Higher-Order Histospline Images

From: "Achieving higher-order convergence rates for density estimation with binned data," Michael C. Minnotte, 1998. Journal of the American Statistical Association, 93, 663-672.

Linear and Cubic Higher-Order Histosplines
with Generating Histogram
Normal Data

Cubic Higher-Order Histospline
LRL Scattering Data

Cubic Higher-Order Histospline
Hidalgo Stamp Thickness Data