On Aug 15, 2010, at 10:58 AM, Stephen Liu wrote:
----- Original Message ----
From: David Winsemius <dwinsem...@comcast.net>
To: JesperHybel <jesperhy...@hotmail.com>
Cc: r-help@r-project.org
Sent: Sat, August 14, 2010 5:44:00 PM
Subject: Re: [R] Learning ANOVA
Hi David,
- snip -
JH > Also how to save InsectSprays.aov? I think I can only save
it as
InsectSprays.csv. I can't find "write.aov" command.
If you want to save an R object such as that returned by a function
like aov,
there are several ways. The save() function will create a compacted
form that
can then be read back into an R session with load(). >The dump()
and dput()
functions will turn an object into an ASCII representation that can
be saved as
a text file. If you only want to have the text that is produced
when you "print"
it (and this is what you >implicitly get when to just call the
function at the
console), then use sink() or capture.output().
Whether run;
save(InsectSprays.aov, file="InsectSprays.rda")
?
How to select the path and directory for saving the file?
Try this:
save(InsectSprays.aov, file=file.choose() # and save it in a location
that you will be able to remember.
To load the file;
load(InsectSprays.rda) That would not work because you did not
quote the argument. The R interpreter went looking for a a
character valued object named InsectSprays.rda and didn't find one
in its workspace.
?
Then try this:
load(file.choose()) # and navigate to whatever folder in which you
save the file.
I looked at ?dump and ?dput and couldn't resolve how to run them
creating ASCII
and text file. Please help. TIA
"InsectSprays.aov" is an object - in this case probably a list.
Not "probably"; it is a list. Look at it with str if you have
questions.
This is just to get you started. You also need to learn how to
properly name your files in your operating system. Since it is a Mac,
you can drag a file to the console from a Finder window and a correct
text specification of the file will appear. Put quotes around it and
you cna use it as an argument to laod or as an arguemtnt to file in
save.
--
David Winsemius, MD
West Hartford, CT
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