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

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revision 530, Mon Feb 7 10:58:27 2005 UTC revision 542, Thu Feb 10 17:30:10 2005 UTC
# Line 3  Line 3 
3    
4  - [,] indexing  - [,] indexing
5    
6  - group generics: "Arith", but also "Ops" and "Math";  see  - group generics: "Arith" (partly done),
7    ?Math.data.frame  and the examples in    but also "Compare", "Math" etc;
8    ?SetGeneric    see ?Math  and the examples in ?SetGeneric
   
 - bCrosstab(): do we really want the diagonal "V:V" crosstabs?  
                (if so or in any case: add to  man/bCrosstab.Rd )  
   
 - 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  
9    
10  - man/Matrix.Rd :  has example with dimnames, but we just drop them!  - methods for rbind and cbind where they make sense
11                  MM thinks dimnames should be supported (but then ...)  
12    - consider moving alloc3Darray from ./src/Mutils.c to
13      $(RSRC)/src/base/array.c
14    
15  - data/ : names 'mm' and even more 'y' are  ``too short''.  - data/ : names 'mm' and even more 'y' are  ``too short''.
16          If we really want to keep them, don't use "LazyData"          If we really want to keep them, don't use "LazyData"
# Line 42  Line 36 
36    
37    {Of course, we don't need a workaround but must understand    {Of course, we don't need a workaround but must understand
38     and solve the problem}     and solve the problem}
39    
40    ---
41    
42    - implement (more) methods for supporting "packed" (symmetric / triangular)
43      matrices; particularly something like pack() and unpack().
44    
45    - implement diagonal Matrix class  "ddiMatrix" etc
46      using constructor function Diagonal() or Diag().

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