Liaw, Andy andy_l...@merck.com
on Mon, 16 Aug 2010 08:22:33 -0400 writes:
From: Stephen Liu
Hi JesperHybel,
Thanks for your advice.
If you're trying to follow the youtube video you have a
typing mistake here:
InsectSprays.aov
, 2010 2:09:48 AM
Subject: Re: [R] Learning ANOVA
If you're trying to follow the youtube video you have a
typing mistake here:
InsectSprays.aov -(test01$count ~ test01$spray)
I think this should be:
InsectSprays.aov -aov(test01$count ~ test01$spray)
youre missing
- Original Message
From: Liaw, Andy andy_l...@merck.com
To: Stephen Liu sati...@yahoo.com; r-help@r-project.org
Sent: Mon, August 16, 2010 8:22:33 PM
Subject: RE: [R] Learning ANOVA
- snip -
Well-written model fitting functions should be called like this:
modelfn(var1 ~ var2
Stephen Liu wrote:
- Original Message
From: Liaw, Andy andy_l...@merck.com
To: Stephen Liu sati...@yahoo.com; r-help@r-project.org
Sent: Mon, August 16, 2010 8:22:33 PM
Subject: RE: [R] Learning ANOVA
- snip -
Well-written model fitting functions should be called like
- Original Message
From: Erik Iverson er...@ccbr.umn.edu
To: Stephen Liu sati...@yahoo.com
Cc: r-help@r-project.org
Sent: Mon, August 16, 2010 11:41:34 PM
Subject: Re: [R] Learning ANOVA
modelfn(count ~ spray, data=test01)
Error: could not find function modelfn
What will be +var3
(InsectSprays$count ~ InsectSprays$spray)
- Original Message -
From: Stephen Liu sati...@yahoo.com
To: r-help@r-project.org
Sent: Monday, August 16, 2010 11:01 AM
Subject: Re: [R] Learning ANOVA
- Original Message
From: Erik Iverson er...@ccbr.umn.edu
To: Stephen Liu sati
- Original Message
From: Robert Baer rb...@atsu.edu
To: Stephen Liu sati...@yahoo.com; r-help@r-project.org
Sent: Tue, August 17, 2010 12:35:07 AM
Subject: Re: [R] Learning ANOVA
modelfn(count ~ spray, data=test01)
Error: could not find function modelfn
What will be +var3 ?
I think
- 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
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
how to plot 4 graphs simultaneously?
Depends on what graphs were talking about: A Side-by-side boxplot containing
fx 4 boxplots can be generated by a single plot() command. However often you
use a primary command that activivates
the plot window and plots one graph, then afterwards you use
On Aug 14, 2010, at 3:38 AM, JesperHybel wrote:
JH .how to plot 4 graphs simultaneously?
Depends on what graphs were talking about: A Side-by-side boxplot
containing
fx 4 boxplots can be generated by a single plot() command. However
often you
use a primary command that activivates
the
-project.org
Sent: Fri, August 13, 2010 11:34:31 AM
Subject: [R] Learning ANOVA
Hi folks,
File to be used is on;
data(InsectSprays)
I can't figure out where to insert it on following command;
test01 - read.csv(fil.choose(), header=TRUE)
Please help. TIA
B.R
Performed following steps on R:-
### to access to the object
data(InsectSprays)
### create a .csv file
write.csv(InsectSprays, InsectSpraysCopy.csv)
On another terminal
$ sudo updatedb
$ locate InsectSpraysCopy.csv
/home/userA/InsectSpraysCopy.csv
### Read in some data
test01 -
) :
invalid type (NULL) for variable 'test01$DO'
I was stucked here. Pls help. TIA
B.R.
Stephen L
- Original Message
From: Stephen Liu sati...@yahoo.com
To: r-help@r-project.org
Sent: Fri, August 13, 2010 11:34:31 AM
Subject: [R] Learning ANOVA
Hi folks,
File
To: Stephen Liu sati...@yahoo.com
Cc: r-help@r-project.org
Sent: Sat, August 14, 2010 12:15:31 AM
Subject: Re: [R] Learning ANOVA
Performed following steps on R:-
### to access to the object
data(InsectSprays)
### create a .csv file
write.csv(InsectSprays, InsectSpraysCopy.csv
sati...@yahoo.com
Cc: r-help@r-project.org
Sent: Sat, August 14, 2010 12:15:31 AM
Subject: Re: [R] Learning ANOVA
Performed following steps on R:-
### to access to the object
data(InsectSprays)
### create a .csv file
write.csv(InsectSprays, InsectSpraysCopy.csv)
On another
If you're trying to follow the youtube video you have a typing mistake here:
InsectSprays.aov -(test01$count ~ test01$spray)
I think this should be:
InsectSprays.aov -aov(test01$count ~ test01$spray)
youre missing the functioncall aov on the right hand side of the
assignment operator '-'.
- Original Message
From: Liaw, Andy andy_l...@merck.com
To: Stephen Liu sati...@yahoo.com; r-help@r-project.org
Sent: Sat, August 14, 2010 12:48:33 AM
Subject: RE: [R] Learning ANOVA
Note the names of the variables here. They don't match what you tried
to use in your boxplot() call
2:09:48 AM
Subject: Re: [R] Learning ANOVA
If you're trying to follow the youtube video you have a typing mistake here:
InsectSprays.aov -(test01$count ~ test01$spray)
I think this should be:
InsectSprays.aov -aov(test01$count ~ test01$spray)
youre missing the functioncall aov on the right
. Otherwise it won't be easy for a
beginning remembering all commands and steps on manual.
B.R.
Stephen L
- Original Message
From: Christopher W Ryan cr...@binghamton.edu
To: R-help@r-project.org
Sent: Sat, August 14, 2010 1:51:34 AM
Subject: Re: [R] Learning ANOVA
Read
Hi folks,
File to be used is on;
data(InsectSprays)
I can't figure out where to insert it on following command;
test01 - read.csv(fil.choose(), header=TRUE)
Please help. TIA
B.R.
__
R-help@r-project.org mailing list
On Aug 12, 2010, at 11:34 PM, Stephen Liu wrote:
Hi folks,
File to be used is on;
data(InsectSprays)
I can't figure out where to insert it on following command;
test01 - read.csv(fil.choose(), header=TRUE)
Don't think that would work, even if you did spell file.choose()
correctly.
TukeyHSD(dotest01.aov)
Any advice? TIA
B.R.
Stephen L
- Original Message
From: David Winsemius dwinsem...@comcast.net
To: Stephen Liu sati...@yahoo.com
Cc: r-help@r-project.org
Sent: Fri, August 13, 2010 12:19:35 PM
Subject: Re: [R] Learning ANOVA
On Aug 12, 2010, at 11:34 PM
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