Kulit merupakan organ terluar dari tubuh yang melapisi tubuh manusia dan memiliki sifat elastis untuk melindungi tubuh manusia dari pengaruh lingkungan. Terdapat lima jenis kulit wajah yaitu kulit normal, kulit kering, kulitberminyak, kulit kombinasi, dan kulit sensitive. Mengetahui jenis kulit adalah dasar sebelum melakukan rutinitas perawatan pagi dan malam hari, sebab itu perawatan yang dipakai harus sesuai dengan jenis kulit wajah setiap orang agar mendapatkan hasil yang maksimal. Namun, masih banyak masyarakat yang tidak mengetahui jenis kulit dan akhirnya melakukan perawatan yang kurang optimal. Penelitian ini mengusulkan sebuah sistem untuk melakukan identifikasi jenis kulit wajah menggunakan metode K-Nearest Neighbor berdasarkan 18 kriteria. Data yang digunakan sebanyak 35 data yang dikumpulkan menggunakan kuesioner dan divalidasi oleh pakar. Dari hasil pengujian diketahui nilai precision adalah 80%, recall 60%, F1 measure 67% dan akurasi 60% dengan k=1 dan k =2.
Finding a right strategy to attract tourists is important for tourism businesses. Seeing that the majority of Indonesian population is Muslim, making tourism businesses hold a halal tour. However, it is also necessary to know the factors of tourists choosing a tourist destination so that tourism actors can make travel plans that make tourists choose them. So as to support this research, a questionnaire has been distributed to 50 potential tourists whose contents consist of respondent profiles, market conditions, marketing mix which consists of: products offered, prices, travel locations, promotions carried out, employees, programs offered, and cooperation. Questionnaires were processed with SPSS, based on the validity and reliability tests showed that respondents gave positive results for 27 variabels with Cronbach’s Alpha about 0.841 and KMO 0.725.
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