Analysis of Stock BBS Postings by Text Mining using Economic Dictionary

Abstract

We propose the text mining using economic dictionary for stock bbs posting and investigate the difference between PCA based on economic dictionary and PCA based on general dictionary. Text Mining using Economic dictionary have two advantages. First, we can pick out economic word like PER. Second, we can filter out noises like mental abuse. As a result, we find the difference between TextMining using economic dictionary and TextMining using general dictionary.