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Create a heatmap from x and y values

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Douwe Horsthuis
Douwe Horsthuis el 29 de Ag. de 2022
Editada: Douwe Horsthuis el 29 de Ag. de 2022
Good morning,
I was hoping that someone could help me with this, I want to turn x and y coordinates into a heatmap:
I have a matrix edf_n, with edf_n.x and edf_n.y where these both have 530934 values that correspont to eye tracking data and where a participant was looking on the screen. I can plot this using a scatterplot: scatter(edf_n.x, edf_n.y) which looks like this:
However, what I want is to instead have a heatmap, instead.
Thank you very much!
Douwe

Respuestas (1)

David Hill
David Hill el 29 de Ag. de 2022
t=table(edf_n.x,edf_n.y);
heatmap(t,'Var1','Var2');
  3 comentarios
Image Analyst
Image Analyst el 29 de Ag. de 2022
You keep foregetting to attach your data, leading me to think you've never read the posting guidelines.
If you have any more questions, then attach your data and code to read it in with the paperclip icon after you read this:
Douwe Horsthuis
Douwe Horsthuis el 29 de Ag. de 2022
Editada: Douwe Horsthuis el 29 de Ag. de 2022
sorry about that, I had hopes that it would have worked without attaching the data. But I've attached it here. It my first time posting here, but for the rest I don't think I am missing/abusing any of the guidlines, or am I?

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