This blog contains the posts about industrial mathematics, data analytics tools and the introduction of industrial problems that I am currently working on. It is owned by MINJUNG GIM who is a Senior research scientist at the National Institute of Mathematical Sciences.

Evaluation of regression model

February 28, 2018

Evaluation of regression model

Adam Optimizer

January 22, 2018

Adam Optimizer

RMSProp Optimizer and Adagrad Optimizer

January 11, 2018

Adaptive Gradient Optimizer

Binary classification with Cross entropy

January 8, 2018

Binary classification with Cross entropy

Avoid Overfitting

January 2, 2018

Overfitting(과적합) 이란 데이터의 학습결과가 학습데이터에만 최적화되어 모집단에 대한 일반화(Generalization)에 실패한 경우를 의미한다. 일반적으로 딥러닝 알고리즘에서는 Underfitting 보다 Overfitting이 자주 발생하기 때문에 딥러닝 모델을 구성할 때 이를 피하는 방법을 항상 고려해야 한다.

Single-variable linear regression

January 1, 2018

Single-variable linear regression: 선형회귀분석

Install Drobox on EC2 Virtual Machine(ubuntu)

December 31, 2017

AWS EC2 Virtual Machine 위에 Drobox 설치하기

Momentum Optimizer

December 20, 2017

Momentum Optimizer

Gradient Descent Optimizer

December 6, 2017

Gradient Descent Optimizer

Definition of Sigmoid

November 17, 2017

활성함수(Activation) 시그모이드(Sigmoid)함수 정의