Is there a good and easy way to visualize high dimensional data?

Question

Can someone please tell me if there is a good (easy) way to visualize high dimensional data? My data is currently 21 dimensions but I would like to see how whether it is dense or sparse. Are there techniques to achieve this?

Answer 1

There are many methods to solve this problem. Parallel coordinates are a popular method for visualizing high-dimensional data.

For more details, study Machine Learning Tutorial.

Hope this answer helps you!