The book is dedicated to a new direction in modern applied statistics. Empirical-statistical methods are proposed for recognizing dependent and independent texts, including historical ones, i.e. texts of a narrative nature, for example chronicles, annals. These methods make it possible in many cases to date ancient texts and the events described in them and can be used to analyze texts of a wide variety nature, in the theory of pattern recognition, in the analysis of genetic codes, to clarify the dates of ancient chronology. Rich scientific material is presented - the results of statistical processing of chronicles, ancient astronomical messages, chronicles. The book has become a unique phenomenon in the world scientific literature on applied statistics. For specialists in the field of mathematical statistics and pattern recognition, linguistics, philology, chronology, history, as well as a wide range of readers.