Judul: Model regresi spasial untuk deteksi faktor-faktor kemiskinan di Provinsi Jawa Timur
Abstrak: Poverty is one of the biggest problems in Indonesia. An approach to overcome this problem is to determine the factors that affect poverty usually using ordinary least square regression model (OLS). However, poverty is not only influenced by explanatory variables but also by various aspects related to surrounding locations. Therefore, this research employed spatial regression models, i.e. Spatial Autoregressive Models (SAR), Spatial Error Models (SEM), and Spatial General Models (SGM). Contiguity matrix is as spatial weighting matrix. The model selection criteria are the coefficient of determination (R2), slope regression of dependent variable to its estimator and the value of RMSE (Root Mean Square Error). The results show that SAR is better regression model than OLS and the factors that affect poverty are the percentage of people who did not complete primary school (SD), the percentage of people who drink another kind of water instead of drinking water, and the percentage of people who live in unhealthy houses with floor area at least 8 m2 per capita.
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Judul: Model otoregresi simultan dan otoregresi bersyarat untuk analisis kemiskinan di Provinsi Jawa Timur
Abstrak: Poverty is one of the biggest problems in Indonesia. An approach to overcome this problem is determining the factors that affect poverty usually using ordinary least square regression model. However, poverty is not only influenced by explanatory variables but also poverty at surrounding locations. Therefore, this research employed spatial autoregressive models, i.e. Simultaneously Autoregressive (SAR) and Conditional Autoregressive (CAR). Spatial weighting matrix used in this study is the contiguity matrix. The statistics used for selection criteria model are the Akaike Information Criterion (AIC), the significancy of coefficient regression and variance parameters. The results show that they have same quality for spatial autoregressive models. The factors that affect poverty are the percentage of people who did not complete primary school (SD), the percentage of people who drink another kind of water instead of drinking water, and the percentage of people that getting healthy insurance, the percentage of people that getting subsidized rice, and the percentage of people that have poverty letter. LISA shows that hotspot of poverty on the island of Madura.
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Judul: Pembuatan kecap ikan secara hidrolisis kimia dari daging merah Ikan Tuna (Thunnus albacares)
Abstrak: Umumnya ikan tuna ditangani dan dimanfaatkan dalam bentuk segar atau diproses menjadi loin tuna beku dan tuna kaleng. Selama proses pengolahan loin tuna beku akan dihasilkan sejumlah limbah, diantaranya daging merah ikan tuna. Daging merah ikan tuna ini sebenarnya masih dapat dimanfaatkan, salah satunya menjadi kecap ikan. secara Kecap ikan dapat dibuat dengan cepat, yaitu hidrolisis asam dengan menggunakan HCl 6 N pada suhu 80 85° C selama 18 jam. Untuk meningkatkan nilai organoleptiknya, maka dapat digunakan karamel. Penelitian ini bertujuan untuk memanfaatkan limbah berupa daging merah hasil pengolahan loin tuna beku menjadi produk yang memiliki nilai ekonomis dalam waktu yang lebih singkat. Selain itu juga untuk mendapatkan kecap ikan yang berprotein tinggi dengan cara mengetahui pengaruh perbandingan ikan dengan HCl yang digunakan serta mengetahui pengaruh penambahan karamel terhadap mutu kecap ikan yang dihasilkan terutama nilai leptiknya. Perbandingan ikan dengan HCl yang adalah 2: 1 (A1), 1:1 (A2), 12 (A3). organo- dicobakan Sedangkan ...
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