Re: matrix of lists with graphics

[David L Lorenz <lorenz@usgs.gov>]

Xao Ping,
  1. Yes, by objects, the output
from the by function, can act like arrays. I have used them in several
applications and they are quite efficient.
  2. The output from treillis graphics
functions can be manipulated. So, you could construct a list with numeric
components and graphical components. The graphical component would be plotted
automatically when printed.
Dave

Xao Ping <xao_ping@yahoo.com> Sent by: s-news-owner@lists.biostat.wustl.edu 04/14/2005 11:58 AM

To:        s-plus user list <s-news@lists.biostat.wustl.edu>         cc:                 Subject:        [S] matrix of lists with graphics

Dear All:
 
I am performing a lengthy cyclic computation with a set
of input parameters which are naturally organized in P by Q tables. Figuratively
speaking, in each cell of this table, I have a separate set of input parameters.
The output of this computation is also can be viewed as a P by Q table-like
structure, where each cell contains a certain list of results and graphics.

 
I have two comparatively independent questions:
 
1. Is that possible in S-PLUS to create something like
a matrix of lists, i.e., to have a table-like structure with the entries
labeled by indexes?
 
2. Is that possible to create an object which contains
graphical outputs along with numerical data? (I emphasize the word "objects"
as opposed to "files")
 
Thank you in advance
 
Xao Ping
 
R&R Pharmakinetics
Taiwan

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