Endah Yaodah Kodratilah
Universitas Pelita Bangsa

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Pengujian Akurasi Data Potensi Kepuasan Pelanggan Kereta Commuterline (KRL) Dengan Algoritma C4.5 al fiyan; Muhamad Fatchan; Irfan Afriantoro; Putri Anggun Sari; Endah Yaodah Kodratilah
Jurnal Pelita Teknologi Vol 16 No 1 (2021): Maret 2021
Publisher : DPPM Universitas Pelita Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (312.129 KB) | DOI: 10.37366/pelitatekno.v16i1.308

Abstract

PT. KAI Commuter line (KRL) is a transportation service provider that was founded in 2008. There are many ways that transportation service companies can win the competition, including by increasing transportation customer satisfaction. This study aims to analyze the potential for KRL customer satisfaction by using data mining techniques with the C4.5 algorithm. The research instrument obtained data in the form of a questionnaire, the attributes of potential customer satisfaction in this study included price, facilities, services, and loyalty. This study uses 2 scales, namely the nominal scale in the form of codes or labels, and the interval scale in the form of weights in the answers to questions. In this study, the results obtained from several attributes produce a cause-and-effect relationship in classifying satisfied and dissatisfied customers. This research is hoped to be able to help the KRL party in increasing customer satisfaction to retain customers and increase the profit of the KRL company. The classification results using the C4.5 algorithm obtained an accuracy of 91.67%, which indicates that the C4.5 algorithm is suitable for measuring the potential for KRL customer satisfaction..
Penerapan Internet of Things (IoT) Pada Sistem Pengaman Pintu Menggunakan Modul Nodemcu ESP8266 Berbasis Telegram Endah Yaodah Kodratilah; Nur Sodik; U. Darmanto Soer
Jurnal SIGMA Vol 13 No 1 (2022): Maret 2022
Publisher : Teknik Informatika, Universitas Pelita Bangsa

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Abstract

Technological developments are carried out to support human needs to be more practical in life, one of which is in the household sector. This is the basis of this research. By using NodeMCU and Arduino Uno as microcontrollers for Smart Home systems with the IoT concept. With the creation of a Smart Home system with the IoT concept, it is hoped that the value of efficiency and security can be achieved at home. In this research, NodeMCU is implemented as a microcontroller in Smart Home system with IOT concept. This system is designed by using Telegram Messenger and keypad as input or notification media on this system. When inputting chat, the chat input data is read by the program for verification. If the verification is not successful then the system does not respond followed by reprogramming the chat input, if the verification is successful then the BOT will respond then send an input signal to the microcontroller for processing, after processing the microcontroller will send an output signal (On/Off) to be sent to the relay which will be forwarded to the output components (Solenoid Door lock, magnetic sensor, Buzzer). By implementing a Smart Home system with the IoT concept, we can take advantage of existing technology. The Smart Home system with the IoT concept is also safe because only people who have certain access can control the house such as unlocking the door and turning on the magnetic sensor remotely. Keywords: NodeMCU ESP8266, Arduino Uno, magnetic sensor, door solenoid, relay, power supply, buzzer, telegram and arduinoIDE