Dear J.,
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
project.org] On Behalf Of Jhope
Sent: February-10-12 3:44 AM
To: r-help@r-project.org
Subject: [R] Q - scatterplots
I was able to make a scatterplot but ...
1) what does the 86 mean? The 86 shows up on the graph as well.
scatterplot (Shells/TotalEggs ~ Sector, data = data.to.analyze)
[1] 86
You don't provide enough information to answer your questions. I assume, for
example, that this is the scatterplot() function in the car package. If so,
the function returns the names (in your case, numbers) of outlying
observations, which are also labelled on the graph, but that shouldn't have
happened unless you set the id.n or id.method arguments appropriately.
Beyond the command, you haven't provided any information about the version
of the car package that you're using, or even whether that's what you're
using.
2) Also how do you change the Y axis title? I don't want it to read
Shells/TotalEggs, instead I would like it to read Average Hatching
Rate (%).
See ?scatterplot, in particular, the ylab argument, assuming again that
you're using scatterplot() in the car package.
3) What does this error mean? Rayos if composed of section 1, 2, 3, 4
and 5
scatterplot (Shells/TotalEggs ~ Rayos, data = data.to.analyze)
Error in plot.window(...) : need finite 'xlim' values In addition:
Warning messages:
1: In xy.coords(x, y, xlabel, ylabel, log) : NAs introduced by
coercion
2: In min(x) : no non-missing arguments to min; returning Inf
3: In max(x) : no non-missing arguments to max; returning -Inf
I suspect that Rayos isn't numeric but without the data it's impossible to
tell.
Please see the posting guide for r-help
http://www.R-project.org/posting-guide.html for how to formulate an
answerable question.
Best,
John
John Fox
Senator William McMaster
Professor of Social Statistics
Department of Sociology
McMaster University
Hamilton, Ontario, Canada
http://socserv.mcmaster.ca/jfox
J
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