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All Journal Bianglala Informatika : Jurnal Komputer dan Informatika Akademi Bina Sarana Informatika Yogyakarta Indonesian Journal on Software Engineering (IJSE) Jurnal Khatulistiwa Informatika Paradigma EVOLUSI : Jurnal Sains dan Manajemen Jurnal Teknologi Informasi dan Terapan (J-TIT) Indonesian Journal of Business Intelligence (IJUBI) JUSTIAN - Jurnal Sistem Informasi Akuntansi Indonesian Journal of Networking and Security - IJNS SPEED - Sentra Penelitian Engineering dan Edukasi Informatics and Computer Engineering Journal

Candra Agustina

Universitas Bina Sarana Informatika

Author-ID : 245718

Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Library & Information Science

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Komparasi Algoritma C.45 Dan Backpropagation Untuk Klasifikasi Status Gizi Balita Berdasarkan Indeks Antropometri Bb/U Dan BB/PB - Amik BSI Karawang, Nani Purwati; Agustina, Candra; - Amik BSI Yogyakarta, Gunawan Budi S
SPEED - Sentra Penelitian Engineering dan Edukasi Vol 9, No 3 (2017): Speed 2017
Publisher : APMMI - Asosiasi Profesi Multimedia Indonwsia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (472.547 KB)

Abstract - Toddler is the next generation successor of the nation. While the age of a toddler is a golden period, so from that toddler must grow and develop optimally to be a next generation of quality nation. Toddlers will grow and develop optimally if nutrition is met well. It is important to pay attention to the nutritional status of children under five that is the benchmark of a nation and society at large. The nutritional status of children can be determined based on the anthropometry index of BB / Udan BB / PB using WHO-NCHS standard. This research is a continuation of previous research aimed to comparation algorithm of C.45 and Backpropagation for classification of under five nutrition status based on anthropometry index of BB / U and BB / PB which will result in very lean, thin, normal and fat status. Variables used in this study were gender, age, weight, height, and economic status. The results of this study obtained the most accurate method for the classification of nutritional status of children using backpropagation algorithm with accuracy of 96.08% and kappa 0.907. While the algorithm C.45 obtained accuracy of 88.24% and kappa 0.725.Keywords: nutritional status, toddlers, comparison, algorithm C.45, backpropagationÂ Abstrak - Balita adalah calon penerus generasi bangsa. Sedangkan usia balita adalah masa emas, maka dari itu balita harus tumbuh dan berkembang dengan optimal untuk bisa menjadi generasi penerus bangsa yang berkualitas. Balita akan tumbuh dan berkembang dengan optimal jika gizi terpenuhi dengan baik. Penting untuk memperhatikan status gizi balita yang tolak ukur keadaan suatu bangsa dan masyarakat secara luas. Status gizi balita dapat ditentukan berdasarkan indeks antropometri BB/Udan BB/PB dengan menggunakan standar baku WHO-NCHS. Penelitian ini yang merupakan lanjutan dari penelitian sebelumnya bertujuan melakukan komparasi algoritma C.45 dan Backpropagation untuk klasifikasi status gizi balita berdasarkan indeks antropometri BB/U dan BB/PB yang akan menghasilkan status sangat kurus, kurus, normal dan gemuk. Variabel yang digunakan dalam penelitian ini yaitu jenis kelamin, umur, berat badan, tinggi badan, dan status ekonomi. Hasil dari penelitian ini diperoleh metode yang paling akurat untuk klasifikasi status gizi balita yaitu menggunakan metode algoritma backpropagation dengan accuracy sebesar 96,08% dan kappa 0,907. Sedangkan pada algoritma C.45 diperoleh nilai accuracy sebesar 88,24% dan kappa 0,725.Kata Kunci: status gizi, balita, komparasi, algoritma C.45, backpropagationÂ

IMPLEMENTASI BARCODE SCANNER PADA APLIKASI CEK HARGA DAN HITUNG (SI-CEKING) BERBASIS MOBILE F Febiyanti; Candra Agustina
Bianglala Informatika Vol 6, No 2 (2018): Bianglala Informatika 2018
Publisher : LPPM Universitas Bina Sarana Informatika

ABSTRAK - Hampir semua masyarakat pada era yang semakin modern seperti saat ini tidak asing lagi dengan smartphone, bahkan smartphone menjadi kebutuhan masyarakat dan punya peranan penting dalam menjalankan aktifitas masyarakat setiap harinya. Pada swalayan sering kali terjadi ketidak cocokan antara harga barang yang tertera dengan harga barang yang ada di database kasir. Hal ini tentu sangat merugikan dan berpengaruh terhadap kenyamanan konsumen pada saat berbelanja, karena harga yang mereka dapatkan tidak sesuai dengan yang tertera pada saat mengambil barang belanjaan. Tujuan penelitian ini adalah membuat Aplikasi Si-Ceking berbasis mobile untuk mempermudah konsumen saat berbelanja. Aplikasi ini dibuat menggunakan metode perangkat lunak model waterfall. Teknik pengumpulan data yang digunakan adalah observasi dan studi kepustakaan. Dalam perancangan aplikasi ini terlebih dahulu adalah membuat Entity Relationship Diagram (ERD) yang ditransformasikan ke Logical Record Structured (LRS) dan membuat struktur navigasi. Software yang digunakan untuk merancang aplikasi ini adalah Delphi XE8 sebagai bahasa pemrograman dan MySQL sebagai basis data untuk menyimpan data. Pengujian unit menggunakan Blackbox Testing. Hasil pengujian menunjukan Aplikasi Si-Ceking sudah berjalan sesuai harapan dan memudahkan konsumen untuk melihat harga saat berbelanja di swalayan karena bisa dilakukan menggunakan barcode scanner.Kata Kunci: Barcode Scanner, Waterfall, Si-Ceking, Smartphone. ABSTRACT - Almost all people in an increasingly modern era like today are no stranger to smartphones, even smartphones become the needs of the community and have an important role in carrying out community activities every day. At supermarkets often there is a discrepancy between the price of the goods listed with the price of the items in the cashier database. This is certainly very detrimental and influences the comfort of consumers when shopping, because the price they get is not in accordance with what is stated when picking up groceries. The purpose of this study was to create a mobile-based Si-Ceking Application to facilitate consumers when shopping. This application is created using the waterfall model software method. Data collection techniques used are literature observation and study. In designing this application first is to create an Entity Relationship Diagram (ERD) that is transformed into a Logical Record Structured (LRS) and create a navigation structure. The software used to design this application is Delphi XE8 as a programming language and MySQL as a database for storing data. Unit testing using Blackbox Testing. The test results using the Si-Ceking Application have run as expected and make it easier for consumers to see prices when shopping at supermarkets because it can be done using a barcode scanner.Keywords: Barcode Scanner, Waterfall, Si-Ceking, Smartphone

ANALISA PERILAKU PENGGUNA ANDROID DI MAGELANG DENGAN TECHNOLOGY READINESS AND ACCEPTANCE MODEL (TRAM) Candra Agustina
Bianglala Informatika Vol 1, No 1 (2013): Bianglala Informatika 2013
Publisher : LPPM Universitas Bina Sarana Informatika

Perkembangan Mobile Phone atau handpone sangat pesat belakangan ini. Selain perkembangan dibidang hardware, sistem operasi yang digunakan untuk perangkat ini juga mengalami kemajuan yang pesat. Salah satu sistem operasi yang populer saat ini adalah aplikasi android. Android adalah sistem operasi open source yang dikeluarkan oleh google. Akan tetapi penggunaan teknologi tidak lepas dari gaya hidup, artinya seringkali perangkat teknologi tersebut dipakai bukan berdasarkan kebutuhan pengguna akan tetapi untuk memenuhi gaya hidup. Penelitian yang akan dilakukan ini adalah untuk mengetahui tingkat penerimaan mobile phone berbasis android ini juga faktor-faktor apa saja yang mempengaruhi pengguna dengan menggunakan technology readiness and acceptance model (TRAM). Diharapkan ke depannya sistem operasi android, aplikasi-aplikasi didalamnya dapat dikembangkan sesuaikan dengan keinginan dan kebutuhan pengguna. Kata Kunci : Technology Readiness, Acceptance Model, Android

Aplikasi Game Pendidikan Berbasis Android Untuk Memperkenalkan Pakaian Adat Indonesia Candra Agustina; Tri Wahyudi - AMIK BSI Yogyakarta
Indonesian Journal on Software Engineering (IJSE) Vol 1, No 1 (2015): IJSE 2015
Publisher : Universitas Bina Sarana Informatika

Abstract - The development of technology is growing rapidly, one of which teknlogi mobile internet. Moreover, the emergence of mobile phones with android operating system. Users can download a variety of applications with ease. More than 700,000 available on google play, and 25 basic applications available. But most are available in the form of games that are less educated. In fact, often have a negative impact on the user, especially for children who still can not distinguish between positive and negative. Therefore, researchers wanted to create an application that besides providing entertainment also be educating users. The selected application here is a puzzle game with pictures of traditional costumes from all over Indonesia. It is considered necessary due to introduce a genuine culture of Indonesia with a more effective way. Games that are made can be downloaded at Google Play, no download fee to be used by all users of the device. This can be expected to assist the government to preserve the national culture which is currently less ignored by the younger generation. Also can stem the cultural flow that is not in accordance with the cultural values in Indonesia. This application is very effective for parents to teach children ages 4-10 years. Android based applications deliberately chosen because at the moment is the most used in Indonesia. Android-based phones used throughout society and all age levels. It is hoped that these applications can be an effective means to educate the public, especially children. Hopefully, with the advent of this application followed by the emergence of other applications similar to Indonesian culture will be more easily found in Google Play. Keyword: Applications Game, Android, Custom Clothing Abstrak - Perkembangan teknologi semakin berkembang pesat, salah satunya teknlogi internet mobile. Apalagi muculnya telepon genggam dengan sistem operasi android. Pengguna dapat mengunduh berbagai aplikasi dengan mudah. Lebih dari 700.000 tersedia di google play, dan 25 aplikasi dasar tersedia. Akan tetapi kebanyakan tersedia dalam bentuk game yang kurang mendidik. Bahkan sering kali berakibat negatif pada pengguna, khususnya untuk anak-anak yang masih belum bisa membedakan positif dan negatif. Oleh karena itu, peneliti ingin membuat sebuah aplikasi yang selain memberikan hiburan juga bisa memberikan edukasi kepada pengguna. Aplikasi yang dipilih disini adalah game puzzle dengan gambar-gambar pakaian adat dari seluruh Indonesia. Hal ini dinilai perlu karena untuk memperkenalkan budaya asli Indonesia dengan cara yang lebih efektif. Game yang dibuat bisa di download di Google Play, tanpa biaya download agar bisa digunakan oleh seluruh pengguna perangkat. Diharapkan dengan hal ini dapat membantu pemerintah untuk melestarikan budaya nasional yang saat ini kurang dipedulikan oleh generasi muda. Juga dapat membendung arus budaya yang tidak sesuai dengan nilai-nilai budaya di Indonesia. Aplikasi ini sangat efektif bagi orang tua dalam mengajari anak-anak usia 4-10 tahun. Aplikasi berbasis android sengaja dipilih karena pada saat ini adalah perangkat yang terbanyak digunakan di Indonesia. Telepon berbasis android digunakan diseluruh lapisan masyarakat dan semua tingkatan umur. Diharapkan dengan adanya aplikasi ini bisa menjadi sarana yang efektif untuk mengedukasi masyarakat, khususnya anak-anak. Semoga dengan munculnya aplikasi ini disusul dengan munculnya aplikasi-aplikasi lain yang sejenis sehingga budaya Indonesia akan semakin mudah ditemukan di Google Play. Keyword: Aplikasi Game, Android, Pakaian Adat

Perancangan Sistem Informasi Pengolahan Nilai Rapor Berbasis Web Pada SMK Negeri 1 Purworejo Wahyu Setyo Prabowo; Candra Agustina
Jurnal Khatulistiwa Informatika Vol 5, No 1 (2017): Periode Juni 2017
Publisher : Universitas Bina Sarana Informatika

ABSTRACTUse of information technology is not only limited in the workplace but also in other aspects of life such as school. Use of information technology is expected to improve the quality of education, improve the efficiency of time and resources for schools in both the teaching and learning activities and school administration as in the making of the report card. SMK Negeri 1 Purworejo requires the existence of an information system to support and simplify the making of the student’s grades report. Therefore, the author make the Final Assignment concerning with the information system of the grades processing at SMK Negeri 1 Purworejo. Unavailability of information systems in accordance with the learning process is running causes are still some gaps in the activities of preparing reports such as lack of effective work, the slowness of the process of drafting, until about the time and cost needed. Based on research, literature, and interviews that have been done, then designed an grades processing information system using waterfall method becomes a solution to resolve the existing problems. Information system of grades processing simplify teachers, homeroom, or teaching part in data processing and students’s grade for preparing reports and support the other administrative activities as well as the teaching and learning process. Key Words: Design of Information Systems, Grades Processing System, Student’s Grades Report of SMK Negeri 1 Purworejo

PEMILIHAN MEDIA PROMOSI DENGAN METODE ANALYTIC HIERARCHY PROCESS (AHP) Studi Kasus: BSI Magelang Candra Agustina
Paradigma Vol 14, No 1 (2012): PERIODE MARET 2012
Publisher : LPPM Universitas Bina Sarana Informatika

Media promotion of an important part of a company, not least a college. Promotions conducted to get students according to the target set. BSI Magelang in promotion using the Brochures, Banners, Posters, Radio Advertising, Television Advertising, Newspaper Advertising, Internet. So that is more efficient promotion, must be known that the most effective media campaign. The results of this study will show the media promotion of consumer choice views of the various criteria. One method of decision support that can be used to solve such problems is Analityc Hierarchy Process. Data obtained from the questionnaires to the students spread BSI Magelang. The data were successfully acquired and processed using the software Super Decision 1.6.0. results obtained from the processing of these data shows that Palin ad is effective, according to respondents of TV commercials.Keyword: Analityc Hierarchy Proccess, Promotion, DSS.

ANALISA NASABAH POTENSIAL TABUNGAN DEPOSITO BERJANGKA MENGGUNAKAN TEKNIK KLASIFIKASI DATA MINING Candra Agustina
Jurnal Teknologi Informasi dan Terapan Vol 5 No 2 (2018)
Publisher : Jurusan Teknologi Informasi Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/jtit.v5i2.88

Time deposits are a product of a financial institution, which is currently increasing. The main target of this time deposit marketing is the old customers of the Bank. To increase the effectiveness of marketing customers are grouped into potential and non-potential customers. This means that potential customers have a greater chance to open a time deposit account. Customer data is taken from the UCI repository, originating from Banks in Portugal. Data is processed with rapidminer software using the Decision Tree method with Particle Swarm Optimization, Naïve Bayes with Particle Swarm Optimization and finally processed using Neural Network with Particle Swarm Optimization. Data processing results were compared and showed that the Naïve Bayes Algorithm with Particle Swarm Optimization had the highest accuracy of 97.04%. Therefore an application designed based on Naive Bayes with Particle Swarm Optimization. From the original attribute consisting of 20, only 9 attributes can be used so that the level of accuracy is high. Attributes used have values more than 0.500, while those that have these values are omitted. The design was created using the Unified Modeling Language (UML) and Visual Basic 6.0 to create an User Interface.

Perancangan Aplikasi Transaksi Jual Beli Perhiasan Emas berbasis Android Candra Agustina
Jurnal Teknologi Informasi dan Terapan Vol 6 No 2 (2019)
Publisher : Jurusan Teknologi Informasi Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/jtit.v6i2.110

Gold Shop is a business of buying and selling gold, both in the form of jewelry and in the form of bars. Transactions carried outsell and buy gold jewelry, with different buying and selling prices. In a gold shop, to sell jewelry a clerk needs to write down the weight, and draw the model in a sales letter or memorandum. The problem that occurs is the ability to draw from employees who are not the same, some can draw jewelry similar to the original, some are unclear. Jewelry letters are also sometimes lost in the hands of customers so when selling must first ascertain whether the jewelry originates from this store. Therefore, it is necessary to make an information system to facilitate the process of buying and selling gold jewelry. The system is made based on Android because it can utilize the mobile phones of each employee. The system is made using the Rapid Application Development method, to get the final result of an android-based application. This method consists of 3 stages, namely the needs plan, the system design process, and implementation. This gold jewelry sale and purchase application consists of 2 users namely shop owners and employees. The function of the owner application is to see the number of items sold jewelry purchased, daily, weekly and monthly financial statements. The application has the advantage of updating the price of gold, both selling and buying in realtime. Using this application can speed up transactions, create reports, and reduce errors in recording transactions.

Implementasi Teknik Bagging untuk Peningkatan Kinerja J48 dan Logistic Regression dalam Prediksi Minat Pembelian Online Eka Rahmawati; Candra Agustina
Jurnal Teknologi Informasi dan Terapan Vol 7 No 1 (2020)
Publisher : Jurusan Teknologi Informasi Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/jtit.v7i1.123

Abstract—The rapid growth of online shopping sites makes business in the virtual world very promising. Purchasing intentions is one of the keys to success in an online store. There are several data mining methods for making predictions on online purchase intentions datasets. Data can represent the characteristics or habits of each user who has visited a site whether it ends with a transaction or not. Some popular algorithms with good performance in data mining include J48 and Logistic Regression. However, in data sometimes there is a problem of class imbalance, so the ensemble technique needs to be applied. One technique that can be applied is bagging. This research examines data using bagging techniques to improve the performance of the J48 algorithm and Logistic Regression. The results of improving the performance of data mining algorithms with these techniques have an accuracy value of 89.68% for the J48 algorithm and 88.50% for the Logistic Regression algorithm. This figure shows an increase when compared with initial testing without using ensemble techniques. Increases were also experienced in Recall, F-Measure, and AUC values. Keywords—purchasing intentions; J48; Logistic Regression; Bagging; Abstrak— Pesatnya situs pembelanjaan online menjadikan bisnis di dunia virtual sangat menjanjikan. Minat pembelian menjadi salah satu kunci kesuksesan pada sebuah toko online. Terdapat beberapa metode data mining untuk melakukan prediksi pada dataset minat pembelian online. Data dapat mewakili karakteristik atau kebiasaan dari setiap user yang telah mengunjungi suatu situs baik berakhir dengan melakukan transaksi ataupun tidak. Beberapa algoritma yang populer dengan kinerja yang baik dalam data mining diantaranya J48 dan Logistic Regreession. Namun, dalam sebuah data terkadang terdapat masalah ketidakseimbangan kelas, sehingga perlu diterapkan teknik ensemble. Salah satu teknik yang dapat diterapkan adalah teknik bagging. Penelitian kali ini mengujikan data dengan teknik bagging untuk meningkatkan kinerja algoritma J48 dan Logistic Regression. Hasil dari peningkatan kinerja algoritma data mining dengan teknik tersebut memiliki nilai akurasi 89.68% untuk algoritma J48 dan 88.50% untuk algoritma Logistic Regression. Angka tersebut menunjukan adanya peningkatan jika dibandingkan dengan pengujian awal tanpa menggunakan teknik ensemble. Peningkatan juga dialami pada nilai Recall, F-Measure, dan AUC. Keywords—Minat Pembelian, J48, Logistic Regression, Bagging

Rancang Bangun Aplikasi Elektronik Transportasi Bandara Yogyakarta International Airport Berbasis Mobile Menggunakan Android Studio Candra Agustina; Sardiarinto .
Jurnal Teknologi Informasi dan Terapan Vol 7 No 2 (2020)
Publisher : Jurusan Teknologi Informasi Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/jtit.v7i2.136

Abstract— Yogyakarta International Airport is a new airport in Yogyakarta, located in Temon, Kulonprogo Regency. Yogyakarta International Airport began operations on May 6, 2019. It was marked by the first landing of Citilink from Halim Perdanakusuma Jakarta. To support airport operations, the Transportation Department also prepares supporting transportation modes, such as airport trains, Damri Buses and, Shuttle Bus to get to the Airport. This mode of transportation connects cities around the airport, such as Purworejo, Magelang, Yogyakarta City, and even Surakarta City. However, because the airport is still relatively new, the information obtained by the public is still minimal. Therefore an informative application is needed for prospective passengers to go to or leave the airport. The application is made based on mobile, by utilizing GPS technology to monitor the position of the vehicle in real-time. This application will make it easier for visitors to travel to areas around YIA Airport.

Co-Authors - Amik BSI Karawang, Nani Purwati - Amik BSI Yogyakarta, Gunawan Budi S Akrom, Akrom Budi Al Amin Eka Rahmawati F Febiyanti Hendri Hermawan Adinugraha Sardiarinto Sardiarinto Sri Mulyani Tri Wahyudi - AMIK BSI Yogyakarta Tri Wahyudi - AMIK BSI Yogyakarta Wahyu Setyo Prabowo

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