我想查看源代码,例如cook.distance()。这是我尝试过的:
cooks.distance
function (model, ...)
UseMethod("cooks.distance")
<bytecode: 0x3f25b5c>
<environment: namespace:stats>
然后我尝试了:
debug(cooks.distance)
但是我什么都没得到。然后我尝试了:
methods(cooks.distance)
[1] cooks.distance.glm* cooks.distance.lm*
Non-visible functions are asterisked
然后我尝试了:
lm:::cooks.distance.default
Error in loadNamespace(name) : there is no package called ‘lm’
有人告诉我lm在MASS包中,所以我尝试了以下操作:
MASS:::cooks.distance.default
Error in get(name, envir = asNamespace(pkg), inherits = FALSE) :
object 'cooks.distance.default' not found
我该如何查看源代码?我试着查看源代码,但无法找到该函数的位置?
stats
包中,不在MASS
中。尝试使用stats:::cooks.distance.lm
。 - jorangetAnywhere(cooks.distance.lm)
- Roland