parameters: 405   J = 0.203955   ||grad J|| = 0.06345

[no baseline]
  q per group (E[q] = 1 if unbiased): [0.95 0.64 0.37 0.9  1.43 0.97 0.91 3.27]   mean q = 1.18
  relative error of the pooled mean  : 0.0091
  per-batch gradient variance (sum over parameters): 0.000102

[leave-one-out]
  q per group (E[q] = 1 if unbiased): [1.08 1.73 1.78 0.85 1.11 0.57 1.3  1.15]   mean q = 1.20
  relative error of the pooled mean  : 0.0098
  per-batch gradient variance (sum over parameters): 0.000055

variance ratio (no baseline / leave-one-out): 1.85
