Hi

 

Im working on my master thesis, I need to get a plot currents distributed
over a surface. 

I have the data listed in a dataframe with the x coordinates, y coordinates
and the value.

Im using the persp function but I’ve not found out how to put the data into
the z1 variable

 

es <-read.table("RDatalog_pass_dev_1_wafers_1_8V.txt",header=T,sep="\t")

x1 <- seq(0,40, length=40)

y1 <- x1

z1 <- ? (es[,5]is the column with the data, es[,3] is the x coocdinate, and
es[,2] is the y coocrdinate]

persp(x1,y1,z1)

 

I will appreciate all help because this will be a nice thing to present in
my report.

 

Tor J.


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