silo_name,treat,common_treatment_time,start_time,end_time,diff_estimate,diff_var,diff_estimate_covariates,diff_var_covariates,covariates,date_format,freq
73,0,1991,1989,2000,NA,NA,NA,NA,none,yyyy,4 years
46,0,1991,1989,2000,NA,NA,NA,NA,none,yyyy,4 years
71,1,1991,1989,2000,NA,NA,NA,NA,none,yyyy,4 years
58,1,1991,1989,2000,NA,NA,NA,NA,none,yyyy,4 years
