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Journal : JURNAL ISTEK

RIDGE-MM SEBAGAI SALAH SATU METODE REGRESI RIDGE YANG ROBUST TERHADAP DATA PENCILAN Sudartianto Sudartianto; Nono Suwarno; Ahmad Taofik
JURNAL ISTEK Vol 10, No 1 (2017): ISTEK
Publisher : JURNAL ISTEK

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Abstract

In regression analysis, least squares method used adjuster, which is used to estimate the regression parameters, contains a lot of weaknesses, if there is data in the multikolinieritas especially coupled with the outliers. To overcome these weaknesses ridge-MMregression method is used. Ridge-MM regression method is a modification of the ridge regression method is based on the MM-estimator.
PENGGUNAAN TEPUNG TALAS BOGOR (Colocasia esculenta L. Schott) TERHADAP SIFAT FISIK DAN AKSEPTABILITAS NAGGET AYAM PETELUR AFKIR Obin Rachmawan; Ahmad Taofik; Nono Suwarno
JURNAL ISTEK Vol 7, No 2 (2013): ISTEK
Publisher : JURNAL ISTEK

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Abstract

The Objective of the research was to find out the concentration level of taro flour on chiken nugget culled layer with physical condition (water holding capacity, cooking loss and tenderness) same as treatment control and most preferable acceptability (taste, flavor, tenderness and acceptance). The experimental study was based on Completely Randomized Design, with for treatments (10% tapioca as control, and 10%, 15%, and 20% taro flour usage dosage) with five replication for each treatment. ANAVA test and Tukey test were held to find out the differences of each treatment effect in this reaearch. The result of research showed that taro flour can used in chiken nugget culled layer with concentration 15%.
PENGARUH EKSTRAK DAUN SIRIH (Pipper Betle.L) SEBAGAI PERENDAM TELUR AYAM RAS KONSUMSI TERHADAP DAYA AWET PADA PENYIMPANAN SUHU RUANG Eka Wulandari; Obin Rachmawan; Ahmad Tafik Taofik; Nono Suwarno; Ahmad Faisal
JURNAL ISTEK Vol 7, No 2 (2013): ISTEK
Publisher : JURNAL ISTEK

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This research was conducted in Laboratory of Processing Livestock Product Technology at Faculty of Animal Husbandry, Padjadjaran University, Sumedang from July 31thto September 3th, 2010. The aim of this research was to find out the level of concentration of betle leaf extract as an hen’s egg soaker produce thes longest shelf life terms of haugh unit value, albumen index, and yolk index. This research used an experimental method with a Clompetely Randomized Design. There were five kinds treatments concentration level of betle leaf extract (P1=0%, P2=15%, P3=30%, P4=45%, P5=60%) with four replications. Duncan multiple range test were held to find the difference between any treatment in this research. The result of the research shows the use of betle leaf with the concentration level of 60% produce the longest shelf life 34 days in term haugh unit value, 32,75 days in terms of albumen index value and 34 days in term of yolk index value.