connect method for report_mig_mult
this method loads data from the database for report_mig but also fills the table of conversion coefficient, if the taxa is eel. It also calls connect method for report_df-class, report_dc-class and report_ope-class associated with the report and used by the fungraph and fungraph_glasseel functions.
# S4 method for report_mig_mult connect(object, silent = FALSE)
An object of class report_mig_mult-class
Boolean, if TRUE messages are not displayed
An object of class report_mig_mult-class with slot @data filled from the database