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I need it to look like this:
R^2 = some values
And I've tried the code below but it wouldn't work, it came out as "R (expression (^2)) = some values" instead:
text (25, 200, paste ("R (expression (^2)) =", round (rsquarelm2, 2)))
871
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You don't want a character vector, but an expression, hence this
expression(R^2 == 0.85)
is what you need. In this case, you want to substitute in the result of another R operation. For that you want substitute() or bquote(). I find the latter easier to work with:
rsquarelm2 <- 0.855463
plot(1:10, 1:10, type = "n")
text(5, 5, bquote(R^2 == .(round(rsquarelm2, 2))))
With bquote(), anything in .( ) is evaluated and the result is included in the expression returned.
195
The paste function returns a string, not an expression. I prefer to use bquote for cases like this:
text(25, 200, bquote( R^2 == .(rs), list(rs=round(rsquarelm2,2))))
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