使用与FELM模型的Interplot图来绘制相互作用效果
我正在尝试以图形方式对 R 中 felm 模型的交互效果进行建模。我正在使用 interplot 包来绘制效果图（理想情况下具有置信区间，正如我所见）使用正常的 lm 回归完成但是，当我使用 felm 进行编码时，我收到以下错误：
Error in (function (classes, fdef, mtable) :
unable to find an inherited method for function ‘sim’ for signature ‘"felm"’
一样简单
reg_test <- felm(data = dataframe, outcome ~ x*x_interaction + controls | country_fe + year_fe)
interplot::interplot(reg_test, var1 = "x", var2 = "x_interaction")
我的编码本质上与 Is interplot 。与 felm 不兼容，或者有什么方法可以使两者兼容并以图形方式绘制固定效应回归的交互效果？是否需要添加一些内容，或者我可以将 felm 转换为可以生成的格式吗？或者，除了 interplot 之外，还有其他包可以与 felm 一起使用并允许我生成具有置信区间的交互图吗？
I am trying to graphically model the interaction effect of an felm model in R. I am using the interplot package to graph the effects (ideally with confidence intervals, as I have seen done with normal lm regressions. However, when I code with felm, I receive the following error:
Error in (function (classes, fdef, mtable) :
unable to find an inherited method for function ‘sim’ for signature ‘"felm"’
My coding was as simple as
reg_test <- felm(data = dataframe, outcome ~ x*x_interaction + controls | country_fe + year_fe)
interplot::interplot(reg_test, var1 = "x", var2 = "x_interaction")
Is interplot fundamentally incompatable with felm, or is there a way I can make the two compatable and graphically plot the interaction effects of my fixed effect regression? Is there something I need to add, or can I convert the felm into a format that makes generating the interaction plot work? Alternatively, is there another package than interplot that would work with felm and allow me to generate the interaction plot with confidence intervals?
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