The influencing factor is the evaluation index of international peer journals.
1, introduction of influencing factors
Impact Factor (English: Impact Factor), abbreviated as IF, is a data in the Journal Citation Report (JCR) produced by Thomson Reuters. That is, the total number of cited papers published by a journal in the first two years of the reporting year (JCR year) divided by the total number of papers published by the journal in these two years. This is an internationally accepted periodical evaluation index.
The impact factor has become a general index of periodical evaluation in the world. It is not only an index to measure the usefulness and exhibition of periodicals, but also an important index to measure the academic level of periodicals and even the quality of papers. The influence factor is a relative statistic.
2. Sources of influencing factors
Journals Citation Report (JCR) published annually by Thomson Reuters Intellectual Property Department is the most influential peer-reviewed journal evaluation resource in the world, and also the source of journal impact factors every year.
3. Indicators of influencing factors
The comprehensive impact factor refers to-the comprehensive impact factor is calculated according to the comprehensive statistical source literature of journals, the statistical source literature of doctoral and master's dissertations and the statistical source literature of conference papers.
The comprehensive impact factor refers to-the comprehensive impact factor mainly refers to the integration of arts and sciences, which is calculated based on the comprehensive statistical source literature of scientific and technological journals and humanities and social sciences journals.
Both of them are based on the ratio of the total cited number of citable documents published in the first two years of the evaluated journals in the statistical year to the total cited number of citable documents published in the first two years of the journals.
4. Calculation of impact factors
The impact factor is calculated in years. Take 1992 as an example, if (1992) = a/b.
A= the number of times all articles in this journal were cited from 1990 to 199 1 in 1992;
B= the number of all articles in this journal from 1990 to 199 1.