Displaying 6 results from an estimated 6 matches for "drcjones".
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cjones
2011 Jul 19
5
multiple plots in single frame: 2 upper, 1 lower
Hi,
par(mfrow = c(2,2))
will create a 2x2 window that I can use to plot 4 diferent figures in:
[plot1 plot2]
[plot3 plot4]
But how can do 3 so that the bottom spans the width of the upper two:
[plot1 plot1]
[p l o t 3]
Is this possible in R?
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Sent from the R
2010 Nov 16
5
scatterplot with filled circles
for a simple scatterplot:
plot(X ~ Y, type = 'p', col = 'red')
this produces red-edged circles, but I want to fill in the circles.
can this be done? I checked '? plot' already but couldn't find what I was
looking for.
cheers
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Sent from the R
2010 Sep 08
3
Saving/loading custom R scripts
Hi,
How does R automatically load functions so that they are available from the
workspace? Is it anything like Matlab - you just specify a directory path
and it finds it?
The reason I ask is because I found a really nice script that I would like
to use on a regular basis, and it would be nice not to have to 'copy and
paste' it into R on every startup:
2011 Jul 22
2
Fit elipse to xy scatter
Hi,
I know there is a package 'elipse' available but I'm not sure how to use it
for my specific implementation.
What I would like to do is fit an elipse to two lines of identity (at right
angles to each other), as indicated in the following figure:
http://imageshack.us/photo/my-images/30/poincareplotwip.png/
Conceptually, I'm really struggling to even come up with a way of
2010 Oct 22
2
superscript characters in title with '+'
Hi,
How can I get the '2+' into superscript in the following title:
'[Ca2+]i onsets'
I tried the command below, but it doesn't work. What am I missing?
hist(X, main=expression(([Ca*]i^2+) 'onsets'), xlab = 'sec')
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Sent from the R
2010 Sep 02
1
Error: could not find function "ad.test"
Hi,
I'm trying to run an anderson-darling test for normality on a given variable
'Y':
ad.test(Y)
I think I need the 'nortest' package, but since it does not appear in any of
the Ubuntu repositories for 2.10.1, I am wondering if it goes by the name of
something else now?
Thanks
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