[R] lm() with spearman corr option ?

[Bert Gunter]

Please read ?lm! -- where it says:

method:
the method to be used; for fitting, currently only method = "qr" is
supported; method = "model.frame" returns the model frame (the same as
with model = TRUE, see below).


More to the point, your request for a "spearman" method for lm() makes
little or no sense. There *are*  rank-based methods for multiple
regression, but that sort of discussion is off topic here. I suggest
you talk with a local statistician as you appear to be out of your
depth statistically; or you might try posting on a statistical site
like stats.stackexchange.com

Cheers,
Bert
Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Thu, Apr 28, 2016 at 8:35 PM, Hoji, Akihiko <akh22 at pitt.edu> wrote:
> Hi,
>
> A following function was  kindly provided by GGally’s maintainer, Barret Schloerke.
>
> function(data, mapping, ...) {
>     p <- ggplot(data = data, mapping = mapping) +
>         geom_point(color = I("blue")) +
>         geom_smooth(method = "lm", color = I("black"), ...) +
>         theme_blank() +
>         theme(panel.border=element_rect(fill=NA, linetype = "solid", color="black"))
>
>     lmModel <- eval(substitute(lm(y ~ x, data = data), mapping))
>     fs <- summary(lmModel)$fstatistic
>     pValue <- pf(fs[1], fs[2], fs[3], lower.tail = FALSE)
>
>     if (pValue < 0.05) {
>         p <- p + theme(
>             panel.border = element_rect(
>                 color = "red",
>                 size = 3,
>                 linetype = "solid",
>                 fill = "transparent"
>             )
>         )
>     }
>
>     p
> }
>
> Basically, this function draws red squares  over pairwise corr plots with p<0.05.  Now, since I need to use the spearman rank corr, I tried to modify the lm function by adding “method=spearman”  but this did not work at al.  Could anybody suggest the way to add the spearman rank corr function in this particular function ?
>
> Thanks.
>
>
>
>
>
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