[mlpack-svn] [MLPACK] #327: PCA Module Improvement

[MLPACK Trac]

#327: PCA Module Improvement
----------------------------+-----------------------------------------------
  Reporter:  siddharth.950  |        Owner:  birm    
      Type:  enhancement    |       Status:  accepted
  Priority:  major          |    Milestone:          
 Component:  mlpack         |   Resolution:          
  Keywords:                 |     Blocking:          
Blocked By:                 |  
----------------------------+-----------------------------------------------
Changes (by birm):

  * type:  defect => enhancement


Comment:

 Input Matrix:
    1.0000   00000   1.0000
    00000   1.0000   00000
    1.0000   00000   1.0000

 Alg's output:
    0.5774   0.5774   0.5774
    0.5774   0.5774   0.5774
    0.5774   0.5774   0.5774

 MLPACK output
    5.7735e-01   1.1547e+00   5.7735e-01
    1.5613e-16   1.5266e-16   1.5613e-16
    1.1102e-16   1.1102e-16   1.1102e-16

 To see if this changed anything, I tried not centering the input to the
 algorithm.
 It gave this as the result:

    0.5774   0.5774   0.5774
    00000   1.0000   00000
    0.7071   00000   0.7071

 I'm not sure what to do with this output, though. Does either seem right?

-- 
Ticket URL: <http://trac.research.cc.gatech.edu/fastlab/ticket/327#comment:9>
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MLPACK is an intuitive, fast, and scalable C++ machine learning library developed at Georgia Tech.