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Segmentasi Pelanggan Ritel Global dan Inggris Menggunakan RFM dan K-Means Clustering
Prayitno Prayitno
; Irawan Irawan
; Marrylinteri Istoningtyas
Prosiding Seminar Nasional Ilmu Teknik
Vol 2
, No 2
(2026)
Transaction logs in online retail provide opportunities for data-driven customer segmentation. This study segments customers at two scopes global (all countries) and United Kingdom (UK) using Recency, Frequency, and Monetary (RFM) features derived from the Online Retail transaction dataset. After cleaning cancellations and invalid records, RFM variables are computed per customer and normalized. K-Means clustering is applied separately for global and UK data, while the number of clusters is selec...
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Cegah Bullying Sejak Dini: Edukasi Partisipatif Mahasiswa KPM UNSIQ di SDN Guyangan Purworejo
Aryadi Nursantoso
; Muhammad Wafiq Mudzakir
; Prayitno Prayitno
Jurnal Pengabdian dan Perubahan Sosial
Vol 3
, No 1
(2026)
Bullying is a serious problem in elementary schools that negatively impacts student mental health and achievement. The 2026 UNSIQ Student Community Service Program (KPM) implemented anti-bullying education at Guyangan Elementary School, Purworejo, using a participatory educational approach through literacy, creativity, and counseling. This activity targeted all students and teachers, using observation, documentation, and interviews. Results showed an increase in students' understanding of the me...
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Klasifikasi Tumor Otak pada Citra MRI Menggunakan Transfer Learning EfficientNetB1 dan Visualisasi Grad-CAM
Suyanti Suyanti
; Chandy Ophelia S
; Lies Aryani
; Prayitno Prayitno
Prosiding Seminar Nasional Ilmu Teknik
Vol 2
, No 2
(2025)
Magnetic resonance imaging (MRI) provides rich anatomical contrast for brain tumor assessment, yet routine interpretation remains time-intensive and demands high precision. This work develops a pipeline for four-class brain MRI image classification (glioma, meningioma, pituitary tumor, and no tumor) by combining automated brain-region cropping, data augmentation, and transfer learning with EfficientNetB1. Experimental results demonstrate exceptional performance, achieving an overall accuracy of...
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Penerapan Surgical Safety pada Penata Anestesi Melalui Media Video Edukasi
Fransi Arsani
; Prayitno Prayitno
; Nabhani Nabhani
Karya Nyata : Jurnal Pengabdian kepada Masyarakat
Vol 1
, No 2
(2024)
Patient safety in surgical procedures is a critical element that must be addressed by medical professionals, including anesthesiologists. The World Health Organization's (WHO) Surgical Safety Checklist (SSC) is designed to enhance patient safety during surgery, but its implementation still encounters several challenges, such as insufficient training and limited resources. This study aims to improve anesthesiologists’ understanding and compliance with the SSC through the use of educational video...
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Hubungan Posisi Spinal Blok Anestesi Dengan Terjadinya Retensi Urine Pasca Anestesi Di Ruang IBS RSUD dr. H. Jusuf SK Provinsi Kalimantan Utara
Prayitno Prayitno
; Happy Nurhayanti
; Eko Puji Rahayu
Jurnal Riset Rumpun Ilmu Kesehatan
Vol 1
, No 1
(2022)
Background: Post spinal anesthesia complications, one of which is urinary retention, it is an inabity of the bladder to partially of completely empty urine during urination. In performing injections on the subarachnoid can be done on the patient in a sitting position on the surgery table or in a tilted/lateral decubitus position. Objective: To analyze the corellation between spinal position an the occurrence of post-anesthesia urinary retention, with the inclusion criteria of patients undergoing...
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