A Primary Study of Dating of Questioned Documents with Statistical Method
Xiaoling Yang · Zhongguo sifa jianding · 2013
To determine the formation time of a document remains the most controversial and challenging problem in questioned document examination,especially to date the document quantitatively by utilizing the elements in the document that correlate with time.Through a case of detennining the stamped date of the impression on a questioned document,this paper discusses how to use statistical methods to relate the phase change features of stamp impressions with time quantitatively.It not only offers a quantitative analysis method for dating stamp impressions,but also provides a study approach for similar problems in dating of questioned document with statistics.