much ‘significance’ is significant? The transition from animal models to human trials in resuscitation research. Ann Emerg Med - How - 1993 () Citation Context ...mon language and poor communication among investigators. Modern cardiopulmonary resuscitation (CPR) research depends on the use of ...
How Much Asymmetry is Considered Significant?Douglas Beck
Correlation and causation exist at the same time, but “causation” is a much higher standard. For example, you find that your child is standing by a table and there’s milk all over the place. So they spilled it. No — the cat did it before you walked in the room. ...
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The observed difference would be very unusual under the chance-only explanation if the p-value was 0.01%, much less than 5%. Alex might decide to reject the null hypothesis in this case and further investigate whether some traders had advance knowledge ...
How green is your plant? [power stations] For many years the principal concern of the power generation business has been to provide electricity to consumers with maximum reliability and with consid... Gaskell,B J. - 《Power Engineering Journal》 被引量: 6发表: 1999年 Reliability: What is it...
In statistics,R-squaredrepresents a notable component of regression analysis. The coefficient R represents the correlation between two variables—for investment purposes, R-squared measures the explained movement of a fund or security in relation to a benchmark. A high R-squared shows that a portfol...
Obesity is the single greatest cause of early deaths after smoking.It results in more years of unhealthy life,diminishing the quality of life.It also increases many physical and mental health issues,from heart disease to diabetes (糖尿病) to cancer and depression. Recently,childhood obesity has ...
The p-value is used to measure the significance of observational data. When researchers identify an apparent relationship between two variables, there is always a possibility that this correlation might be a coincidence. A p-value calculation helps determine if the observed relationship could arise as...
The inverse correlation between inflation and unemployment depicted in the Phillips curve works well in the short run, especially when inflation is fairly constant as it was in the 1960s. However, it does not hold up over the long term since the economy reverts to the natural rate of unemplo...