MY THOUGHT ABOUT TRAFFICS AND CVR IN E-COMMERCE

Getting along with some e-commerces in Indonesia, I find out it's important to maintain the traffics, but the more important thing than that is to keep the Conversion Rate (CR or CVR). Based on statistics analytics, both variables correlates each others but it doesn't mean e-commerces with higher traffics have more CAPABILITY in gaining their OPTIMUM conversions. From this, the company should really drive their campaign management strategy and monitor the customers behavior movement from month to month (MoM). On the other hand, the company also ought to focus on innovating their products. These two things, of course, come along with the quality of website or mobile apps they have.

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Beberapa Karya Tulis Ilmiah Mahesa Jundulloh

Berikut adalah beberapa karya tulisan ilmiah hasil penelitian saya (atau bersama tim), Mahesa Jundulloh (Hendra P): 

Performance Comparison Between Kimura 2-Parameters and Jukes-Cantor Model in Constructing Phylogenetic Tree of Neighbour Joining (NJ)  

Prasetya, Hendra (IPB (Bogor Agricultural University), 2011)

Small Area Estimation (SAE) untuk Pemetaan Kemiskinan (Poverty Mapping) yang Efektif Pada Level Kabupaten/Kota di Era Desentralisasi 

Prasetya, Hendra (2010)

Kajian Analitis Metode Sampling yang Tepat dengan Akurasi Tinggi untuk Estimasi Pemenang Pemilu pada Quick Count Studi Kasus : Pemilihan Gubernur Jawa Barat 2008  

Lesvian, Angga; Mulyanto, Anton; Prasetya, Hendra (2009)

Penentuan Waktu Produksi Optimum pada Usaha Pembibitan Ikan Lele Skala Rumah Tangga dengan Analisis Regresi  

Prasetya, Hendra; Lesvian, Angga (Bogor Agricultural University, Institut Pertanian Bogor, 2010)

 

Pengaruh Intensitas Cahaya dan Kandungan Mineral Pada Berbagai Media Tumbuh Terhadap Laju Fotosintesis Tanaman Hias Hidrofit Elodea (Elodea canadensis)

Yasin, Ahmad; Adistya, Rizki; Prasetya, Hendra (IPB (Bogor Agricultural University), 2011)
 

Tepung Bonggol Pisang sebagai Upaya Mengurangi Ketergantungan Bahan Baku Tepung dari Luar Negeri Bilqisti, Qoiman; Prasetya, Hendra; Susanti (Bogor Agricultural University, Institut Pertanian Bogor, 2010)

Pengaruh Pupuk P (Fosfor) Terhadap Pertumbuhan Dan Produksi Kedelai (Glycine max (L.) Merr.) Mar’ah; Khotimah, Khusnul; Prasetya, Hendra (IPB (Bogor Agricultural University), 2011)

Biofortifikasi Kalsium dari Tepung Berbahan Dasar Limbah Tulang Rawan Ayam Pedaging pada Pembuatan Susu Bubuk Kacang Komak (Lablab purpureus (L.) Sweet)  

Prasetya, Hendra; Mudapar, Malik; Furry, Citra Ayu; Yuliana, Indah (Bogor Agricultural University, Institut Pertanian Bogor, 2010)
 

Fortifikasi Kalsium dari Tepung Berbahan Dasar Tulang Rawan Ayam Pedaging pada Pembuatan Susu Bubuk Kacang Komak (Lablab purpureus (L.) Sweet)  

Yolanda Sylvia P.; Prasetya, Hendra; Ahmadun (IPB (Bogor Agricultural University), 2011)

Bioetanol Gel (B-GEL) Ubi Jalar: Produk Inovatif sebagai Sumber Energi Alternatif Pada Sektor Rumah Tangga  

Budiman, Vivandra Prima; Prasetya, Hendra; Ariawiyana, Febby (IPB (Bogor Agricultural University), 2009)

Prospek Pengembangan Serat Alam Berbasis Nanotechnology dan Electrospinning (Natural Nanofiber) dari Tanaman Rami (Boehmeria nivea [L.] Gaud) Sebagai Upaya Intensifikasi Perindustrian Nasional Adistya, Rizki; Yasin, Ahmad; Prasetya, Hendra (Bogor Agricultural University, Institut Pertanian Bogor, 2011) 

Abration, Erotion and Tsunami Handling with Vegetation Optimization and Biological Controlling

Miyasyiwi, Seztifa; Prasetya, Hendra (ADIC Malaysia - 2011)

Bioethanol from Lignocellulose by Pretreatment Method and Using Clostridium Thermocellum

Prabekti, Yolanda Sylvia; Prasetya, Hendra (2011)

 

 

Performance Comparison Between Kimura 2-Parameters and Jukes-Cantor Model in Constructing Phylogenetic Tree of Neighbour Joining (NJ)

Prasetya, Hendra

URI: http://repository.ipb.ac.id/handle/123456789/51463

Date: 2011

 

 Abstract:

Bioinformatics as a recent improvement of knowledge has made an interest for scientist to collect and analyze data to provide the best estimate of the true phylogeny. The objective of this research is to construct and compare the phylogenetic tree of Neighbour Joining (NJ) based on different models (Kimura 2-Parameters and Jukes-Cantor) and to find out which model is more reliable on constructing NJ’s tree. In order to build the tree, reliable set of data is conducted from D-loop mtDNA sequences that is available in Gen Bank. The nucleotide sequences come from Bison bison (American bison), Bos taurus (European cow such as Shorthorn), Bos indicus (zebu breeds), Bos grunniens mutus (one of subspecies of cow), and Capra hircus (species of goat). The reliability of each models was measured using the Felsentein’s bootstrap method. The whole bootstrap process for each models was repeated 1.000, 5.000, and 10.000 times to detect its reliability. The performance was measured on the basis of the consistency of the topology relationship, the stability of nodes, the consistency of bootstrap confidence level (PB), standard error of distance, change of PB from (1.000-5.000) to (5.000-1.000), computational time, and BIC score. NJ’s phylogenetic tree with kimura 2-parameters and jukes cantor model have a good node stability and is also generally successful in representing topological relationships between taxa. The increasing of bootstrap replication number in common will increase the consistency of bootstrap confidence value ( . It means both models have a good reliability. But, when the number of sequences is large and the extent of sequence divergence is low, it is generally difficult to construct the tree by any models. In conclusion, Kimura 2-Parameters has a better performance than Jukes-Cantor.

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