半正态描点图 half-normal plots

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[url=]Half-Normal Probability Plots (半正态概率图)- Categorized. [/url]This type of graph is used to evaluate the normality of the distribution of a variable, that is, whether and to what extent the distribution of the variable follows the normal distribution. The selected variable will be plotted in a scatterplot against the values "expected from the normal distribution." The half-normal probability plot is constructed in the same way as the standard normal probability plot, except that only the positive half of the normal curve is considered. Consequently, only positive normal values will be plotted on the Y-axis. This plot is used when one wants to ignore the sign of the residual, that is, when one is mostly interested in the distribution of absolute residuals, regardless of the sign.

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关键词：normal Plots Half Lots Norm only positive expected selected

版主的帖子总是不火吗？

请问半正态图怎么解读

但有一些是可以用的