Hipothesis Test
Mostrando 1-3 de 3 artigos, teses e dissertações.
-
1. Estudo de anisotropias de UHECR s em dados do Observatorio Pierre Auger / Study of anisotropies of cosmic rays in data from the Pierre Auger
Almost a century after the discovery of cosmic radiation, their origin, composition, acceleration and propagation mechanisms in the universe is still unknown for the ultra-high energy component ( >~ 1018 eV). The mystery grows due to the suppression (GZK cutoff) in the ux of cosmic rays with energies E >~ 6 × 10 19 eV, caused by the interaction of these par
Publicado em: 2009
-
2. Evaluation of methods parametric and non parametric in the analysis of the efficiency of the milk production. / Avaliação de métodos paramétricos e não paramétricos na análise da eficiência da produção de leite.
The objective of the study is test the most applied methods in the analysis of the relative efficiency, purposing the comparation between a producer and a group of resembled producers, or a producer with the entire sample, as the stochastic frontiers (random border) case. The tested methods were the DEA (Data Envelopment Analysis), the stochastic frontier
Publicado em: 2003
-
3. Forrageamento de aranhas de teia orbicular : influencia do tamanho da presa e local de contato na teia
Tbe foraging behavior of tbe orb-weaving spiders Micrathena nigrichelis (Araneidae), with a vertical orb and Leucauge sp. (Tetragnathidae), with an inclined web -(458) was studíed. Stimulations witb a tunning fork were done, to test the hipothesis that the assimetry of tbe webs can be explained by temporal parameters of the predatory response of spiders (fu
Publicado em: 1993