21
Accuracy: 0.549
Precision: 0.911
Recall: 0.466
F1 Score: 0.617
Examples for Correctly predicted Healthy: (Correct answer: Healthy, What the previous set of rules predicted: Healthy)
Entity Data:
CurrentFlowQuality: Excellent
ObservationDuration: 43
ReefIntegrityScore: Excellent
PredatorActivityLevel: Low
AcousticIntensity: 335.1
AlgalCoverage: Minimal
CoralAgeEstimate: 26
BleachingEventsPerYear: Occasional
BiodiversityIndex: High
NearbyHealthyReef: Absent
ReefMonitoringDuration: > 6 years
PollutionLevel: Moderate
ReefAverageAge: 45
DistantStressIndicators: Possible
ReefDepthZone: Mid-depth
PreviousStressIncidents: None
CoralDominantType: Encrusting
SurveyorExperience: Yes
RemoteSensorPresent: No
InvasiveSpeciesDetected: Yes
Examples for Falsely predicted Stressed when it should have been Healthy: (Correct answer: Healthy, What the previous set of rules predicted: Stressed)
Entity Data:
CurrentFlowQuality: Poor
ObservationDuration: 43
ReefIntegrityScore: Moderate
PredatorActivityLevel: Moderate Low
AcousticIntensity: 72.1
AlgalCoverage: Minimal
CoralAgeEstimate: 16
BleachingEventsPerYear: Constant
BiodiversityIndex: Very High
NearbyHealthyReef: Absent
ReefMonitoringDuration: 1-3 years
PollutionLevel: Low
ReefAverageAge: 43
DistantStressIndicators: Confirmed
ReefDepthZone: Mid-depth
PreviousStressIncidents: None
CoralDominantType: Massive
SurveyorExperience: Yes
RemoteSensorPresent: No
InvasiveSpeciesDetected: Yes
Examples for Falsely predicted Healthy when it should have been Stressed: (Correct answer: Stressed, What the previous set of rules predicted: Healthy)
Entity Data:
CurrentFlowQuality: Poor
ObservationDuration: 43
ReefIntegrityScore: Poor
PredatorActivityLevel: Moderate Low
AcousticIntensity: 64.6
AlgalCoverage: Minimal
CoralAgeEstimate: 16
BleachingEventsPerYear: Constant
BiodiversityIndex: Medium
NearbyHealthyReef: Absent
ReefMonitoringDuration: > 6 years
PollutionLevel: Low
ReefAverageAge: 27
DistantStressIndicators: None
ReefDepthZone: Mid-depth
PreviousStressIncidents: None
CoralDominantType: Massive
SurveyorExperience: Yes
RemoteSensorPresent: No
InvasiveSpeciesDetected: Yes
Examples for Correctly predicted Stressed: (Correct answer: Stressed, What the previous set of rules predicted: Stressed)
Entity Data:
CurrentFlowQuality: Fair
ObservationDuration: 25
ReefIntegrityScore: Moderate
PredatorActivityLevel: None
AcousticIntensity: 1457.5
AlgalCoverage: Extensive
CoralAgeEstimate: 6
BleachingEventsPerYear: Rare
BiodiversityIndex: High
NearbyHealthyReef: Absent
ReefMonitoringDuration: 1-3 years
PollutionLevel: Moderate
ReefAverageAge: 26
DistantStressIndicators: Confirmed
ReefDepthZone: Mid-depth
PreviousStressIncidents: None
CoralDominantType: Branching
SurveyorExperience: Yes
RemoteSensorPresent: Yes
InvasiveSpeciesDetected: Yes
Round ID: 349
Prompt used:
Given the entity data for a reef observation, predict the reef status as Healthy or Stressed based on the following rule: If Observation Duration is less than or equal to 50, Predator Activity Level is Severe, Bleaching Events Per Year is Frequent, and Reef Integrity Score is Poor or Fair, predict Stressed. Otherwise, predict Healthy.
Confusion Matrix:
Predicted Healthy Predicted Stressed
Actual Healthy 88 0
Actual Stressed 25 0
Accuracy: 0.779
Precision: 0.779
Recall: 1.000
F1 Score: 0.876
Examples for Correctly predicted Healthy: (Correct answer: Healthy, What the previous set of rules predicted: Healthy)
Entity Data:
CurrentFlowQuality: Excellent
ObservationDuration: 52
ReefIntegrityScore: Moderate
PredatorActivityLevel: Moderate Low
AcousticIntensity: 358.8
AlgalCoverage: Minimal
CoralAgeEstimate: 26
BleachingEventsPerYear: Constant
BiodiversityIndex: Medium
NearbyHealthyReef: Absent
ReefMonitoringDuration: 1-3 years
PollutionLevel: High
ReefAverageAge: 57
DistantStressIndicators: None
ReefDepthZone: Shallow
PreviousStressIncidents: None
CoralDominantType: Soft
SurveyorExperience: Yes
RemoteSensorPresent: Yes
InvasiveSpeciesDetected: Yes
Examples for Falsely predicted Healthy when it should have been Stressed: (Correct answer: Stressed, What the previous set of rules predicted: Healthy)
Entity Data:
CurrentFlowQuality: Poor
ObservationDuration: 34
ReefIntegrityScore: Moderate
PredatorActivityLevel: None
AcousticIntensity: 144.2
AlgalCoverage: Minimal
CoralAgeEstimate: 11
BleachingEventsPerYear: Frequent
BiodiversityIndex: High
NearbyHealthyReef: Absent
ReefMonitoringDuration: 1-3 years
PollutionLevel: Critical
ReefAverageAge: 30
DistantStressIndicators: Confirmed
ReefDepthZone: Deep
PreviousStressIncidents: None
CoralDominantType: Soft
SurveyorExperience: Yes
RemoteSensorPresent: Yes
InvasiveSpeciesDetected: Yes
| Predicted + | Predicted - | |
|---|---|---|
| Actual + | 66 | 22 |
| Actual - | 12 | 13 |
Accuracy 0.699, Precision 0.846, Recall 0.750, F1 0.795