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Factores institucionales, pedagógicos, psicosociales y sociodemográficos asociados al rendimiento académico en la Universidad de Costa Rica: un análisis multinivel
(2007)
Se realizó un análisis multinivel para predecir calificaciones finales en cursos de carrera, para una muestra estratificada, por áreas académicas, de 848 estudiantes de la Universidad de Costa Rica. Se utilizaron como ...
EFECTO DE LA SALINIDAD SOBRE ALGUNAS VARIABLES BIOQUÍMICAS, INMUNOLÓGICAS, FISIOLÓGICAS Y PRODUCTIVAS DEL CAMARÓN Litopenaeus vannamei CULTIVADO EXPERIMENTALMENTE
(2011-08-05)
Shrimp farming is one of the fastest growing industries both globally and nationally, but in the last decade the development of shrimp aquaculture has been limited by the occurrence of infectious diseases mainly caused by ...
X̄ chart with variable sample size and sampling intervals
(1997-04-01)
Recent theoretical studies have shown that the X̄ chart with variable sampling intervals (VSI) and the X̄ chart with variable sample size (VSS) are quicker than the traditional X̄ chart in detecting shifts in the process. ...
X̄ chart with variable sample size and sampling intervals
(1997-04-01)
Recent theoretical studies have shown that the X̄ chart with variable sampling intervals (VSI) and the X̄ chart with variable sample size (VSS) are quicker than the traditional X̄ chart in detecting shifts in the process. ...
Expresiones algebraicas de varias variables que se reducen a una variable
El video muestra el trabajo con expresiones algebraicas de varias variables, incluye ejemplos prácticos y ejercicios demostrativos.
Short time-scale variability in the Faint Sky Variability Survey
(Blackwell, 2006)
We present the V-band variability analysis of the point sources in the Faint Sky Variability Survey on time-scales from 24 min to tens of days. We find that about one per cent of the point sources down to V = 24 are ...
Measurement of the variables in the educative research and it´s relationship with the numerical systemLa medición de las variables en la investigación educativa y su relación con el sistema numérico
(Universidad Central "Marta Abreu" de Las Villas, 2012)