Initializes the authorization credentials for the 'Kairos' Face Recognition API.
Needs to be called before using any other functions of facerec and requires kairos_id and kairos_key as environment variables.
facerec_init()
nothing.
# NOT RUN { Sys.setenv(kairos_id = "Your Kairos API id") Sys.setenv(kairos_key = "Your Kairos API key") facerec_init() # }