plotRMSEAdist(semTools)
plotRMSEAdist()所属R语言包:semTools
Plot the sampling distributions of RMSEA
绘制的抽样分布RMSEA
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Plots the sampling distributions of RMSEA based on the noncentral chi-square distributions
非中心卡方分布的基础上绘制的抽样分布RMSEA
用法----------Usage----------
plotRMSEAdist(rmsea, n, df, ptile=NULL, caption=NULL, rmseaScale = TRUE)
参数----------Arguments----------
参数:rmsea
The vector of RMSEA values to be plotted
的向量RMSEA值被绘制
参数:n
Sample size of a dataset
数据集的样本大小
参数:df
Model degrees of freedom
模型自由度
参数:ptile
The percentile rank of the distribution of the first RMSEA that users wish to plot a vertical line in the resulting graph
RMSEA第一,用户希望得到的图形绘制一条垂直线分布的百分位排名
参数:caption
The name vector of each element of rmsea
的名称矢量的每个元素rmsea
参数:rmseaScale
If TRUE, the RMSEA scale is used in the x-axis. If FALSE, the chi-square scale is used in the x-axis.
如果TRUE,RMSEA规模使用在x-轴。如果FALSE,卡方的规模是用来在x-轴。
Details
详细信息----------Details----------
This function creates overlappling plots of the sampling distribution of RMSEA based on noncentral chi-square distribution (MacCallum, Browne, & Suguwara, 1996). First, the noncentrality parameter (λ) is calculated from RMSEA by
这的函数创建overlappling图的抽样分布的非中心卡方分布(麦卡勒姆,布朗,Suguwara,1996年)的基础上RMSEA。首先,非中心参数(λ)计算从RMSEA
where N is sample size, d is the model degree of freedom, and \varepsilon is the population RMSEA. Next, the noncentral chi-square distribution with a specified degree of freedom and noncentrality parameter is plotted. Thus, the x-axis represent the sample chi-square value. The sample chi-square value can be transformed to the sample RMSEA scale (\hat{\varepsilon}) by
N是样本大小,d是模型的自由度,和\varepsilon的人口是RMSEA。其次,非中心卡方分布与特定程度的自由和非中心参数曲线。因此,在x轴表示样品的卡方值。样品卡方值可以转化为的样品RMSEA规模(\hat{\varepsilon})
where χ^2 is the chi-square value obtained from the noncentral chi-square distribution.
χ^2是从非中心卡方分布卡方值。
(作者)----------Author(s)----------
Sunthud Pornprasertmanit (University of Kansas; <a href="mailto:psunthud@ku.edu">psunthud@ku.edu</a>)
参考文献----------References----------
参见----------See Also----------
plotRMSEApower to plot the statistical power based on population RMSEA given the sample size
plotRMSEApower绘制的统计根据人口RMSEA功率给定的样本量
findRMSEApower to find the statistical power based on population RMSEA given a sample size
findRMSEApower找到根据人口RMSEA给定的样本量的统计功率
findRMSEAsamplesize to find the minium sample size for a given statistical power based on population RMSEA
findRMSEAsamplesize找到铅丹样品大小为一个给定的统计能力,根据人口RMSEA
实例----------Examples----------
plotRMSEAdist(rmsea=c(.05, .08), n=200, df=20, ptile=0.95, rmseaScale = TRUE)
plotRMSEAdist(rmsea=c(.05, .01), n=200, df=20, ptile=0.05, rmseaScale = FALSE)
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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