R 如何将转换矩阵读入用于马尔可夫链建模的Cytoscape?
我想读一个转换矩阵到Cytoscape中,用于马尔可夫链建模。举个例子,我从这篇文章中借用了以下转换矩阵(包括R代码): Cytoscape如何读取这样的过渡矩阵 多谢各位 转换矩阵的格式 这就是transitionMatrix的外观:R 如何将转换矩阵读入用于马尔可夫链建模的Cytoscape?,r,format,transition,markov-chains,cytoscape,R,Format,Transition,Markov Chains,Cytoscape,我想读一个转换矩阵到Cytoscape中,用于马尔可夫链建模。举个例子,我从这篇文章中借用了以下转换矩阵(包括R代码): Cytoscape如何读取这样的过渡矩阵 多谢各位 转换矩阵的格式 这就是transitionMatrix的外观: tired angry calm tired 0.5 0.5 0.0 angry 0.0 0.2 0.8 calm 0.8 0.0 0.2 R代码 pre<-cbind(c(rep("tired",
tired angry calm
tired 0.5 0.5 0.0
angry 0.0 0.2 0.8
calm 0.8 0.0 0.2
R代码
pre<-cbind(c(rep("tired",100),rep("angry",100),rep("calm",100)))
post<-cbind(c(rep("tired",50),rep("angry",70),rep("calm",100),rep("tired",80)))
df<-cbind(pre,post)
df<-as.data.frame(df)
colnames(df)<-c("pre","post")
states<-c("tired","angry","calm")
probsCase<-function(i,j){
sum(as.character(df$pre)==states[i] &
as.character(df$post)==states[j])/sum(as.character(df$pre)==states[i])
}
transitionMatrix<-outer(1:3,1:3,Vectorize(probsCase))
colnames(transitionMatrix)<-states
rownames(transitionMatrix)<-states
pre有一个名为aMatReader的应用程序,可以让你阅读邻接矩阵
--滑板车