H index vs impact factor

Think of it as the intersection of productivity … 2018-11-02 Impact Factor (IF) •Impact factor h-index (Hirsch index) •ใช้ข้อมูลการอ้างอิงจากฐานข้อมูล Scopus ของบริษัท Elsevier นิยมใช้ในการวัดคุณภาพของ Individual researchers The h-core of a publication is a set of top cited h articles from the publication. These are the articles that the h-index is based on. For example, the publication above has the h-core with three articles, those cited by 17, 9, and 6. The h-median of a publication is the median of the citation counts in its h-core. For example, the h-median of The most widely used indicator, the impact factor (IF), 1 has been frequently criticized for its many limitations, such as inclusion of citations of articles that are not included in the denominator of the calculation formula (editorials, letters, etc.), an analysis period of only 2 years, the inclusion of self-citations and the lack of evaluation of the quality of the origin of the citation 1 Answer to this question.

In scholarly and scientific publishing, altmetrics are non-traditional bibliometrics proposed as an alternative or complement to more traditional citation impact metrics, such as impact factor and h-index. The term altmetrics was proposed in 2010, as a generalization of article level metrics, and has its roots in the #altmetrics hashtag. Although altmetrics are often thought of as metrics about articles, they can be applied to people, journals, books, data sets, presentations Impact Factor Bulletin of Marine Science Phytochemistry Citations versus Impact Factor of all papers (2002-2004) Note that the papers with the greatest number of citations are not amongst those published in the journals with the highest Impact Factors. (Nb. Horizontal lines are one citation per year, based on data corrected to 2002) the h-index h-index 1.

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A composite of productivity and citation impact, h-index is defined as the greatest number of publications h for which the count of lifetime citations is greater than or equal to h. Being bound at the upper limit only by total productivity, h-index favours older and more productive authors and journals. The JCR Impact Factor table includes the Quartile and Journal Impact Factor (JIF) Percentile for each year. It is advisable to follow the JCR rankings in selecting journals you want to submit your articles to so that you will discover during assessment and promotions that the publications you have are acceptable to your institution based on the Assessment and Promotion’s (A & P) requirements. Se hela listan på de.wikipedia.org What is the h-index? The h-index is a means of measuring scientists’ impact on their field, determined from two quantities: the number of publications by a scientist and the number of times those publications have been cited. Think of it as the intersection of productivity (papers published) and recognition (citations).

Se hela listan på benchfly.com In terms of the first, we used the recently introduced h-index (Hirsch, 2005) and g-index (Egghe, 2006) to measure journal impact rather than the ISI Journal Impact Factor (JIF). In terms of the second, we used Google Scholar instead of the ISI Web of Knowledge as our data source. A good H-index score depends not only on a prolific output but also on a large number of citations by other authors. It is important, therefore, that your research reaches a wide audience, preferably one to whom your topic is particularly interesting or relevant, in a clear, high-quality text.
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Similar to how the IF is now be used to measure a journal or an author to their scientific field, the h-index has become another The h-index serves as an alternative to more traditional journal impact factor metrics in the evaluation of the impact of the work of a particular researcher. Because only the most highly cited articles contribute to the h -index, its determination is a simpler process. Impact factor is using to measure a "journal"s impact, on the other hand some indexes like H-Index are using an "article"s or "author"s impact. Indexes can be created with various approaches and 2010 impact factor = A/B; The h index Expresses the journal's number of articles (h) that have received at least h citations. It quantifies both journal scientific productivity and scientific impact and it is also applicable to scientists, countries, etc.

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The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly average number of citations of articles published in the last two years in a given journal. Eigenfactor vs. impact factor-the two widely used measures of a journal’s value.

The impact factor is commonly used when measuring journal prestige, whereas the h index is used when measuring researcher impact. It is very hard to compare the two phenomena when making decisions Then the Impact factor of the Journal should be (1298/541)= 2.40 IF. How H-Index is calculated? The h-index is a factor determining both the quantity and quality of a scientist’s research output. The h- index is based on a list of publications ranked in descending order by the number of actions these publications received. h-Index. The h-index is totally different compared to impact factor as it measures a researcher or scientist performance based on his or her research publications and lifetime citations. For example, their h-index is 91 if 91 articles have each received at least 91 citations.

The h-index measurement is based on the following criteria: The h-index The h-index is short for the Hirsch index, which was introduced by Jorge E. Hirsch (2005 ) as a way to quantify the productivity and impact of an individual author. Similar to how the IF is now be used to measure a journal or an author to their scientific field, the h-index has become another The h-index serves as an alternative to more traditional journal impact factor metrics in the evaluation of the impact of the work of a particular researcher. Because only the most highly cited articles contribute to the h -index, its determination is a simpler process. Under certain conditions, this can lead to a false increase or decrease of the h-index. Advantage of h-index. Evaluates both qualitatively (impact factor or citations) and quantitatively (number of articles) and does not have the disadvantages of other ranking indices such as counting the total number of articles or the total number of citations. 2010 impact factor = A/B; The h index Expresses the journal's number of articles (h) that have received at least h citations.