Error using plot Invalid data argument.

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Arupratan
Arupratan 2024-9-21
回答： Voss 2024-9-21
This is my program. Need help to solve it.
clc;
t = readtable('error graph.xlsx','Sheet','Sheet1');
x = t.ModelName;
y = t.Rmse;
z = t.R_2;
plot(x,y)
hold on
plot(x,z)
hold on

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回答（2 个）

Walter Roberson
Walter Roberson 2024-9-21
I would guess that you need
plot(categorical(x), y)
and
plot(categorical(x), z)
Voss
Voss 2024-9-21

Try replacing

x = t.ModelName;

with

x = categorical(t.ModelName);

And run the code again.

If that doesn't work, attach the xlsx file using the paperclip button.

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