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Author

R. Puspitasari

2 papers indexed here

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Open access 2026

Model-Dependent Calibration Effects of Imbalance Handling in Credit Card Fraud Detection

Class imbalance correction methods such as class weighting and synthetic oversampling are widely used to improve fraud detection, but they can distort the probability estimates that risk scoring depends on. This study evaluates the calibration cost of two common imbalance handling strategies, inverse frequency class we...

I'tishom Al Khoiry, Ika Menarianti, S. S. Akbar et al. · 0 citations
Open access Sep 2026

DETERMINANTS OF PROPERTY FIRM VALUE: GOVERNMENT-BORNE VALUE-ADDED TAX MODERATION

This study investigates the influence of financial performance, firm size, and sales growth on the valuation of listed property companies in Indonesia, and examines the moderating effect of the Government-Borne Value Added Tax policy. Employing a quantitative approach with panel data regression under a Fixed Effect Mod...

J. Ardiansyah, R. Puspitasari, Firdaus Amyar · 0 citations

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