This is not a question as such but more likely to be verification (enhancement) of my current understanding. With the thought that it may help future visitors as well, I am taking liberty to make this post.

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  • Is the interpretation mentioned in attached image correct ?
  • As per my interpretation, Movie A doesn't seems to have much Action, nor Drama. What does that mean? Is it boring movie or what?
  • I would like to give some intuitive name to PC0 and PC1, what seems to be suitable name for it?

2 Answers 2


In short, Answer to your questions:

  • Yes
  • Movie A is near to center of the plot. Its the most balanced movie from your collection. (Biplot's center reflects the average of PCA scores: neither positive nor negative).
  • PC1 scores are positively correlated with with Romantic/ Comedy and negatively with Action movies. PC0 is mostly negatively correlated with Drama movies.
  • $\begingroup$ Thanks for clarification. It did helped. Would it reasonable to say that PC1 represent "soft" movies, for PC0 - i am not sure about how to name anti-dramatic movies... $\endgroup$ Jul 12, 2018 at 3:31
  • 1
    $\begingroup$ That would be one of the right interpretations for it. $\endgroup$ Jul 31, 2018 at 15:43

Consider a movie that balances action, drama, comedy, and romance.

Where would it likely be in this chart?

  • $\begingroup$ I wish if you can elaborate on this. $\endgroup$ Jul 2, 2018 at 6:24

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