R - stargazer 添加参考类别

问题描述

我想知道是否有人提出了一种解决方案，可以使用 stargazer 显示分类变量的参考类别?

I was wondering if someone came with a solution to show up the reference categories of categorical variables using stargazer?

library(stargazer)

让我们假设 gear 和 carb 是分类变量

Let us imagine that gear and carb are categorical variables

mtcars$gear = factor(mtcars$gear)
mtcars$carb = factor(mtcars$carb)

我用

lm1 = lm(disp ~ gear + carb, mtcars)

和 stargaze 结果.

stargazer(lm1, single.row = TRUE,  omit.table.layout = "sn")

我明白了

但是，我发现自己总是回到 tex 文件来自定义参考类别来获取

However, I find myself always going back to the tex file to custom the reference categories to get

基本上，我所做的是在变量之间添加 latex :

Basically, what I do is to add to the latex in between variables :

gear (ref = 3) &  \
 -hspace{0.3cm} gear4 & $-$202.921$^{***}$ (22.477) \

等等.

有人知道我是否可以在 stargazer 函数中添加这类 lines 吗?

Anyone had any idea if I can add these kind of lines in the stargazer function ?

推荐答案

你可以通过向stargazer提供covariate.labels来实现你想要的输出:

You can achieve the output you want by providing covariate.labels to stargazer:

library(magrittr)
library(stringr)
library(stargazer)

covlabels <-
    names(lm1$coefficients)[-1] %>%
    if_else(str_sub(., 1, 4) == "gear" | str_sub(., 1, 4) == "carb", paste("\-\hspace{0.3cm}", .), .) %>%
    if_else(str_sub(., 18, 24) == "gear4", paste("gear (ref=3) \\", .), .) %>%
    if_else(str_sub(., 18, 24) == "carb2", paste("carb (ref=1) \\", .), .)

stargazer(lm1, single.row = TRUE,  omit.table.layout = "sn", covariate.labels=covlabels)

产量

% Table created by stargazer v.5.2 by Marek Hlavac, Harvard University. E-mail: hlavac at fas.harvard.edu
% Date and time: Mon, Jan 08, 2018 - 3:18:09 AM
egin{table}[!htbp] centering
  caption{}
  label{}
egin{tabular}{@{extracolsep{5pt}}lc}
\[-1.8ex]hline
hline \[-1.8ex]
 & multicolumn{1}{c}{	extit{Dependent variable:}} \
cline{2-2}
\[-1.8ex] & disp \
hline \[-1.8ex]
 gear (ref=3) \ -hspace{0.3cm} gear4 & $-$202.921$^{***}$ (22.477) \
  -hspace{0.3cm} gear5 & $-$160.898$^{***}$ (36.282) \
  carb (ref=1) \ -hspace{0.3cm} carb2 & 71.282$^{**}$ (27.919) \
  -hspace{0.3cm} carb3 & 25.574 (39.919) \
  -hspace{0.3cm} carb4 & 155.852$^{***}$ (27.355) \
  -hspace{0.3cm} carb6 & 55.672 (68.065) \
  -hspace{0.3cm} carb8 & 211.672$^{***}$ (68.065) \
  Constant & 250.226$^{***}$ (24.363) \
 hline \[-1.8ex]
hline
hline \[-1.8ex]
end{tabular}
end{table}

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