Books about US politics, compiled by V. Krebs
Name polbooks
Group Newman
Matrix ID 2403
Num Rows 105
Num Cols 105
Nonzeros 882
Pattern Entries 882
Kind Undirected Graph
Symmetric Yes
Date 2001
Author V. Krebs
Editor M. Newman
Structural Rank
Structural Rank Full
Num Dmperm Blocks
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type binary
SVD Statistics
Matrix Norm 1.193263e+01
Minimum Singular Value 1.656759e-02
Condition Number 7.202397e+02
Rank 105
Null Space Dimension 0
Full Numerical Rank? yes
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Network collection from M. Newman                                                              
Books about US politics                                                   
Compiled by Valdis Krebs                                                  
Nodes represent books about US politics sold by the online bookseller  Edges represent frequent co-purchasing of books by the same  
buyers, as indicated by the "customers who bought this book also bought   
these other books" feature on Amazon.                                     
Nodes have been given values "l", "n", or "c" to indicate whether they are
"liberal", "neutral", or "conservative".  These alignments were assigned  
separately by Mark Newman based on a reading of the descriptions and      
reviews of the books posted on Amazon.                                    
These data should be cited as V. Krebs, unpublished,