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Dewi Sartika

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Author-ID : 1552170

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Perbandingan Algoritma Klasifikasi Naive Bayes, Nearest Neighbour, dan Decision Tree pada Studi Kasus Pengambilan Keputusan Pemilihan Pola Pakaian Dewi Sartika; Dana Indra Sensuse
JATISI (Jurnal Teknik Informatika dan Sistem Informasi) Vol 3 No 2 (2017): JATISI MARET 2017
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) STMIK Global Informatika MDP

Data mining is a process of analysis of the large data set in the database so that the information obtained will be used for the next stage. One technique commonly used data mining is the technique of classification. Classification is an engineering modeling of the data that has not been classified, to be used to classify new data. Classification included into any type of supervised learning, meaning that it takes the training data to build a model of classification. There are five categories of classification that is statistically based, distance-based, based on the decision tree, neural network-based and rule-based. Each category has many options classification algorithms, some algorithms are frequently used algorithms Naive Bayes, nearest neighbor and decision tree. In this study will be a comparison of the three algorithms on case studies of electoral decision making clothing patterns. The comparison showed that the decision tree method has the highest level of accuracy than Naive Bayes algorithm and nearest neighbor, reaching 75.6%. Decision tree algorithm used is J48 with pruned algorithm that produces models of decision tree with leaves as many as 166 and 255 magnitude decision tree.

Steganografi Citra Menggunakan Metode Least Significant Bit (LSB) dan Linear Congruential Generator (LCG) Andre Hernandes; Hartini Hartini; Dewi Sartika
JATISI (Jurnal Teknik Informatika dan Sistem Informasi) Vol 5 No 2 (2019): JATISI
Publisher : Lembaga Penelitian dan Pengabdian pada Masyarakat (LPPM) STMIK Global Informatika MDP

Steganography is a method used to hide secret messages from people who are not entitled to know it. In this study the author uses one of the steganography methods, the least significant bit method (LSB) to insert bits of secret message in the form of text into digital images RGB bitmap file extension, by combining the LSB method and linear congruential generator (LCG) to generate random numbers from the position of the pixel that will be inserted a secret message. The results of this study the authors managed to build steganography applications with the Java programming language and test the quality of stego image that produces an average value Peak Signal to Noise Ratio (PSNR) that reach 51 dB. From this assessment, it was concluded that stego image produced in good quality and did not experience significant changes.

Co-Authors Ade Kemala Jaya Adi Pratama Putra Adinda Permata Sari Adriansyah Ashari Afrahul Padilah Siregar Afrida Wati Ahmad Risqi Fauzi Ahmad Sapta Zuidar Ahmad Su’udi Aisyah AR Aldy Satriayuda Alia Pratiwi Alima Tur Wasiah Alwi Alyasina Hermawan Amanda Patappari Firmansyah Amirah Maritsa Amiroh Andi Nurfita Andi Ogo Darminto Andini Tria Alfiazh Andre Hernandes Andre Ilyas Andre Ilyas Andreas Julia Konmop Andysah Putera Utama Siahaan Angkasa Putra Annie Rufeidah Arfiah Jauharuddin Arif Pristianto Arif Saefudin Arinal Hamni Artika Asy Syafa’ Yumna Aulia Aulia Ayunazwa Bakti Setyadi Bayu Adi Nugraha Bedy Briliant Wijaya Bima Aurel Hutabarat Bitoh Purnomo Bobi Karomah Chairisni Lubis Chairul Indra Angkat Charis Fathul Hadi Cholidi Chornelia Sri Devi Lestari Cut Oktaviyana Cut Rara Hasyiana Dana Indra Sensuse Dedi Riyan Rizaldi Della Patika Sari Desi Puspita Sari Devita Elina Harahap Devy Putri Nursanti Dewi Permata Sari Dhea Anidar Dian Indriyani Dian Riani Said Didi Riswan Dwi Rezky Aulyah Dwi Santy Damayanti Edo Prasatio Grahatama Endah Aryati Eko Ningtyas Eva Gultom Evi Nur Widya Evi Purnamasari Fahmi Fahmi Fahriadi Muhdar Fanni Putri Diantina Faradillah Usman Fatinah Hanan Febri Yuliani Febry Ramadiansyah Ferdilla Vezalin Fidzah Nurfajrina Murad Fitri Adijaya Florensia, Yesinta Freddy Sapta Wirandha Friska Permata Sari Ginting, Chrismis Novalinda Gunawan Gusri Akhyar Ibrahim H.Andi Achmad Dahlan Habra, Mhd Dani Halimul Maduwu Hariatih, Hariatih Hartanto, Dody Hartini Hartini Hasanuddin Hasanuddin Hasrini Hasrini Haula Millati Azka haviz, Muhammad haviz irfani Helda Rosana Herlin Maryanti Herri Setiawan Husnul Hatimah Ica Dwi Kusuma Wardani Idayanti Idayanti Ikhwanul Qiram Ilham Ilham Imam Syofii Imelda Saluza, Imelda Indah Permatasari Indra Hermawan Indri Apriliani Iskandar Iskandar Ismayani Ismayani Isnaini Eddy Saputro Isnam Junais Jeni Susyanti Johar, Olivia Anggie Juniarti, Raken Katry Anggraini Ketut Tirtayasa Kiki Rizki Amelia Kuswindarti Lamria Siregar Lilim Halimah Lisdawati Lisdawati Luluk Tobing Lutfi Khoirunnisa M Rakan M. Agus Salim M. Zikrillah Maharani Syahputri Mangatas Silaen Marhani Marhani Martha Wulandari Mashellin Wulandari Masrifan Djamil Mayling Zul Melisa Novianty Meylani Utari MIFTAHUL JANNAH Miftahulkhairah Anwar Mimiliah Mindaudah Mita Salsabila Monica Novela Monita Salsabila Satrianto Muannas Mufied Fauziah Muhamad Imam Aminullah Muhammad Alfarizi Muhammad Anas Muhammad Iqbal Muhammad Irfan Affandi Muhammad Rezha Damargalih Tanjung Muhammad Ridha Adhari Muhammad Ridha Adhari, Muhammad Ridha Muhammad Yanis Muhammad Yusuf Syahbana Muliani Mutia Ulfah Naimah Nanda Desreza Natalia Dewi Wardani Neti Yuliana Neti Yuliana Niken Cahya Ningtyas Nilwan Nirwana Nisa Firdausi Nisa Puspita Nisrokha Nopalina Suyanti Damanik Novita Sari Nunung Nurhayati Nur Julianti Dwi Chairani Nurbaiti Nurbaiti Nurbiana Dhieni Nurbillah, Sheila Aisma Nurbillah Nurhayati, Andi Nursakinah Annisa Lutfin Nurwijayanti Paulina Maidodga Peni Puput Halimatusa’diah Putri Ainun Niza Qinar Khaleza Biran Qomariah Usman Qonita Luthfiah Rahmatinna Rahmatinna Ratri Septianasari Raudah Raudah Rekha Asmara Rendi Edowin Sitanggang Reni Fatmasari Renny Nadeak Reval Mayhendra Harbangkar Reza Rizki Ali Akbar Rezki Nalandari Ridwan Ridwan Manda Putra Rifka Annisa Mardhatillah Rifqan, Rifqan Rika Vitriani Rina Anjani Rio Setiawan Ririn Sk Riska Azzafira Riska Yohana Riski Yama Lestari Rizka Hadian Rizka Hadian Permana Rofifah Zakiyah Rony, Zahara Tussoleha Rosha Fitriani Rosnawati Rosnawati Roswaty Roswaty Ruliaty Ruliaty Rumaisha Soumena S.W Nengsi Sabeli Aliya salahuddin harahap Salsa Zahra Fatimah Samsuardi Samsuardi Sapna Julita Roza Selvia Assoburu Septi Pravitasari Shendy Maftalia Fifadhilni Sholahuddin Silvi Sirwanti Siti Ardhya Mutiara Syifa Siti Arwati Siti Ikhsani Ramadhani Siti Nurdjanah Siti Qadariah Siti Soleha Sri Mulyana Sri Mulyana Sri Wahyuni Sri Wahyuningsih Sri Widya Utami Sri Wulan Sripatmi Sriwaty Siregar Subeki Suci Nugraha Suci Ramadhani Suciyati Sundu Suharyadi Suharyadi Sulaiman Helmi Supriyana Supriyana Suryati Susilawati Susilawati Sussi Astuti Syafiuddin Syafiuddin Syafran Panggabean, Edwin Syah Mohd Hadiid Thaariq Syahrani Zalfa Syahrul Basri Syahrul R, Syahrul Syarifah Masthura Tanto Pratondo Utomo Tarigan Sibero, Jitasari Tina Khostarina Transyuyan Rani Utami Tri Wiyatini Trisnawati Vermaysuri Cahya Ningrum Waddah, Zora Ismuna Waddah WAHYUNI Wartarius Wartono Willy Nofranita Windarti ' Winny Gusmiranda Wirandha, Freddy Sapta Wiska Baharuddin Yadi, Farhan Yasmin Putri Annisa Yeyen Yusniar Yohana Dhoe Wake Yosepha Ratnawati Yurika Narulita Maulidya Yuris Tri Harli Zahra, Mary Zahrawi Astrie Ahkam Ziadatul Fatimah Zulbahridar -

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Journal : JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI