Class-imbalance methods in regression-based anaemia screening: a comparative evaluation

Islomova, Munisa

Al-Farg'oniy avlodlari · 2026-yil

Annotatsiya

Imbalance corrections are known to harm calibration without improving discrimination in logistic risk models, but this has not been examined where a regressor predicts a continuous marker and categories follow from diagnostic cut-offs. Using 103 pregnant women, we compared class weighting, focal-style weighting, SMOTER and binary collapse against an unmodified baseline and a decision-threshold shift. Across 50 matched folds no method changed AUC significantly, while threshold shifting produced the largest sensitivity gain.

Maqola ma’lumotlari
MualliflarIslomova, Munisa
JurnalAl-Farg'oniy avlodlari
NashriyotТАТУ Фарғона филиали
ISSN2181-4252
Nashr sanasi2026-08-23
Son3
Betlar64-71
TilIngliz
Ilmiy sohaTexnika
Indeksga qo‘shilgan2026-08-26

Kalit so‘zlar

class imbalance, haemoglobin regression, decision threshold, WHO cut-off, non-invasive screening, anaemia in pregnancy, small clinical datasets, AUC-ROC

Ilmiy soha

Iqtibos keltirish

APAIslomova, Munisa (2026). CLASS-IMBALANCE METHODS IN REGRESSION-BASED ANAEMIA SCREENING: A COMPARATIVE EVALUATION. Al-Farg'oniy avlodlari, (3), 64-71. https://al-fargoniy.uz/index.php/journal/article/view/1237
GOST (OAK)Islomova, Munisa CLASS-IMBALANCE METHODS IN REGRESSION-BASED ANAEMIA SCREENING: A COMPARATIVE EVALUATION // Al-Farg'oniy avlodlari. – 2026. – № 3. – P. 64-71.
MLAIslomova, Munisa. “CLASS-IMBALANCE METHODS IN REGRESSION-BASED ANAEMIA SCREENING: A COMPARATIVE EVALUATION.” Al-Farg'oniy avlodlari, (3), 64-71, 2026. https://al-fargoniy.uz/index.php/journal/article/view/1237
ChicagoIslomova, Munisa. “CLASS-IMBALANCE METHODS IN REGRESSION-BASED ANAEMIA SCREENING: A COMPARATIVE EVALUATION.” Al-Farg'oniy avlodlari, (3), 64-71 (2026). https://al-fargoniy.uz/index.php/journal/article/view/1237
HarvardIslomova, Munisa (2026) ‘CLASS-IMBALANCE METHODS IN REGRESSION-BASED ANAEMIA SCREENING: A COMPARATIVE EVALUATION’, Al-Farg'oniy avlodlari, (3), 64-71. https://al-fargoniy.uz/index.php/journal/article/view/1237
BibTeX
@article{islomovamunisa2026,
  title = {CLASS-IMBALANCE METHODS IN REGRESSION-BASED ANAEMIA SCREENING: A COMPARATIVE EVALUATION},
  author = {Islomova, Munisa},
  journal = {Al-Farg'oniy avlodlari},
  year = {2026},
  number = {3},
  pages = {64-71},
  url = {https://al-fargoniy.uz/index.php/journal/article/view/1237}
}

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