Klasifikasi Aroma Alkohol Menggunakan Metode KNN
Abstract
Alkohol adalah senyawa-senyawa dimana satu atau lebih atom hidrogen dalam sebuah alkana digantikan oleh sebuah gugus -OH. Alkohol memiliki ikatan yang mirip air. Alkohol terdiri dari molekul polar. Dalam senyawa alkohol, oksigen mengemban muatan negatif parsial. Alkohol telah digunakan oleh orang di seluruh dunia, dalam makanan standar, untuk higienis / alasan medis, untuk relaksan dan efek euforia, untuk tujuan rekreasi, untuk inspirasi artistik, sebagai aphrodisiacs, dan untuk alasan lain. Alkohol memiliki beberapa jenis senyawa diantaranya adalah octanol, propanol, Butanol, propanol, dan isobutanol. Oleh karena itu dibutuhkan sensor untuk mendeteksi jenis bahan kimia pada suatu cairan berdasarkan aromanya dengan menerapkan salah satu metode klasifikasi yaitu K-Nearest Neighbor (KNN). Pengujian system ini terdiri dari pengujian pengaruh nilai K dan pengaruh nilai crossvalidation. Hasil dari pengujian pengaruh nilai K menghasilkan akurasi optimum senilai 100% pada nilai K=3 dan 100% pada nilai K=4
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