expression.txt is expression profiles from proteins or mRNAs

trait.txt is trait matrix，but is also a optional file. If there is no trait data, you can use group data instead. First column is sample id, second column is sample group id.

  S-control-1	S-control
  S-control-2	S-control
  S-control-3	S-control
  S-NHPS-L-1	S-NHPS-L
  S-NHPS-L-2	S-NHPS-L
  S-NHPS-L-3	S-NHPS-L
  S-NHPS-H-1	S-NHPS-H
  S-NHPS-H-2	S-NHPS-H
  S-NHPS-H-3	S-NHPS-H
  F-control-1	F-control
  F-control-2	F-control
  F-control-3	F-control
  F-NHPS-L-1	F-NHPS-L
  F-NHPS-L-2	F-NHPS-L
  F-NHPS-L-3	F-NHPS-L
  F-NHPS-H-1	F-NHPS-H
  F-NHPS-H-2	F-NHPS-H
  F-NHPS-H-3	F-NHPS-H

All result files and photos from wgcna analysis in Demo

The default values of WGCNA networkType/TOMtype is unsigned

If trait_form is equal to 1, you shoud have trait matrix, otherwise group data instead