diptest: statfaculty – R documentation

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statfaculty

Faculty Quality in Statistics Departments

Faculty quality in statistics departments was assessed as part of a larger study reported by Scully(1982).

Accidentally, this is also provided as the exHartigan (“example of Hartigans'”) data set.

data(statfaculty)

A numeric vector of 63 (integer) numbers, sorted increasingly, as reported by the reference.

M. G. Scully (1982) Evaluation of 596 programs in mathematics and physical sciences; Chronicle Higher Educ. 25 5, 8–10.

J. A. Hartigan and P. M. Hartigan (1985) The Dip Test of Unimodality; Annals of Statistics 13, 70–84.

data(statfaculty)
plot(dH <- density(statfaculty))
rug(jitter(statfaculty))

data(exHartigan)
stopifnot(identical(exHartigan,statfaculty))

Hartigan's Dip Test Statistic for Unimodality - Corrected

v0.76-0

GPL (>= 2)

Authors

Martin Maechler (originally from Fortran and S-plus by Dario Ringach, NYU.edu)

Initial release

2021-05-04