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International collaboration by economic groups of countries (1996–2012)
International collaborations were considered when the paper involved different countries, 98 in total. The combination of countries according to economic groups considered... -
Sample of features by type for the influenza review.
Note: For alphabetic and alphanumeric+ sets, features with an underscore between pairs of words came from titles. For the indexing set, features mainly came from MeSH and... -
r37980778c78--630a4df634baed8ad39762e6c02748f2
+ In each cell the upper figure is for all journals and the lower figure is for journals with at least 10 articles tested. * Ratio of successes to failures significantly... -
r37980778c78--751c8390f2decf0419e506cc42580905
Significant at p = 0.05, * Significant at p = 0.01; both Bonferroni corrected for n = 11. -
r37980778c78--e9640c3b1de551b0cc13949f051493dc
Articles are only compared against other articles from the same journal. Ratio significantly different from 0.5 at p = 0.05, *Significant at p = 0.01; Bonferroni corrected for... -
Spearman correlations between Ph.D. award year and various popularity statist...
Spearman correlations between Ph.D. award year and various popularity statistics (n = 263). -
r37980778c78--d28fb58e68fc59080c460cc549529348
Multiple ordinal regression assessing how parameters hypothesised to reflect consensus predict a rank order of scientific domains (main test: I-physical, II-biological-hard,... -
r37980778c78--ced4a45835492988f4f8a319d3883a1a
represents the global clustering coefficient; , the mean local clustering coefficient; r, degree assortativity (the correlation coefficient of degree); and r log, the... -
r37980778c78--8159f38b31d83e59e238bb63d24073a3
1Out of a possible rating of 9, where score of 9 is the least biased. WHO-JHU Synthesizing Intervention Effectiveness Project 9-point rigour scale.*In the authors' view the use... -
Basic properties of the PubMed (2003-2007) and USPTO (2003-2007) networks alo...
The power law distribution has the form , for , where x is degree, C is the normalizing constant ; n is the number of observations; and is the estimated lower bound (cutoff) of... -
r37980778c78--11eeaa6cf780a52a3e80658dc0072bb7
Spearman correlations between affiliated university rank and various popularity statistics (n = 197). -
r37980778c78--813e6dd6154fa89375c1985ac4995ae1
Main source of retrieving information [9], Data expressed as Mean±SEM. -
Pearson correlation coefficient between GDP per capita, spending on R&D as% o...
r = Pearson correlation coefficient. p = p-value. -
International scientific network (authors) statistics
inc- income-level of the country of origin: (3) high-income, (2) middle-income and (1) low-income country. The definitions of the network statics here presented can be found in... -
File S1 - Big Science vs. Little Science: How Scientific Impact Scales with F...
Figure S1, Assume that the research impact of individual researchers (I), measured in this case as number of publications, varies as an exponential function of grant size (F): I... -
Asian countries with their GDP per capita, spending on R&D as% of total GDP, ...
Main sources of retrieving information [6]–[8], Data expressed as Mean±SEM. -
Kendall’s rank correlation coefficient between GDP per capita, spending on R&...
τ (tau) = Kendall’s rank correlation coefficient. p = p value.
