Thank you for your help!
i'm still wondering if it's possible to transfer the results of the log
regression into a plot with the nonlog values.
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x)
lines(exp(logypred)~x, col=2)
plot(y~x, log="xy")
lines(exp(logypred)~x, col=2)
Chris
-Original Message-
From: Rui Barradas [mailto:ruipbarra...@sapo.pt]
Sent: Friday, December 14, 2012 12:06 PM
To: mrkooper
Cc: r-help@r-project.org
Subject: Re: [R] plotting log regressio
Hello,
How can you expect to see the fit line if you are ploting x and y
values, not their logarithms?
And your definitions of x and y are wrong, they should use c().
x <- c(1,2,3,4,5)
y <- c(6,7,8,9,10)
plot(log(x), log(y))
fit <- lm(log(y) ~ log(x)) # Same as glm
abline(fit)
Please read
I want to plot the regression line of a log regression into a plot with my
normal, nonlog, data.
for example
x <- (1,2,3,4,5)
y <- (6,7,8,9,10)
plot (x,y)
I tried a log-regression by
a <- glm (log(y) ~ log(x))
and then i tried to insert the answer to my graph, where the standard values
are s
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