Estimation of phi_hat and lambda_hat for ZIP model
This function gives the estimation of 2 parameters phi and lambda for each subject under the null hypothesis.
phi_lambda_hat(simud)a list of 2 estimations of parameters for each subject
a data frame containing a phenotype named y and covariates
This function first fits zero‐inflated Poisson regression of phenotype y on the covariates only to obtain the estimates of regression coefficients and then compute the estimations of phi and lambda.
zeroinfl