【发布时间】:2020-05-07 03:10:01
【问题描述】:
我正在尝试构建贝叶斯网络模型。但是我无法安装合适的软件包。尝试使用gRain、bnlearn 和Rgraphviz 进行绘图。我在 R 2.15 和 3.2 中尝试过
以下是错误信息:
library(gRain)
Loading required package: gRbase
Loading required package: graph
Error: package ‘graph’ could not be loaded
In addition: Warning message:
In library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc = lib.loc) :
there is no package called ‘graph’
> install.packages("graph")
Warning message:
package ‘graph’ is not available (for R version 2.15.3)
与 R 3.2.1 相同
> install.packages("graph")
(as ‘lib’ is unspecified)
Warning message:
package ‘graph’ is not available (for R version 3.2.1)
> install.packages("Rgraphviz")
(as ‘lib’ is unspecified)
--- Please select a CRAN mirror for use in this session ---
Warning messages:
1: In open.connection(con, "r") : unable to resolve 'cran.r-project.org'
2: package ‘Rgraphviz’ is not available (for R version 3.2.1)
> install.packages("Rgraphviz")
(as ‘lib’ is unspecified)
Warning message:
package ‘Rgraphviz’ is not available (for R version 2.15.3)
模型的其他信息
1) 变量数 - 17 2) 变量类型 - 离散/连续
【问题讨论】:
标签: r bayesian-networks