The h-index reflects both the number of publications and the number of citations per publication. The number of publications by a scientist and the number of times those publications have been cited.
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Comparing researchers of similar career length.
. If 8 N papers were cited 8 N times each one then the h-index is 8. An index that quantifies both the actual scientific productivity and the apparent scientific impact of a scientist The h-index was suggested by Jorge E. It does this by looking at the number of highly impactful publications a researcher has published.
How to calculate it. To calculate your h-index list your papers based on the number of their citations from most to least. The h-index is a simple way to measure the impact of your work and other peoples research.
The h-index is then determined by the interception of the charts diagonal with the citation data. For example if a scholars works have received say 10000 citations he may still have a h-index of only 12 as only 12 of his papers have been cited at least 12 times. If a researcher has 15 papers each of which has at least 15 citations their h-index is 15.
The higher the h-index the greater a. Herfindahl-Hirschman Index - HHI. For example 15 publications cited 15 times or more is a h-index of 15.
Hirsch provides the following definition for the h-index. Hirsch in 2005 and published in the Proceedings of the National Academy of Sciences of the United States of America. It is calculated live on a set of results each time you look it upThe calculation was suggested by Hirsch and it can be summed up as.
The higher the number of cited publications the higher the h-index regardless of which journal the work was published in. The number of citations for each paper must be equal to or greater than its rank in order to be counted. The h-index can also simply be determined by charting the articles citation counts.
For example H-index scores are commonly used in the recruitment processes for academic positions and taken into consideration when applying for academic or research grants. The h index is a quantitative metric based on analysis of publication data using publications and citations to provide an estimate of the importance significance and broad impact of a scientists. H-index the number of publications with a citation number greater than or equal to h.
The h-index is sometimes referred to as the Hirsch index or Hirsch number. What is h-index and how does it influence the measurement of impact and productivity of a researcher. An h-index of 20 signifies that a scientist has published 20 articles each of which has been cited at least 20 times.
The h-index has been quickly adopted as the metric of choice for many committees and bodies. Hope This will help you to find how the Journals and abstract indexing sites. Sometimes the hindex is arguably misleading.
Well show you in this article. The h-index is an index that attempts to measure both the productivity and impact of the published work of a scientist or scholar. Hirsch physicist at San Diego State University in 2005.
The h-index is a means of measuring scientists impact on their field determined from two quantities. You just plot the number of papers versus the number of citations you or someone else have received and the h-index is the number of papers at which the 45-degree line citationspapers intercepts the. The h-index or Hirsch index measures the impact of a particular scientist rather than a journal.
In Scopus the h-index is not a static value. The physicist Jorge E. The procedures to do this in Web of.
The value of h is equal to the number of papers N in the list that has N or more citations. At the end of the day the H-index is used as a sign of self-worth for scholars in. The value of h is equal to the number of papers N in the list that have N or more citations.
The h-index measures both productivity and citation impact. What is the H-index. The h-index captures research output based on the total number of publications and the total number of citations to those works providing a focused snapshot of an individuals research performance.
A scientist has an index h if h of hisher Np papers has at. For example a scientist with an h-index of 20 has 20 papers cited at least 20 times. Read more about the h-index first proposed by JE.
The h index was proposed by JE. Thus if your first paper has at least 1 citation your h index is at least one. It is calculated by squaring the market share of each firm competing.
A scientist has index h if h of hisher N p papers have at least h citations each and the other N p h papers have no more than h. Before you can calculate your h-index you will need a complete publication list. Conceptually the h-index is pretty simple.
The h index is a quantitative metric based on analysis of publication data using publications and citations to provide an estimate of the importance significance and broad impact of a scientists. In this case there are 3 papers that are above the diagonal and hence the h-index is 3. Hirsch as An index to.
Think of it as the intersection of productivity papers published and recognition citations. Hirsch in 2005 and published in the Proceedings of the National Academy of Sciences of the United States of America. An author with 10 papers where 5 N papers were cited 5 N times each one the h-index is 5.
It is defined as the highest number of publications of a scientist that received h or more citations each while the other publications have not more than h citations each. The Herfindahl-Hirschman index HHI is a commonly accepted measure of market concentration. The h-index is a measure used to indicate the impact and productivity of a researcher based on how often hisher publications have been cited.
The index is based on a list of publications ranked in descending order by the number of citations these publications received. The h index was proposed by JE.
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