lotka {bibliometrix} | R Documentation |
It estimates Lotka's law coefficients for scientific productivity (Lotka A.J., 1926).
lotka(results)
results |
is an object of the class ' |
Reference:
Lotka, A. J. (1926). The frequency distribution of scientific productivity. Journal of the Washington academy of sciences, 16(12), 317-323.
The function lotka
returns a list of summary statistics of the Lotka's law estimation of an object of class bibliometrix
.
the list contains the following objects:
Beta | Beta coefficient | |
C | Constant coefficient | |
R2 | Goodness of Fit | |
fitted | Fitted Values | |
p.value | Pvalue of two-sample Kolmogorov-Smirnov test between the empirical and the theorical Lotka's Law distribution (with Beta=2) | |
AuthorProd | Authors' Productivity frequency table |
biblioAnalysis
function for bibliometric analysis
summary
method for class 'bibliometrix
'
data(scientometrics, package = "bibliometrixData")
results <- biblioAnalysis(scientometrics)
L=lotka(results)
L