How to add trendline to scatterplot?

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Ani Asoyan
Ani Asoyan 2020-12-27
编辑： Dima 2024-3-17
hi, I have 2 variables with data, like
x=2 1 4 68 4 5
y=5 4 2 23 21 50
I want to add trendline to the scatter plot. how can I do that?

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采纳的回答

Ameer Hamza
Ameer Hamza 2020-12-27
Something like this
x = [2 1 4 68 4 5]
y = [5 4 2 23 21 50]
p = polyfit(x, y, 1);
px = [min(x) max(x)];
py = polyval(p, px);
scatter(x, y, 'filled')
hold on
plot(px, py, 'LineWidth', 2);

更多回答（1 个）

Dima
Dima 2024-3-17
编辑：Dima 2024-3-17
x = [2 1 4 8 4 5]
y = [5 4 2 53 21 50]
p = polyfit(x, y, 1);
px = [min(x) max(x)];
py = polyval(p, px);
scatter(x, y, 'filled')
lsline
lsline command.

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