by Connor, Harry, and Jake
I ran the stream with the following parameters:
N = 10,000 (number of points)
n = 50 (number of landmark points)
maxDistance = 0.1
k | average num_simpleces |
---|---|
1 | ~450 |
2 | ~1,700 |
3 | ~9,500 |
4 | ~ 85,000 |
I ran the algorithm on each dimension 3 times and got the Betti profile correct every time.
For k=5, I had to reduce N to 5,000 for computational efficiency. Even with that reduction, there were on average 250,000 simpleces. I correctly recovered the betti profile each time.
For k=6, I had to reduce N to 1,000 for the program to run (resulting in on average 250,000) simpleces. I could not recover the Betti profile, instead having plots like this:
We found
Thus the biggest boundary seems to be just in computational power. If I had more processing power, I could use more than 1,000 points in 6 dimensions, and accurately recover the profile.