Datasets

Here are a number of datasets for regression analysis, CVT basis calculations, K-means analysis, and so on.

The dataset directories include:

1. burgers, a dataset directory which contains 40 solutions of the Burgers equation at equally spaced times from 0 to 1, with values at 41 equally spaced nodes in [0,1];
2. case1_flow, a dataset directory which 401 solutions of a flow problem in a channel;
3. cavity_flow, a dataset directory which contains 500 time steps of Navier-Stokes flow in a driven cavity;
4. census, a dataset directory which contains US census data;
5. cities, a dataset directory which contains sets of information about cities and the distances between them;
6. cvt, a dataset directory which contains examples of Centroidal Voronoi Tessellations;
7. cvt_mod, a dataset directory which contains examples of Centroidal Voronoi Tessellations on a "logical torus" or "wrap around" unit hypercube;
8. faure, a dataset directory which contains examples of the Faure quasirandom sequence;
9. grid, a dataset directory which contains examples of sets of points on a uniform grid, with random holes;
10. halton, a dataset directory which contains examples of the Halton quasirandom sequence;
11. hammersley, a dataset directory which contains examples of the Hammersley quasirandom sequence;
12. hartigan, a dataset directory which contains datasets for testing clustering algorithms;
13. hbsmc, a dataset directory which contains the Harwell Boeing Sparse Matrix Collection;
14. hex_grid, a dataset directory which contains datasets of points forming hex grids, either in squares or more general 2D regions;
15. ihs, a dataset directory which contains examples of the Improved Distributed Hypercube Sampling quasirandom sequence;
16. inout_flow, a dataset directory which contains 500 time steps of Navier-Stokes flow in a region with specified inflow and outflow;
17. inout_flow2, a dataset directory which contains 800 time steps of Navier-Stokes flow in a region with specified inflow and outflow;
18. latin_center, a dataset directory which contains examples of the Latin Center Square quasirandom sequence;
19. latin_edge, a dataset directory which contains examples of the Latin Edge Square quasirandom sequence;
20. latin_random, a dataset directory which contains examples of the Latin Random Square quasirandom sequence;
21. lcvt, a dataset directory which contains examples of "Latinized" Centroidal Voronoi Tessellations;
22. lcvt_mod, a dataset directory which contains examples of "Latinized" Centroidal Voronoi Tessellations on a logical torus;
23. lhs, a dataset directory which contains datasets related to Latin Hypercube Sampling;
24. martinez, a dataset directory which contains datasets for computational statistics;
25. mds, a dataset directory which contains datasets for multidimensional scaling;
26. mhd_control, a dataset directory which contains datasets from the control of a magnetic hydrodynamic 2D flow;
27. mps, a dataset directory which contains linear programming datasets;
28. mpsc, a dataset directory which contains linear programming datasets in compressed format;
29. niederreiter2, a dataset directory which contains examples of the Niederreiter quasirandom sequence using a base of 2;
30. oa, a dataset directory which contains samples of orthogonal arrays, as computed by Art Owen;
31. pcl, a dataset directory which contains datasets from a gene expression experiment on Arabidopsis;
32. quadrature_rules, a dataset directory which contains quadrature rules for 1D intervals, 2D rectangles or multidimensional rectangular regions, stored as a file of abscissas, a file of weights, and a file of region limits.
33. quadrature_rules_chebyshev1, a dataset directory which contains quadrature rules for integration on [-1,+1], using a Gauss-Chebyshev type 1 rule.
34. quadrature_rules_chebyshev2, a dataset directory which contains quadrature rules for integration on [-1,+1], using a Gauss-Chebyshev type 2 rule.
35. quadrature_rules_gegenbauer, a dataset directory which contains quadrature rules for integration on [-1,+1], using a Gauss-Gegenbauer rule.
36. quadrature_rules_gen_hermite, a dataset directory which contains quadrature rules for integration on an infinite interval, using a generalized Gauss-Hermite rule.
37. quadrature_rules_gen_laguerre, a dataset directory which contains quadrature rules for integration on a semi-infinite interval, using a generalized Gauss-Laguerre rule.
38. quadrature_rules_halton, a dataset directory which contains quadrature rules for multidimensional unit cubes, based on a Halton quasirandom sequence. stored as a file of abscissas, a file of weights, and a file of region limits.
39. quadrature_rules_hermite, a dataset directory which contains Gauss-Hermite quadrature rules, for integration on the interval (-oo,+oo), with weight function exp(-x*x).
40. quadrature_rules_jacobi, a dataset directory which contains Gauss-Jacobi quadrature rules for the interval [-1,+1] with weight function (1-x)^ALPHA * (1+x)^BETA.
41. quadrature_rules_laguerre, a dataset directory which contains Gauss-Laguerre quadrature rules for integration on the interval [A,+oo), with weight function exp(-x).
42. quadrature_rules_latin_center, a dataset directory which contains quadrature rules for multidimensional unit cubes, based on centered Latin hypercubes. stored as a file of abscissas, a file of weights, and a file of region limits.
43. quadrature_rules_legendre, a dataset directory which contains Gauss-Legendre quadrature rules for the interval [-1,+1].
44. quadrature_rules_tet, a dataset directory which contains quadrature rules for tetrahedrons, stored as a file of abscissas, a file of weights, and a file of vertices.
45. quadrature_rules_tri, a dataset directory which contains quadrature rules for triangles, stored as a file of abscissas, a file of weights, and a file of vertices.
46. quadrature_rules_uniform, a dataset directory which contains quadrature rules for multidimensional unit cubes, based on a uniform pseudorandom sequence. stored as a file of abscissas, a file of weights, and a file of region limits.
47. regression, a dataset directory which contains datasets for testing linear regression;
48. romero, a dataset directory which contains datasets of Latin Square points used as starting points for CVT calculations;
49. sample_2d, a dataset directory which contains datasets of points that "sample" the unit square;
50. sgb, a dataset directory which contains files used as input data for demonstrations and tests of Donald Knuth's Stanford Graph Base.
51. sobol, a dataset directory which contains samples of the Sobol quasirandom sequence;
52. spaeth, a dataset directory which contains datasets for cluster analysis;
53. spaeth2, a dataset directory which contains datasets for cluster analysis;
54. sparse_grid_cc, a dataset directory which contains multidimensional Smolyak sparse grids based on the 1D Clenshaw Curtis rule;
55. sparse_grid_f2, a dataset directory which contains multidimensional Smolyak sparse grids based on the 1D Fejer type 2 rule;
56. sparse_grid_gl, a dataset directory which contains multidimensional Smolyak sparse grids based on the 1D Gauss-Legendre rule;
57. sparse_grid_gp, a dataset directory which contains multidimensional Smolyak sparse grids based on the 1D Gauss-Patterson rule;
58. sparse_grid_hermite, a dataset directory which contains multidimensional Smolyak sparse grids based on the 1D Gauss-Hermite rule;
59. sparse_grid_laguerre, a dataset directory which contains multidimensional Smolyak sparse grids based on the 1D Gauss-Laguerre rule;
60. sparse_grid_mixed, a dataset directory which contains multidimensional Smolyak sparse grids based on a mixture of 1D rules.
61. sparse_grid_ncc, a dataset directory which contains multidimensional Smolyak sparse grids based on the 1D Newton Cotes Closed rule;
62. sparse_grid_nco, a dataset directory which contains multidimensional Smolyak sparse grids based on the 1D Newton Cotes Open rule;
63. sphere_grid, a dataset directory which contains grids of points, lines, triangles or quadrilaterals on a sphere;
64. tcell_flow, a dataset directory which contains 500 time steps of Navier-Stokes flow in a T-cell;
65. test_con, a dataset directory which contains sequences of points that lie on multidimensional curves defined by sets of nonlinear equations;
66. text, a dataset directory which contains actual "texts", such as the Gettysburg Address;
67. uniform, a dataset directory which contains examples of a uniform pseudorandom sequence;
68. van_der_corput, a dataset directory which contains examples of the one-dimensional van der Corput, for various bases;
69. words, a dataset directory which contains lists of words;

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