Re: [R] alternative to 'groups' for lattice bwplot()

2005-03-23 Thread Sebastian Luque
Mulholland, Tom [EMAIL PROTECTED] wrote:

 I'm afraid you have lost me. What is it that you want that reordering
 the formula does not achieve.

 bwplot(yield ~ year | site, data = barley) has sites next to each other.

Yes, they are next to each other, but in different panels, as expected
when using a formula like that. I should have been more explicit saying
that I want the conditioning variable to show within a panel.


 If the lattice structure is your issue (it appears you wish to remove
 the structure and replace it with a wider space) then I guess you might
 find writing your own code easier than forcing lattice to be something
 other than itself.

I disagree. IMHO, I don't think the sole purpose of lattice is to put
plots in different panels. There are several cases, where (I think)
lattice can mark groups of data in a single panel more efficiently than
other tools. One may or may not need other conditioning variables to show
in different panels.


-- 
Sebastian P. Luque

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Re: [R] alternative to 'groups' for lattice bwplot()

2005-03-23 Thread Deepayan Sarkar
On Wednesday 23 March 2005 00:10, Sebastian Luque wrote:
 Hi,

 Is there some alternative to the 'groups' argument in lattice's
 bwplot function for boxplots? Say in the example below:

 bwplot(yield ~ site | year, data = barley)

 you want to have two side by side boxplots per site, corresponding to
 each year in the barley data frame. Ideally, the space between
 boxplots of the same site should be smaller than that between
 boxplots of different sites.

 This seemed like a job for the 'groups' argument, but panel.bwplot
 doesn't take it. I saw that boxplot() might do this for the
 particular example above, but not for a more complex one with
 additional conditioning variables (as in my actual problem).

I consider bwplot to already provide a grouped display (box plots are 
univariate summaries, and bwplot allows you to display several of them 
together within a panel). What you are looking for may be appropriate 
in certain situations, but is not general enough to warrant a built-in 
implementation. In other words, you'll have to write your own panel 
function.

 I thought I'd find something about this in the archives, but I'm
 either not using the right keywords or the question hasn't come up
 yet.

The only instance I can recall is:

http://tolstoy.newcastle.edu.au/R/help/04/02/0848.html

Deepayan

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[R] alternative to 'groups' for lattice bwplot()

2005-03-22 Thread Sebastian Luque
Hi,

Is there some alternative to the 'groups' argument in lattice's bwplot
function for boxplots? Say in the example below:

bwplot(yield ~ site | year, data = barley)

you want to have two side by side boxplots per site, corresponding to each
year in the barley data frame. Ideally, the space between boxplots of the
same site should be smaller than that between boxplots of different sites.

This seemed like a job for the 'groups' argument, but panel.bwplot doesn't
take it. I saw that boxplot() might do this for the particular example
above, but not for a more complex one with additional conditioning
variables (as in my actual problem).

I thought I'd find something about this in the archives, but I'm either
not using the right keywords or the question hasn't come up yet.

Some help on how to deal with this please?

-- 
Sebastian P. Luque

__
R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
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RE: [R] alternative to 'groups' for lattice bwplot()

2005-03-22 Thread Mulholland, Tom
I'm afraid you have lost me. What is it that you want that reordering the 
formula does not achieve.

bwplot(yield ~ year | site, data = barley) has sites next to each other. If the 
lattice structure is your issue (it appears you wish to remove the structure 
and replace it with a wider space) then I guess you might find writing your own 
code easier than forcing lattice to be something other than itself.

 -Original Message-
 From: Sebastian Luque [mailto:[EMAIL PROTECTED]
 Sent: Wednesday, 23 March 2005 2:11 PM
 To: r-help@stat.math.ethz.ch
 Subject: [R] alternative to 'groups' for lattice bwplot()
 
 
 Hi,
 
 Is there some alternative to the 'groups' argument in lattice's bwplot
 function for boxplots? Say in the example below:
 
 bwplot(yield ~ site | year, data = barley)
 
 you want to have two side by side boxplots per site, 
 corresponding to each
 year in the barley data frame. Ideally, the space between 
 boxplots of the
 same site should be smaller than that between boxplots of 
 different sites.
 
 This seemed like a job for the 'groups' argument, but 
 panel.bwplot doesn't
 take it. I saw that boxplot() might do this for the particular example
 above, but not for a more complex one with additional conditioning
 variables (as in my actual problem).
 
 I thought I'd find something about this in the archives, but 
 I'm either
 not using the right keywords or the question hasn't come up yet.
 
 Some help on how to deal with this please?
 
 -- 
 Sebastian P. Luque
 
 __
 R-help@stat.math.ethz.ch mailing list
 https://stat.ethz.ch/mailman/listinfo/r-help
 PLEASE do read the posting guide! 
 http://www.R-project.org/posting-guide.html


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