带 R 的贝叶斯网络

Question

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。已尝试 gRain、bnlearn 和 Rgraphviz 进行绘图。我试过 R 2.15 和 3.2

以下是错误消息：

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)

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 - discrete/continuous

Answer 1

软件包graph、RBGL 和Rgraphviz 不在CRAN 上，而是在bioconductor 上。

要安装这些包，执行

if (!requireNamespace("BiocManager", quietly = TRUE))
    install.packages("BiocManager")
BiocManager::install(c("graph", "RBGL", "Rgraphviz"))

然后以通常的方式从 CRAN 安装软件包：

install.packages("gRain", dependencies=TRUE)

另见 gRain installation instructions。

Answer 2

对于 R 3.5 或更高版本，您可以使用 BiocManager.
安装 Bioconductor 包请参阅：https://bioconductor.org/install.
我使用以下代码安装了它们：

if (!requireNamespace("BiocManager", quietly = TRUE))
    install.packages("BiocManager")
BiocManager::install(version = "3.10")
BiocManager::install(c("gRbase", "RBGL", "Rgraphviz", "gRain"))

带 R 的贝叶斯网络

Bayesian Network with R

r

bayesian-networks

模型的其他信息