What is h index and i10 index?


h index and i10 index

What is the h index? Hirsch index, as suggested by J.E. Hirsch in 2005, is abbreviated as “H.” The h index is an author-level indicator that seeks to gauge a scientist’s or scholar’s productivity as well as the influence of their publications on other scientists and academics’ work.

h index and i10 index
h index and i10 index

Individual scientists and scholars were the first to benefit from the h index, which gauges the productivity and citation effect of a researcher’s work. For example, the h index is linked to Nobel Prizes, research scholarships and high-ranking employment at leading institutions. The index is based on the scientist’s most cited works and the number of citations they have gotten from other publications. Scholarly journals and groups of scientists, such as departments, universities, or countries, have both been included in the index’s most recent applications.

Definition

h index is the largest number of h such that h publication has at least h citation (Google, 2022). The h-index is defined as the maximum value of h such that the given author/journal has published at least h papers that have each been cited at least h times. The index seeks to go beyond more basic metrics like the total number of citations or publications. For optimum results, the index should be used to compare researchers in the same academic discipline. (Wikipedia, 2022).

Calculation

It is very easy to calculate. nn  means n paper should be cited n times. 1 h index means your one paper is cited one time. If you have 9 paper and all are cited one time even, then your h index will be one. It is because for two h index at least 2 papers must be cited two-two times. In the same way 3 h-index means you have at least 3 paper and all are cited three-three times. So, getting higher h index is difficult. So, for 10 h index means out of your all paper (suppose you have fifty paper) at least ten papers must be cited ten-ten times.

Example:

Calculate the h index of the author from the following table.

S. No.PaperCitationS. No.PaperCitation
1Paper 11911Paper 116
2Paper 21512Paper 125
3Paper 31313Paper 133
4Paper 41214Paper 141
5Paper 51115Paper 150
6Paper 61116Paper 160
7Paper 71117Paper 170
8Paper 81018Paper 180
9Paper 91019Paper 190
10Paper 101020Paper 200
h index and i10 index
  1. What is the h index of the above author?
  2. How can he increase one index with minimum citation?

Answer:

  1.  The author has 10 papers with 10 citation each. Therefore, his h index is 10.
  2. To increase one index his h index must be 11. That means he must have 11 papers with 11 citations each. From the above table it is clear that the author has 7 papers with 11 citations, in remaining 4 paper he needs 11 citations. His paper 8, 9 and 10 is having 10 citation each therefore he needs one-one citation in each paper. The eleventh paper is having only 6 citations therefore, 5 more citation is required to reach 11 citations. As a result, he requires total 8 citation to reach the 11 h-index. It is shown in the table as follows
S. No.PaperCitationS. No.PaperCitation
1Paper 11911Paper 116 + 5
2Paper 21512Paper 125
3Paper 31313Paper 133
4Paper 41214Paper 141
5Paper 51115Paper 150
6Paper 61116Paper 160
7Paper 71117Paper 170
8Paper 810 + 118Paper 180
9Paper 910 + 119Paper 190
10Paper 1010 + 120Paper 200
h index and i10 index

i10 Index

i10 Index is comparatively easy to understand.

i10-Index = the number of publications with at least 10 citations. 

This very simple measure is only used by Google Scholar, and is another way to help gauge the productivity of a scholar. 

How to find h index?

Use Google Scholar to get your h index and i10 index.

  1. If you have your google account, then go to this link https://scholar.google.com/ otherwise create your account first.
  2. Click on “My Library” and then click on “My Profile”.
  3. Click on the + sign as shown in the picture and add your research paper.
    1. If you will select the “Add Article” then Google will give you automatic suggestion to add the paper.
    1. The other way is to select the “Add article manually”.
  4. Add your article Google will create the h-index and i10 index automatically.
h index and i10 index
h index and i10 index

If you want to increase your citation or h-index, then mail on [email protected].

You may be interested to read the article on: How to write unique article or plagiarism free article? – Click Virtual University (clickuniv.com)


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