如何使用roxygen导出R中的类(S4)
我举了一个例子:如何使用roxygen导出R中的类(S4),r,s4,R,S4,我举了一个例子: #' class foo #' #' Is basic class for testing #' #' @slot Name a character. #' @export foo foo <- setClass(Class = "foo",
#' class foo
#'
#' Is basic class for testing
#'
#' @slot Name a character.
#' @export foo
foo <- setClass(Class = "foo",
slots = c(Name = "character"),prototype = list(Name = character())
)
#' foo
#'
#' Tis is a basic constructor for testing
#'
#' @param Name a character
#'
#' @export
#'
if(!isGeneric("foo")){
setGeneric(name = "foo",
def = function(Name_ = "default")
{
standardGeneric("foo")
})
}
setMethod(f = "foo", signature(Name_ = "character"),
definition = function(Name_)
{
return(new(Class = foo, Name = Name_))
}
)
但是,当我运行“devtools::load_all()”时,总是会出现以下错误:
in method for ‘getname’ with signature ‘theObject="foo"’: no definition for class “foo”.
如何正确导出S4类。紧随其后的是哈德利·维克汉姆。我希望人们可以构建我的类的实例,但不能扩展它。当类型约束是来自另一个包的类时,请在setMethod之前编写
@import
,其中包\u name
是定义该类的包。如果该类属于同一个包(如您的问题所述),则在将该类用作约束之前,您必须编写@include
,以确保roxygen已处理了您的类定义文件
希望能有帮助
in method for ‘getname’ with signature ‘theObject="foo"’: no definition for class “foo”.