This data file has 38,311 lines. Each line contains 3812 entries. The first 3811 entries on each line correspond to the coordinates of a random vector, whose components are independent and uniformly distributed in [-1,1]. The last entry on each line is the quantity of interest (QoI), namely the ignition delay time (s). The simulations are described in S.M. Almohammadi, O.P. Le Maitre, O.M. Knio (2020) "Computational Challenges in Sampling and Representation of Uncertain Kinetic...