[R] Help in persp (VERY URGENT ASSISTANCE)

[Sundar Dorai-Raj]

Lakshmi Dhevi Baskar wrote on 3/16/2005 12:02 PM:
>  
> Dear All,
>  
> I am very new to R projects.May be i am wrong in some steps.I have given the code which i tried for drawing 3d surface using persp.I need to label the axes with scales
>  
>  z <- array(topnew2$V2, dim=c(600,2))
>  x <- 10 * (1:nrow(z))
>  y <- (1:ncol(z))
>  persp(x, y, z, theta = 30, phi = 30, expand = 0.5, col = "lightblue", xlab ="fluidlevel", ylab ="time", zlab = "probability",xlim=range(x),ylim=range(y))
> 
>  
>  
> I have a text file  of format:
>  
>      V1 V2   V3
> 1     1  0   10
> 2     1  0   20
> 3     1  0   30
> 4     1  0   40
> 5     1  0   50
> ..................
>  now i converted to matrix as "z" 
>  
>   z:............
>         [,1] [,2]
>   [1,]    0    0
>   [2,]    0    0
>   [3,]    0    0
>   [4,]    0    0
>   [5,]    0    0
>   [6,]    0    0
>   [7,]    0    0
>   [8,]    0    0
> ...................
>  
>  
>  
> i need to label x axis with scale from 10 to 6000 with length of 10
> and y axis with 1 and 2 
> and z from 0 to 1(probabilty)
>  
>  
> kindly guide me...(may be i have misunderstood some concepts in commands)...
>  
> thanks in advance for the help and patience
> 
> 		

Lakshmi,

Have you tried using persp(..., ticktype = "detailed", nticks = 10)? 
This is found in ?persp.

--sundar