Automated English Digital Essay Grader Using Machine Learning

Automatic essay grader is a program that is designed to grade an essay automatically. Some of automatic essay grader have been made using string kernel, word embedding and reinforced learning method. The objective of this research is to develop an application to help users in grading English digital essays. Grading is done based on 12 score features. Argumentative and narrative essays written by junior high school students are utilized as the dataset. By using XGBoost as the classifier, this research produces an automated essay grader with an average accuracy of 66.87%. Evaluation is conducted using 5-fold cross validation method.