“ ...参数4与多个形式参数匹配”-3D表面图

时间:2018-11-23 14:24:31

标签: r plot 3d surface

我无法使scatter3D函数在R中工作。我想绘制一个表面,但是无法使代码运行,尽管对于我在网上找到的某些对象来说很简单。我已经尝试阅读CRAN代码文档,但是却无所适从。我想运行我的代码。

本质上来说,我输入的某些变量存在问题,但我看不到哪里。我认为它可能隐藏在函数内部,而错误消息实际上并不适合我。

任何帮助将不胜感激。

代码:

library("plot3D")

w <- 1:100
sigma <- 5
x <- w + rnorm(w, w, 2*sigma)
y <- w + rnorm(w, w, sigma)
z<- w + rnorm(w, w, 3*sigma)

a <- c()
for (i in 1:10){
  a <- c(a, rep(10*i, times = 10))
}
b <- rep(seq(10, 100, 10), times = 10)
ratio = 0.4
d = ratio*a + (1 - ratio)*b + rnorm(100, 0, 10)

fit <- lm(d ~ a + b)
grid.lines = 26
a.pred <- seq(min(a), max(a), length.out = grid.lines)
b.pred <- seq(min(b), max(b), length.out = grid.lines)
ab <- expand.grid(a = a.pred, b = b.pred)
d.pred <- matrix(predict(fit, newdata = ab), 
                 nrow = grid.lines, ncol = grid.lines)
fitpoints <- predict(fit)
scatter plot with regression plane
scatter3D(a,b,d, pch = 18, cex = 2, 
          theta = 20, phi = 20,
          surf = list(a=a.pred, b=b.pred, d=d.pred,  
                      facets = F, fit = fitpoints))

错误消息:

Error in addimg(poly = NULL, plist = plist, a = c(10, 13.6, 17.2, 20.8,  : 
  argument 4 matches multiple formal arguments

1 个答案:

答案 0 :(得分:1)

我认为您需要调用x,y和z轴:

# scatter plot with regression plane
scatter3D(a,b,d, pch = 18, cex = 2, 
          theta = 20, phi = 20,
          surf = list(x=a.pred, y=b.pred, z=d.pred,
                      facets = F, fit = fitpoints))

这对我来说很有效。

有关错误修复的评论:

  • 逐行运行代码(RStudio Ctrl + Enter)。然后您意识到您的scatter3D是问题所在。
  • 删除参数,直到命令生效。在您的情况下,这表明问题surf = list(...)