母体参数PopulationParameter样本统计量SampleStatistic
解析 A A parameter is any descriptive measure of a population characteristic. The population variance describes a population while the sample standard deviation, sample mean, and sample mode are each descriptive measures of samples.反馈 收藏
A parameter is a characteristic of a population. A statistic is a characteristic of a sample andsamplescan only result in inferences about a population characteristic. Inferential statistics allow you to make an educated guess about a population parameter based on a statistic computed from a sample ...
Elsevier B.V.Ecological ModellingCheng Zhi-Bin, Li Bai-Lian, Zou Chao-Shun and Que Tai-Lin, 1986. Parameter estimation of nonlinear population model with two parameters, growth of a yeast population as an example. Ecol. Modelling, 34: 191-196....
Although both standard deviations measure variability, there are differences between a population and asample standard deviation. The first has to do with the distinction betweenstatistics and parameters. The population standard deviation is a parameter, which is a fixed value calculated from every indiv...
We used a resolution parameter of r = 0.5 as the starting value for each level of community detection. If more than one community was detected, we split the network into the respective communities, and repeated the community detection step. If no communities were detected, we incremented ...
Additionally, we can calculate a lower bound and an upper bound for the estimated parameter.The margin of error is the difference between the lower and upper bounds from the point estimate.Together, the lower and upper bounds define a confidence interval....
The parameter μ∈[0,1] introduces an asymmetry between focal and non-focal players that is natural in the model, given a possibly reduced pay-off to non-focal players. In this work, we will consider only the case in which each strategist defines precisely the number of players to be ...
(a), number of infections caused by a patient (e), reactivation factor in recovered (w), tolerance to progression to disease (s) and to disease (g), and immunity (i). Picture A shows the influence of each parameter in the incidence and B clearance of the infection. Dotted red lines ...
We compare the spatial genetic structure of the aposymbiotic and holobiont datasets throughout the region and use coalescent simulation and model selection to understand whether the two datasets can be interpreted as having the same demographic histories and parameter estimates (i.e., effective ...