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. Author manuscript; available in PMC: 2021 Apr 7.
Published in final edited form as: Stat Anal Data Min. 2021 Feb 5;14(2):144–167. doi: 10.1002/sam.11498

TABLE 1.

V-shaped cluster simulation

Variable Simulated by
X1 (signal variable) ~Uniform(0, 1)
X2 (signal variable) First 250, = X1 + Normal(0, 0.2)
Last 250, = −X1 + Normal(0, 0.2)
X3, …, X10 (noise variables) ~Uniform(0, 1)