brightstar {logcondens} | R Documentation |
Dataset that contains the data analyzed in Mizera and Koenker (2009, Section 5). The sample consists of measurements of radial and rotational velocities for the stars from the Bright Star Catalog, see Hoffleit and Warren (1991).
data(brightstar)
A data frame with 9092 rows on the following 2 variables.
nr
rad
rot
The data was downloaded from ftp://adc.astro.umd.edu/pub/adc/archives/catalogs/5/5050/ on September 3, 2009.
Duembgen, L. and Rufibach, K. (2009) Maximum likelihood estimation of a log–concave density and its distribution function: basic properties and uniform consistency. Bernoulli, 15(1), 40–68.
Hoffleit, D., Warren, W.H. (1991). The Bright Star Catalog. Yale University Observatory, New Heaven.
Mizera, I., Koenker, R. (2009). Quasi-concave density estimation. Preprint.