Results 161 to 170 of about 69,305 (279)

Deriving High-Precision Radial Velocities

open access: yes, 2017
This chapter describes briefly the key aspects behind the derivation of precise radial velocities. I start by defining radial velocity precision in the context of astrophysics in general and exoplanet searches in particular.
A. Baranne   +20 more
core   +1 more source

The determinants of length of stay in the Azores : a count model approach [PDF]

open access: yes, 2010
This paper employs count data models to estimate the determinants of length of stay, as count data models naturally lend themselves to overcome the censoring and truncation data issues associated with the non-negative, integer nature of length of stay ...
Menezes, António Gomes de   +2 more
core  

Prediction of entrepreneurship : an ordered regression approach [PDF]

open access: yes, 2010
Entrepreneurship is a popular research topic over the last several decades. Various authors study the characteristics that best define future entrepreneur profiles.
Coelho, Hugo   +2 more
core  

Chemical polymorphism of the essential oils from populations of Thymus caespititius grown on the island S. Jorge (Azores) [PDF]

open access: green, 2000
Samuel Pereira   +7 more
openalex   +1 more source

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