1. Codes are packaged as recor_1.0.2.tar.gz which can be installed locally with the following statment in R environment:
install.packages(pkg = 'recor_1.0.2.tar.gz',
                 repos = NULL,
                 type = 'source')

2. Make sure the following dependent packages have been installed in advance
- conflicted
- coop
- data.table
- DescTools
- doSNOW
- entropy
- foreach
- ggsci
- gplots
- gridExtra
- gsl
- Hmisc
- iterpc
- magrittr
- minerva
- pracma
- tidyverse
- stringr 