The collection of information is always based on a number of aspects and perspectives for a certain purpose. In the collation of information and statistical analysis, information is classified according to these aspects and angles, and we refer to classified information as classified information. The classification data breaks the individual form of the survey data, and it can't see the specific investigation object from the data, it is an objective reflection of the situation of all the survey subjects, and it is the focus of theoretical analysis and statistical analysis. The theoretical analysis of classified data is to prove the specific research hypothesis. To investigate and study, we must always put forward certain research hypothesis or specific purpose, and the purpose of the theoretical analysis of investigation data is to prove whether the research hypothesis is true. The research hypothesis is divided into the central research hypothesis and the specific research hypothesis, which solves the wholeness of the investigation and research is always proved by the overall data, and the latter is related to the central research hypothesis, which solves the specific aspects and parts of the research and is proved by the classification data. The rational analysis of classification data and specific research hypothesis is generally divided into three levels: the first level is the statement classification data;
正在翻译中..