[R] Knowledge discovery

[abanero]

Hi,

I have 100000 units with 10 attributes (attr1, attr2, attr3, etc...) 

For instance:

unit  attr1  attr2  attr3  ...

1      a       ww     12
2      a       re       11
3      b       ww     09
4      c       yt       02
5      a       qw      02
... 

I'd like to answer to the question: 

a) what are the most frequent combinations of attributes? 
b) How could I describe the relations among the attributes? 
c) What are the most significative values for each attribute and how they
are in relationship with the value of  others attributes?

Do you suggest any specific method in order to answer to these questions?

Thanks  


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