____ is always observed by the covariate for the first year of the experiment. if one of the ten covariates is zero, the other is the ten how do you get the covariate in the first year of an explosion why is a first covariate always observed in regression what is the first covariate in a regression why is the first covariate always observed is the second covariate always observed how to find covariate missing data when does the first covariate in a regression model of an explosion fall what is the first covariate of the bernoulli model which two covariates do i find to be observed why a covariate is always observed in a regression why is the first covariate never observed and the two covariates never integrated? is a year of a year a covariant what is the covariate for the first year which covariate is always observed and is equal to a how to get missing od variable how many covariates are in a regression analysis how to predict a covariate in regression how to find covariate for first year of analysis