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I would like to add a line showing the relationship between two variables x and y in a scatter plot.

graph gra_b1.scat(n) x y
gra_b1.option linepat
gra_b1.setelem(1) lcolor(blue) lwidth(2) symbol(circle)
gra_b1.setelem(2) lcolor(blue) lwidth(2) symbol(circle)

what is the command to add the line?

Thank you.

It is useful, but it seems not flexible enough.

For example you cannot standardize variables with the option (n):
myscat.scat(n)

or you cannot add a text with the option
myscat.addtext(.2, .1, x) Relation between x and y

I have figure out how to add a text:
myscat.addtext(.2, .1) Relation between x and y

but not how to standardize variables with the option (n)

Once standardized the variables, is it possible to add a vertical line crossing the zero?

Best

I also found the way to add the vertical line crossing the zero.

The questions left are:

1) automatic standardization of the variables (n)
2) rather than a linear fit, what would be the command to add a polynomial (power = 2) in the graph?

All the information for fitting regressions in graphs are note available in "Eviews 8 Command Ref.pdf"
Where are these reported?

Best

Object Reference

Thanks very useful.

The last think I need to do is to add a scalar in the graph.

For example I run a regression between x and y and save the adjusted R^2 named adjr2.

I need to add the scalar adjr2 in the graph.


Note that I cannot add the number using addtext because it is a loop of many charts.

Best

You'll have to use addtext

Addtext would add a text not the scalar`.
Unless you are suggesting to add the number directly in the addtext option.

Convert the scalar to text with the @str function.