如何在扫帚包的tidy()函数输出中添加星号? [英] How can I add stars to broom package's tidy() function output?

问题描述

我一直在R中使用扫帚包的 tidy()函数来打印我的模型摘要.

I have been using the broom package's tidy() function in R to print my model summaries.

但是， tidy()函数返回不带星星的p值，这使许多习惯于在模型摘要中看到星星的人感到有些奇怪.

However, the tidy() function returns p-values without stars, which makes it a bit weird for many people who are used to seeing stars in model summaries.

有人知道一种在输出中添加星星的方法吗?

Does anyone know a way to add stars to the output?

推荐答案

我们可以使用来自 gtools 的便捷函数 stars.pval 来实现

We can use a convenient function stars.pval from gtools to do this

library(gtools)
library(broom)
library(dplyr)
data(mtcars)
mtcars %>%
   lm(mpg ~ wt + qsec, .) %>%
   tidy %>%
   mutate(signif = stars.pval(p.value))
#        term  estimate std.error  statistic      p.value signif
#1 (Intercept) 19.746223 5.2520617   3.759709 7.650466e-04    ***
#2          wt -5.047982 0.4839974 -10.429771 2.518948e-11    ***
#3        qsec  0.929198 0.2650173   3.506179 1.499883e-03     **

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