<mets:mets OBJID="eprint_33128" LABEL="Eprints Item" xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-3.xsd" xmlns:mets="http://www.loc.gov/METS/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><mets:metsHdr CREATEDATE="2026-10-22T20:54:58Z"><mets:agent ROLE="CUSTODIAN" TYPE="ORGANIZATION"><mets:name>EPrints Universitas Amikom Yogyakarta</mets:name></mets:agent></mets:metsHdr><mets:dmdSec ID="DMD_eprint_33128_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:titleInfo><mods:title>KOMPARASI PERFORMA ALGORITMA MACHINE&#13;
LEARNING PADA DATASET DIABETES DENGAN&#13;
PENANGANAN IMBALANCED DATA</mods:title></mods:titleInfo><mods:name type="personal"><mods:namePart type="given">Iqbal Faris</mods:namePart><mods:namePart type="family">Ihsani</mods:namePart><mods:role><mods:roleTerm type="text">author</mods:roleTerm></mods:role></mods:name><mods:abstract>Penyakit diabetes melitus merupakan gangguan metabolisme kronis yang&#13;
memerlukan deteksi dini. Pemanfaatan machine learning pada data rekam medis&#13;
sangat berpotensi untuk membantu diagnosis, namun sering terkendala oleh&#13;
ketidakseimbangan kelas (imbalanced data) yang memicu bias pada prediksi model.&#13;
Penelitian ini bertujuan membandingkan performa algoritma klasifikasi ensemble&#13;
tree (XGBoost, LightGBM, dan CatBoost) serta menguji efektivitas Synthetic&#13;
Minority Over-sampling Technique (SMOTE) dalam mengatasi masalah&#13;
ketidakseimbangan data tersebut. &#13;
Eksperimen menggunakan Pima Indians Diabetes Dataset dengan&#13;
menerapkan tahapan prapemrosesan seperti imputasi missing value, pembagian&#13;
data latih dan uji (90:10), serta penerapan SMOTE secara eksklusif pada data latih.&#13;
Model dioptimalkan melalui hyperparameter tuning dan dievaluasi menggunakan&#13;
metrik accuracy, precision, recall, F1-score, serta ROC-AUC.  &#13;
Hasil penelitian menunjukkan bahwa SMOTE efektif mengatasi bias&#13;
prediksi terhadap kelas mayoritas (pasien sehat). Berdasarkan komparasi, algoritma&#13;
XGBoost memberikan performa paling superior dan seimbang dengan capaian&#13;
accuracy 85,71%, precision 75,00%, recall 88,88%, F1-Score 81,35%, dan ROCAUC&#13;
87,85%.&#13;
Secara&#13;
keseluruhan,&#13;
XGBoost&#13;
direkomendasikan&#13;
sebagai&#13;
arsitektur&#13;
&#13;
terbaik&#13;
untuk&#13;
pengembangan&#13;
sistem&#13;
diagnosis&#13;
dini&#13;
risiko&#13;
diabetes&#13;
yang&#13;
andal&#13;
secara&#13;
&#13;
klinis</mods:abstract><mods:classification authority="lcc">000 Ilmu komputer, informasi dan pekerjaan umum</mods:classification><mods:originInfo><mods:dateIssued encoding="iso8061">2026-04-20</mods:dateIssued></mods:originInfo><mods:originInfo><mods:publisher>Universitas AMIKOM Yogyakarta;Fakultas Ilmu Komputer</mods:publisher></mods:originInfo><mods:genre>Thesis</mods:genre></mets:xmlData></mets:mdWrap></mets:dmdSec><mets:amdSec ID="TMD_eprint_33128"><mets:rightsMD ID="rights_eprint_33128_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:useAndReproduction>
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