Indices, heuristics and strategies to help determine the
number of factors/components to retain: 1. Acceleration factor
(af with or without Parallel Analysis); 2. Optimal Coordinates
(noc with or without Parallel Analysis); 3. Parallel analysis
(components, factors and bootstrap); 4. lambda > mean(lambda)
(Kaiser, CFA and related); 5. Cattell-Nelson-Gorsuch (CNG); 6.
Zoski and Jurs multiple regression (b, t and p); 7. Zoski and
Jurs standard error of the regression coeffcient (sescree); 8.
Nelson R2; 9. Bartlett khi-2; 10. Anderson khi-2; 11. Lawley
khi-2 and 12. Bentler-Yuan khi-2.

Gilles Raiche (Universite du Quebec a Montreal) and David Magis (Universite de Liege)
Indices, heuristics and strategies to help determine the number of factors/components to retain:
1. Acceleration factor (af with or without Parallel Analysis);
2. Optimal Coordinates (noc with or without Parallel Analysis);
3. Parallel analysis (components, factors and bootstrap);
4. lambda > mean(lambda) (Kaiser, CFA and related);
5. Cattell-Nelson-Gorsuch (CNG);
6. Zoski and Jurs multiple regression (b, t and p);
7. Zoski and Jurs standard error of the regression coeffcient (sescree);
8. Nelson R2;
9. Bartlett khi-2;
10. Anderson khi-2;
11. Lawley khi-2 and
12. Bentler-Yuan khi-2.

Gilles Raiche (UQAM) and David Magis (KU Leuven)
R (>= 2.0.0), MASS, psych, boot, lattice

Parallel Analysis and Other Non Graphical Solutions to the
Cattell Scree Test

SQL like query interface to fetch data from any 'Jira' installation. The data is fetched using 'Jira' REST API, which can be found at the following URL: <https://developer.atlassian.com/cloud/jira/platform/rest/v2>.
person("Nikhil", "Choudhry", email = "nikhil.choudhry@gmail.com", role = c("aut", "cre"))

Provides functions to calculate the normalised Lineage-Through-Time (nLTT) statistic, given two phylogenetic trees. The nLTT statistic measures the absolute difference between two Lineage-Through-Time curves, where each curve is normalised both in time and in number of lineages.