R 图主，R 图主选项中的迭代器

Question

我需要一种方法来更改主图，其中的迭代器"i"，例如main = "Grafico de credibilidad" + i，然后当 6 个图出现时，它们的标题会像"Grafico de credibilidad 1"一样变化，并且 1 会增加。

momentos1 <- read.table("momentos1.txt")
par(mfrow = c(2,3),bg = "white") 
x<-seq(0,1,0.01) 
for(i in 1:6){
  plot(x,dbeta(x,momentos1$alpha.1.30.[i],momentos1$beta.1.30.[i]),
       main = "Grafico Credibilidad",axes = F,col="blue",
       ylab = "",
       xlab = "",
       ylim = c(0,5),type = "l"
       )
  axis(1,at = seq(0,1,0.1),las=1)
  box()
  grid()
} 

多谢。

Answer 1

您可以使用

paste()

momentos1 <- read.table("momentos1.txt")
par(mfrow = c(2,3),bg = "white") 
x<-seq(0,1,0.01) 
for(i in 1:6){
  plot(x,dbeta(x,momentos1$alpha.1.30.[i],momentos1$beta.1.30.[i]),
       main = paste("Grafico Credibilidad ",i),axes = F,col="blue",
       ylab = "",
       xlab = "",
       ylim = c(0,5),type = "l"
       )
  axis(1,at = seq(0,1,0.1),las=1)
  box()
  grid()
}