3D plot from model in R plotly?

Question

Is it possible to generate a 3D plot from models using plotly? I tried to search over the internet, but many examples are based on the infamous volcano dataset that generates a plot from a matrix of points.

My two models are:

y = 0.49867x - 4.78577

y = 76.13084x + 4.81945

If not possible, how can i transform my data into the matrix format such as that in the volcano dataset? For more details, I have hosted the data file here. I have never used plotly before and i'm unfamiliar with the grammar, but i think i can manage if i can at least format my data into the likes of the volcano dataset.

Thank you.

Imran Kocabiyik · Accepted Answer · 2020-04-22 13:10:27Z

1

To plot a surface with plotly, you need to construct a numeric matrix.

Taking Himmelblau's function as a test:

f <- function(x, y) { (x^2+y-11)^2 + (x+y^2-7)^2 }

Create x and y values:

x <- seq(-6, 6, length = 100)
y <- x

Then, create z with outer function. It will return a matrix.

z <- outer(x, y, f)

We can now create a surface plot:

library(plotly)
plot_ly(x = x, y = y, z = ~z) %>% add_surface()

edited Apr 22, 2020 at 13:10

answered May 23, 2019 at 8:02

Imran Kocabiyik

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