Hi Farzaneh
If someones answer your question, they will send to your email that you
used in the system.
Best regards,
Nhat Tran.
V?o Th 2, 26 thg 11, 2018 va?o lu?c 21:20 Ahmadzadeh Siahrood Farzaneh <
farzaneh.ahmadzadeh at scania.com> ?? vi?t:
> Hi Tran ,
> It is not relevant to your answer but I want to ask you where do you look
> for the answer ? I have posted a question but Don?t know where goes the
> relevant answers. I am new for this system if you could help me I would
> appreciate.
> Best ,
> Farzaneh
>
>
>
> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Thanh
Tran
> Sent: den 26 november 2018 13:13
> To: r-help at r-project.org
> Subject: [R] Perspective Plotting - 3D Plotting in R
>
> Dear all,
>
>
>
> I'm trying to plot a surface over the x-y plane. In my data, the
response
> is KIC, and four factors are AC, AV, T, and Temp. A typical second-degree
> response modeling is as follows
>
>
> > data<-read.csv("2.csv", header =T)
>
> > mod <-
> > lm(KIC~AC+I(AC^2)+AV+I(AV^2)+T+I(T^2)+Temp+I(Temp^2)+AC:AV+AC:T+AC:Tem
> > p+AV:T+AV:Temp+T:Temp,
>
> + data = data)
>
>
>
> I want to have a response surface of KIC with two factors, i.e., AC and AV
> as shown in the attached figure.
>
> When I run the below code, I have a problem which indicates ?object
'AC'
> not found? even though I added ?data = data?
>
>
>
> > persp(AC,AV,KIC~ AC + I(AC^2) + AV + I(AV^2) + AC:AV,image > >
TRUE,theta=30,
>
> + data = data)
>
> Error in persp(AC, AV, KIC ~ AC + I(AC^2) + AV + I(AV^2) + AC:AV, image
> TRUE, :
>
> object 'AC' not found
>
>
>
> If anyone has any experience about what would be the reason for error or
> how I can solve it? Is there other simple function to plot the response
> surface?
>
> I really appreciate your support and help.
>
>
>
> Best regards,
>
> Nhat Tran
>
>
>
> Ps: I also added a CSV file for practicing R.
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>
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