Robust variance estimation
Internal function for robust estimation of variance
Usage
robust_var(x_pop, x_utv, ei, hi, method = "rate")
Arguments
- x_pop
Total sum of x variable in the population
- x_utv
Total sum of x variable in the sample
- ei
Residuals
- hi
Hat values
- method
Method to use in calculation. Default set to 'rate'
Value
Robust variance estimates