Table 19 Memory type stratified and calibrated ratio estimators with their mses.
From: Innovative memory-type calibration estimators for better survey accuracy in stratified sampling
EWMA | ||||
y*=17049.87 | \(\:{\widehat{y}}_{mr}=\)19114.05 | MSE(y*) = 840334.5 | MSE(\(\:{\widehat{y}}_{mr}\)) = 117899.1 | RE = 7.13 |
EEWMA | ||||
y*=16793.8 | \(\:{\widehat{y}}_{mre}=\)18616.87 | MSE(y*) = 815282.3 | MSE(\(\:{\widehat{y}}_{mre}\)) = 112764.8 | RE = 7.23 |
HEWMA | ||||
y*=8751.603 | \(\:{\widehat{y}}_{mrh}=\)7540.786 | MSE(y*) = 221403.8 | MSE(\(\:{\widehat{y}}_{mrh}\)) = 27285.44 | RE = 8.11 |