https://mp.weixin.qq.com/s/2VXprzgJSYJ39AhZ_FprCQ
https://www.jianshu.com/p/b24e5f52a7a7
https://support.bioconductor.org/tag/WGCNA/
offical tutorial
offical FAQ

1. prepare input expression matrix & trait

• a matrix of genes at rows & samples at column
• over 20 samples
• log2(TPM+1) to normalise
• combator sva to remove batch effect
• filter low express genes

2
ALLOW_WGCNA_THREADS=8
allowWGCNAThreads()
recommend setting

networkType =  "signed" # or "signed hybrid"
corType = "bicor"
TOMType = "signed"
maxPOutliers = 0.05 #or 0.10
robustY = FALSE