Analysis of simulation workflows

[olivierlabayle]

This is likely to be part of the pipeline.

• [x] True Effects

  • [x] Implement
  • [x] Better testing

• [x] Analysis of DR estimators

  • [x] QQ plot ?
  • [x] coverage/bias/variance/ci_width

• [x] Analysis od Density Estimates

  • [x] See what they do elsewhere, the problem is it's all relative to the dataset
  • [x] Logloss ?
  • [ ] Sample quality ?