Dataset used in the tabular data benchmark https://github.com/LeoGrin/tabular-benchmark, transformed in the same way. This dataset belongs to the "classification on numerical features" benchmark. Original description:
This classic dataset contains the prices and other attributes of almost 54,000 diamonds. It's a great dataset for beginners learning to work with data analysis and visualization.
Content
price price in US dollars (\$326--\$18,823)
carat weight of the diamond (0.2--5.01)
cut quality of the cut (Fair, Good, Very Good, Premium, Ideal)
color diamond colour, from J (worst) to D (best)
clarity a measurement of how clear the diamond is (I1 (worst), SI2, SI1, VS2, VS1, VVS2, VVS1, IF (best))
x length in mm (0--10.74)
y width in mm (0--58.9)
z depth in mm (0--31.8)
depth total depth percentage = z / mean(x, y) = 2 * z / (x + y) (43--79)
table width of top of diamond relative to widest point (43--95)