• Interactive Poisson Blending on GPU
    Interactive Poisson Blending on GPU
  • 404 Not Found In Two Triangles
    404 Not Found In Two Triangles
  • Simplest and Fastest GLSL Edge Detection using Fwidth
    Simplest and Fastest GLSL Edge Detection using Fwidth

Daily archives: October 22nd, 2016

Fisher-Yates Shuffle

The correct way to do a shuffle is to choose a random other index to fill in the current index, which is uniform:

  Also, you may need a uniform random generator in C++:

 


Protected: Optimization Using Sum-to-Product Identities

There is no excerpt because this is a protected post.


Likert Scale and Paired T-Test Are Not Good Friends

Non-parametric Tests Unfortunately, it’s the first time that I learnt that Likert scale cannot be used together with t-test. According to my favorite Stat Wiki by Prof. Koji Yatani,  Roughly speaking, there are two cases in which you want to use non-parametric test: Ordinal data: If your data are ordinal (like the results from Likert-scale…