cyberneticlibrary

Run statistical simulations and analysis

statistical-computingskillsetup L264
Tibsfox/gsd-skill-creator
What it does

Implement bootstrap, permutation, and Monte Carlo statistical procedures

Best for

Deriving confidence intervals and p-values when analytical formulas are unavailable or standard assumptions violated.

Inputs
  • · raw data
  • · statistic to estimate (mean/median/correlation/etc)
  • · resampling count (B=1000-10000)
Outputs
  • · bootstrap distribution
  • · confidence intervals (percentile/BCa/Studentized)
  • · p-values from permutation tests
Requires
  • · numpy/scipy PRNG
  • · statistical computation libraries
Preconditions

Data should be i.i.d. for nonparametric bootstrap; samples >30 preferred; infinite variance distributions invalid

Failure modes
  • · Extreme quantiles unreliable (tails)
  • · Dependent data without block bootstrap
  • · Very small samples (<10) insufficient resampling
  • · Non-i.i.d. data violates bootstrap assumption
Trust signals
  • · Efron bootstrap lineage cited
  • · BCa bias-corrected intervals documented
  • · Block bootstrap for time series mentioned