Analysing Credit Risk with KPIs
BUSINESS
REQUIREMENT
The fundamental objective of our project centers around the comprehensive analysis and evaluation of credit risk assessment and default prediction within the context of our lending practices. We aim to enhance our decision-making process and bolster our risk management strategies by harnessing advanced data analytics and predictive modeling techniques. The business requirement encompasses the need to develop a robust and accurate credit risk assessment model that will aid in identifying potential defaulters and optimizing our loan approval procedures. This model is envisioned to leverage a diverse range of borrower attributes, historical loan data, and economic indicators to make well-informed lending decisions. Ultimately, this initiative strives to strike a balance between minimizing default rates while ensuring that creditworthy applicants have access to the financial resources they require.
SMART GOAL
Our project's SMART goal is designed to ensure a focused and achievable
outcome that aligns with our business objectives and aspirations. Specifically,
our SMART goal is to reduce the loan default rate by 20% within the next fiscal
year. This goal is Specific in targeting the loan default rate, Measurable
through the quantifiable reduction of 20%, Achievable by leveraging advanced
credit risk assessment models and optimized lending strategies, Relevant as it
directly impacts our risk management and financial health, and Time-bound with
a clear one-year timeframe for achieving this reduction. By adopting a SMART
goal, we are committed to implementing effective strategies, refining our risk
assessment processes, and actively working toward a substantial improvement in
our lending practices within the defined time frame.
SCOPE OF
PROJECT
Credit risk analysis is a form of analysis performed by a credit analyst on
potential borrowers to determine their ability to meet debt obligations. The
main goal of credit analysis is to determine the creditworthiness of potential
borrowers and their ability to honor their debt obligations.
If the borrower presents an acceptable level of default risk, the analyst
can recommend the approval of the credit application at the agreed terms. The
outcome of the credit risk analysis determines the risk rating that the
borrower will be assigned and their ability to access credit.
When calculating the credit risk of a particular borrower, lenders
consider various factors commonly referred to as the “5 Cs of Credit.” The
factors include the borrower’s capacity to repay credit, character, capital,
conditions, and collateral. The lender uses the factors to evaluate the
characteristics of the borrower and the conditions of the loan to estimate the
probability of default and the subsequent risk of financial loss.
Credit analysts may use various financial analysis techniques, such as
ratio analysis and trend analysis to obtain measurable numbers that quantify
the credit loss. The techniques measure the risk of credit loss due to changes
in the creditworthiness of borrowers.
When measuring the
credit loss, we consider both losses from counterparty default, as well as
deteriorating credit risk rating.
AUDIENCE
Our project's audience is composed of diverse stakeholders who collectively contribute to and benefit from the enhancement of our credit risk assessment and default prediction methodologies. The primary audiences include:
- Credit Risk Analysts
- Lending Manager
- Data Scientists
- Executives and Decision
- Regulatory Authorities
- Investors and Shareholders
- Customer
- Academic and Research Community
ASSUMPTIONS
Our project operates under several key assumptions that guide our approach and outcomes. These assumptions help establish a framework for the analysis and interpretation of credit risk assessment and default prediction. The following are the primary assumptions that underpin our project:-
- Data Quality and Availability
We assume that the dataset we are utilizing is representative of the broader population and accurately reflects historical loan data and borrower attributes. Any discrepancies or outliers within the dataset are addressed through appropriate data preprocessing techniques.
- Model Generalization
We assume that the predictive models we develop based on the provided dataset will generalize well to new and unseen data. This assumption is grounded in the principle that the patterns and relationships identified in historical data will hold true in future scenarios.
- Feature Importance
We assume that the features (variables) selected for credit risk assessment are relevant and contribute meaningfully to the prediction of loan defaults. Feature engineering techniques are employed to enhance the predictive power of the models.
- Risk Factors Stability
We assume that the risk factors affecting creditworthiness remain relatively stable over the defined period of analysis. While economic conditions can fluctuate, we assume that the models' insights are relevant within the timeframe of the project.
- Model Assumptions
We acknowledge that the models we employ, such as logistic regression or decision trees, make certain assumptions about the relationships between variables. While these assumptions are generally met, we are conscious of potential model limitations.
- External Variable
We assume that the external economic indicators used in the analysis provide relevant insights into the overall economic environment and its influence on loan defaults
- Business Context
We
assume that the insights and recommendations generated by our project will be
considered alongside existing business strategies, lending policies, and risk
management practices.
DATA
SOURCE
This is a simple
version of the original dataset. The purpose is to illustrate the process and
the techniques needed for the prediction of the possible default.
·
person_age (numeric) - Represents the age
of the individuals applying for loans.
·
person_income (numeric) - Indicates the
income of loan applicants.
·
person_home_ownership (text: own, rent,
or free) - Specifies the type of housing ownership for the applicants.
·
person_emp_length (numeric) - Describes
the length of employment for loan applicants.
·
loan_intent (text) - Describes the
purpose or intent for which the loan is sought.
·
loan_grade (text) - Represents the grade
or risk classification assigned to the loan.
·
loan_amnt (numeric) - Denotes the amount
of the loan applied for.
·
loan_int_rate (numeric) - Indicates the
interest rate associated with the loan.
·
loan_status (numeric) - Represents the
loan status, where 1 may indicate default, and 0 may indicate non-default.
·
loan_percent_income (numeric) -
Represents the percentage of income dedicated to loan repayments.
·
cb_person_default_on_file (text: Y, N) -
Indicates whether the loan applicant has a default record on file.
·
cb_person_cred_hist_length (numeric) -
Represents the length of the applicant's credit history.
HIGH-LEVEL ARCHITECTURE
- Data Collection and Integration
Gather historical loan data, including borrower attributes, loan amounts, durations, and outcomes. Integrate relevant external economic indicators for context.
- Data Preprocessing
Cleanse and preprocess the data, handling missing values, outliers, and data normalization. Feature engineering techniques enhance the dataset's predictive power.
- Predictive Modeling
Develop and train predictive models using techniques such as logistic regression, decision trees, or ensemble methods. These models analyze borrower data to predict credit risk.
- Model Evaluation
Assess
model performance using accuracy, precision, recall, and AUC metrics.
Cross-validation techniques ensure robustness and generalization.
- KPI Definition
Define key performance indicators (KPIs) relevant to credit risk assessment, including default rate, precision, recall, and specificity.
- Data Visualization
Utilize Tableau for creating interactive visualizations and dashboards that showcase KPIs, trends, and insights from the models.
- Drill-Down Functionality
Implement drill-down capabilities within visualizations to allow users to explore data at different levels of granularity.
- Assumption Validation
Continuously validate assumptions regarding data quality, model performance, and external factors' stability.
- Documentation
Create detailed documentation that outlines methodologies, assumptions, models, visualizations, and their interpretation.
- Stakeholder Engagement
Collaborate with stakeholders, including credit risk analysts, lending managers, and executives, to align insights with business strategies.
- Decision-Making Support
Provide actionable insights to stakeholders for informed lending decisions and risk management strategies.
- Feedback Loop
Gather
feedback from stakeholders, incorporate insights, and iteratively refine models
and visualizations for enhanced accuracy and relevance.
PROJECT
SCHEDULE
Our project schedule is organized into the following phases and milestones:
- Project Initiation (Day 1-2)
- Data Collection and Preprocessing (Day 1-2)
- Model Development (Day 2-4)
- Model Evaluation and Validation (Day 2-3)
- KPI Definition and Visualization (Day 3-4)
- Assumption Validation (Day 3-4)
- Documentation and Reporting (Day 4-5)
- Finalization and Presentation (Day 5)
- Project Wrap-Up (Day 5)
PROJECT
TEAM STRUCTURE
Our project team structure is designed to leverage diverse expertise and ensure the successful execution of our credit risk assessment and default prediction project. The team members and their respective roles are as follows:
- Project Manager
- Data Scientist/Analyst
- Domain Expert (Credit Risk Analyst)
- Data Engineer
- Visualization Specialist
- Documentation Lead
- Stakeholder Engagement Lead
- Quality Assurance Analyst
- Presentation Coordinator
- Feedback Integrator
KPI DESIGN
DOCUMENT
- Average Loan Amount
The "Average Loan Amount" is a numeric value representing the
typical size of loans in your dataset. It provides a straightforward measure of
the average loan amount borrowed by individuals.
Presentation: This KPI is presented as a single numeric value.
- Average Age of Borrowers
The "Average Age of Borrowers" is a numeric value that reflects
the average age of individuals taking out loans. It offers insights into the
age distribution of borrowers.
Presentation: This KPI is presented as a single numeric value.
- Average Income of Borrowers
The "Average Income of Borrowers" is a numeric value indicating
the average income of individuals borrowing money. It helps understand the
income levels of borrowers.
Presentation: This KPI is presented as a single numeric value.
- Current Default Rate
The "Current Default Rate" is a numeric value representing the
percentage of loans that have defaulted at the present moment. It provides an
immediate snapshot of the credit risk.
Presentation: This KPI is presented as a single numeric value.
- Loan-to-Income Ratio
The "Loan-to-Income Ratio" is a numeric value that measures the
proportion of a borrower's income dedicated to loan repayments. It assesses the
affordability of loans.
Presentation: This KPI is presented as a single numeric value.
- Current Approval Rate
The "Current Approval Rate" is a numeric value representing the
percentage of loan applications that have been approved at the present time.
Presentation: This KPI is
presented as a single numeric value.
- Average Interest Rate
The "Average Interest Rate" is a numeric value that signifies
the average interest rate applied to loans. It helps assess the cost of
borrowing.
Presentation: This KPI is presented as a single numeric value.
The "Loan Grade Distribution" is displayed as a pie chart. It illustrates the distribution of loans by different grades, offering insights into the risk profile of borrowers.
Presentation: This KPI is visualized as a pie chart.
- Loan Purpose Distribution
The "Loan Purpose Distribution" is presented as a pie chart. It
showcases the distribution of loans based on the purpose for which they were
borrowed.
Presentation: This KPI is visualized as a pie chart.
- Default Rate by Home Ownership
The "Default Rate by Home Ownership" is presented as a bar
chart. It compares the default rates among different categories of home
ownership (e.g., Rent, Own, Mortgage).
Presentation: This KPI is visualized as a bar chart.
- Default Rate by Loan Intent
The "Default Rate by Loan Intent" is presented as a bar chart.
It compares the default rates for loans categorized by their intended purpose
(e.g., Personal, Education, Medical).
Presentation: This KPI is visualized as a bar chart.
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