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[matrix] Diff of /pkg/TODO
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Diff of /pkg/TODO

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revision 529, Mon Feb 7 10:56:34 2005 UTC revision 538, Thu Feb 10 13:50:27 2005 UTC
# Line 7  Line 7 
7    ?Math.data.frame  and the examples in    ?Math.data.frame  and the examples in
8    ?SetGeneric    ?SetGeneric
9    
10    - methods for rbind and cbind where they make sense
11    
12  - bCrosstab(): do we really want the diagonal "V:V" crosstabs?  - bCrosstab(): do we really want the diagonal "V:V" crosstabs?
13                 (if so or in any case: add to  man/bCrosstab.Rd )                 (if so or in any case: add to  man/bCrosstab.Rd )
14    
 - src/Metis/ : one of the two Makefiles needs fixing, as changing  
              src/Metis/*.c  does not lead to recompilation.  
   --DB - it seems both Makefiles need fixing.  I think I have the  
              src/Metis/Makefile fixed but not src/Makefile  
   
15  - man/Matrix.Rd :  has example with dimnames, but we just drop them!  - man/Matrix.Rd :  has example with dimnames, but we just drop them!
16                  MM thinks dimnames should be supported (but then ...)                  MM thinks dimnames should be supported (but then ...)
17    
18    - consider moving alloc3Darray from ./src/Mutils.c to
19      $(RSRC)/src/base/array.c
20    
21  - data/ : names 'mm' and even more 'y' are  ``too short''.  - data/ : names 'mm' and even more 'y' are  ``too short''.
22          If we really want to keep them, don't use "LazyData"          If we really want to keep them, don't use "LazyData"
23          (such that one needs  data(*) explicitly);          (such that one needs  data(*) explicitly);
24          But MM would rather want something like  ex.mm and ex.y          But MM would rather want something like  ex.mm and ex.y
25    
 - spelling style: Should "coersion" be "coercion" ?  
   
26  - "factors" maybe should move up to "Matrix"  - "factors" maybe should move up to "Matrix"
27    
28  -------  -------
# Line 44  Line 42 
42    
43    {Of course, we don't need a workaround but must understand    {Of course, we don't need a workaround but must understand
44     and solve the problem}     and solve the problem}
45    
46    ---
47    
48    - implement (more) methods for supporting "packed" (symmetric / triangular)
49      matrices; particularly something like pack() and unpack().
50    
51    - implement diagonal Matrix class  "ddiMatrix" etc
52      using constructor function Diagonal() or Diag().

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