correlation_test.md
In nzilbb.vowels: Vowel Covariation Tools

Correlation summary returns expected result

Code
  summary(correlation_test(select(onze_intercepts, -speaker), n = 10))
Output
  Correlation test results.
  Count of significant pairwise correlations in original data at alpha = 0.05: 69
  Mean significant pairwise correlations in permuted data (n = 10) at alpha = 0.05: 9
  Min = 4, Max = 13.

  Top 5 pairwise correlations in original data:
  F1_FLEECE, F1_START: 0.55
  F2_FLEECE, F2_NURSE: -0.53
  F2_START, F2_THOUGHT: -0.51
  F1_GOOSE, F1_START: 0.47
  F1_STRUT, F1_TRAP: -0.47