Pier Francesco Perri
Author's books
Editorial of the special issue on survey and data science
newdigital
format:
Article
| STATISTICA & APPLICAZIONI - 2019 - 2
Article
| STATISTICA & APPLICAZIONI - 2019 - 2
Year:
2019
Alcune considerazioni sull’efficienza degli stimatori rapporto-cum-prodotto
digital
format:
Article
| STATISTICA & APPLICAZIONI - 2004 - 2
Article
| STATISTICA & APPLICAZIONI - 2004 - 2
Year:
2004
In order to estimate the unknown mean of a study variable using two auxiliary variables, the efficiency of a modified version of the ratio-cum-product estimators is analysed when the sampling fraction is less then 0.5.
