Sentences with phrase «observational time points»

Not exact matches

«The main factor here is whether or not we use personal force,» says Greene, who points to historical and observational data suggesting people have a reluctance to hurt each other, even in times of war.

James O'Malley, PhD and former post-doc, Jaeun Choi, PhD recently had their paper «Estimating the causal effect of treatment in observational studies with survival time end points and unmeasured confounding» published in The Journal of the Royal Statistics Society; Applied Statistics.

The most accepted theory establishes that the orbits of these objects, which travel beyond Neptune, should be distributed randomly, and by an observational bias, their paths must fulfil a series of characteristics: have a semi-major axis with a value close to 150 AU (astronomical units or times the distance between the Earth and the Sun), an inclination of almost 0 ° and an argument or angle of perihelion (closest point of the orbit to our Sun) also close to 0 ° or 180 °.

It was very large, unique and comprehensive but it was observational (i.e., not interventional), simply observing things as they were at a single point in time.

As they point out, «In reality, however, observational coverage varies over time, observations are themselves prone to bias, either instrumental or through not being representative of their wider surroundings, and these observational biases can change over time.

Maybe Trenberth thought our observations lacked a few data points, for example at the time he wrote that email, the observational evidence for seawater temperatures below 700 meters was, shall we say scant.

Observational and questionnaire assessments of parenting behavior were collected via home visits at three time points, as were reports of parent and family functioning.