Stunting adalah kondisi gagal tumbuh pada balita akibat kekurangan asupan gizi dan infeksi yang berkepanjangan yang mengakibatkan tinggi badan yang lebih pendek dari standar usianya. Indonesia saat ini menjadi urutan ke 4 dalam tingginya kasus prevelensi stunting menurut standar World Health Organization. Adapun tujuan dari penelitian ini untuk mengelompokkan provinsi mana yang mengalami bayi stunting dengan cluster tertinggi maupun cluster terendah yang berguna sebagai masukan bagi pemerintah untuk menangani dengan cepat penurunan stunting di Indonesia. Data yang digunakan dari penelitian ini di dapat dari Badan Pusat Statistika (BPS) dengan nama indikator Prevelensi Stunting tahun 2015-2018. Dalam penelitian ini data di olah dengan menggunakan Algoritma K-Medoids yang merupakan salah satu bagian dari algoritma clustering yang dapat memecahkan dataset ke kelompok-kelompok diantara semua objek data dengan menggunakan objek sebagai perwakilan (medoid) dalam sebuah cluster.

Parfume is one of the distinctive scented liquids that people use to eliminate body odor, in the use of parfume, people tend to have different types of parfume according to their personality type. Based on many personalities that exist in society, the writer uses one personality Sangunis where someone who has this personality is cheerful, friendly, warm and friendly but prefers a pungent aroma because usually someone with a Sangunins personality likes to socialize wherever they are. In this article the author uses one of the SPK methods MOORA, which has the advantage of being simple, stable and easy to implement, so it is hoped that the Moora method can help someone in making a perfume selection decision.

Food is the main need for humans, so the food business is growing, one of which is catering business. With the catering business it is increasingly easier for people to provide food needs at certain meetings or events. In carrying out its business, entrepreneurs must create different advantages to attract consumer interest. One effort to make the catering business run smoothly is by predicting the amount of income. One of the methods that can be used to solve this problem is the fuzzy Tsukamoto method. Where in this study using 3 variables, namely the ordering variable (X) has a few and many fuzzy sets, the price variable (Y) has an affordable and low set, and the income variable (Z) has a low and high set. The calculation results from the prediction of the amount of income that will be obtained by Sumatra culinary catering with 400 orders and the price of Rp. 13,000 is 4,620,000 per week.