[GitHub] incubator-spark pull request: Principal Component Analysis

[rezazadeh]

Github user rezazadeh commented on the pull request:

    https://github.com/apache/incubator-spark/pull/564#discussion_r9767019
  
    The example matrix that is already in the data directory has a matrix that 
is 1-indexed, I want users to be able to use that. All code is zero-indexed.