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Add student loan balance imputation #239

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Add student loan balance imputation #239

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8c3792f
Add student loan balance imputation
MaxGhenis Dec 1, 2025
a619063
Use QRF model for student loan balance imputation instead of scaling
MaxGhenis Dec 1, 2025
83767e2
Add student loan calibration targets
MaxGhenis Dec 1, 2025
d00c967
Simplify student loan balance imputation to plan-based approach
MaxGhenis Dec 1, 2025
0cdbfc9
Add mean_quantile parameter to QRF predict method
MaxGhenis Dec 1, 2025
b87ec25
Add HRP age band as critical predictor for QRF model
MaxGhenis Dec 1, 2025
652bfd5
Add tenure and employment predictors to QRF model
MaxGhenis Dec 1, 2025
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8 changes: 7 additions & 1 deletion policyengine_uk_data/datasets/create_datasets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ def main():
"Impute capital gains",
"Impute salary sacrifice",
"Impute student loan plan",
"Impute student loan balance",
"Uprate to 2025",
"Calibrate dataset",
"Downrate to 2023",
Expand Down Expand Up @@ -58,6 +59,7 @@ def main():
impute_services,
impute_salary_sacrifice,
impute_student_loan_plan,
impute_student_loan_balance,
)

# Apply imputations with progress tracking
Expand Down Expand Up @@ -93,6 +95,10 @@ def main():
frs = impute_student_loan_plan(frs, year=2023)
update_dataset("Impute student loan plan", "completed")

update_dataset("Impute student loan balance", "processing")
frs = impute_student_loan_balance(frs, year=2023)
update_dataset("Impute student loan balance", "completed")

# Uprate dataset
update_dataset("Uprate to 2025", "processing")
frs = uprate_dataset(frs, 2025)
Expand Down Expand Up @@ -149,7 +155,7 @@ def main():
details={
"base_dataset": "frs_2023_24.h5",
"enhanced_dataset": "enhanced_frs_2023_24.h5",
"imputations_applied": "consumption, wealth, VAT, services, income, capital_gains, salary_sacrifice, student_loan_plan",
"imputations_applied": "consumption, wealth, VAT, services, income, capital_gains, salary_sacrifice, student_loan_plan, student_loan_balance",
"calibration": "national and constituency targets",
},
)
Expand Down
5 changes: 4 additions & 1 deletion policyengine_uk_data/datasets/imputations/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,4 +5,7 @@
from .capital_gains import *
from .services import impute_services
from .salary_sacrifice import impute_salary_sacrifice
from .student_loans import impute_student_loan_plan
from .student_loans import (
impute_student_loan_plan,
impute_student_loan_balance,
)
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