4.3.1　Testing the Effectiveness of the Data

Before collecting all the selected data,testing the effectiveness of the plain text by sample film data are needed.I,however,need to decide the appropriate method of choosing a sample first.The purpose behind undertaking a sample analysis is to check for the following expected problems: (1) whether the size of the text is suitable;(2) whether the text contains unreadable code,unnecessary spacing,or other coding problems; (3) whether the text has mixed punctuation or contains the full width of Chinese characters; and,(4) whether the text has other unrelated items.(https://www.daowen.com)