Abdulbasit Al-Talabani

2 Questions 4 Answers 0 Followers

Questions related from Abdulbasit Al-Talabani

Does Random Projection have advantage(s) over PCA?

Both Random Projection and PCA is used to reduce dimension. It is obvious that the computation of PC Projections need more time than generating a Random Projection matrix knowing that RP don't...

06 February 2014 7,742 3 View

How many Principal Components are enough to represent high dimensional data in lower dimension?

PCA is used to reduce dimensionality; the question is how to guess how many components are enough to represent the data? The change of cumulative sum of the Eigen values sorted ascendingly is...

19 January 2014 5,805 18 View