问题描述
我有以下代码:
library(readxl)
library(car)
library(rgl)
input <- read_xlsx("PlotsStatenIsland.xlsx")
Elevation <- c(input$Elevation)
ComNorm <- c(input$ComNorm)
Percent <- c(input$Percent)
Income2<-structure(list(X = NROW(Elevation),Elevation,Percent,ComNorm),.Names = c("X","Elevation","Percent","ComNorm"),class = "data.frame")
scatter3d(ComNorm ~Elevation + Percent,data=Income2,fit="smooth",method="loess",df.smooth = 10,color="green",point.col="green",tickmarks="detailed",xlab="Elevation",ylab="Complaints",zlab="Percent Rise")
问题在于曲线变为负值。有办法防止这种情况吗?
这是一张图片:
非常感谢
解决方法
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