Results 1 to 10 of about 23,618,945 (252)

Two-stage sampling for better survival model performance. [PDF]

open access: yesBMC Med Res Methodol
Background With the emergence of high-dimensional censored survival data in health and medicine, the use of survival models for risk prediction is increasing.
Zhang Y, Muller S.
europepmc   +2 more sources

Screening for Rheumatic Heart Disease among Peruvian Children: A Two-Stage Sampling Observational Study. [PDF]

open access: yesPLoS One, 2015
BackgroundThe objective of the study was to evaluate the implications of different classifications of rheumatic heart disease on estimated prevalence, and to systematically assess the importance of incidental findings from echocardiographic screening ...
Spitzer E   +10 more
europepmc   +2 more sources

Multiscale study of memory type simple ratio estimators in two stage sampling under exponentially weighted moving averages. [PDF]

open access: yesPLoS One
Two-stage cluster sampling is often employed in survey sampling when complete population information is not available. In this setting, the Exponentially Weighted Moving Average (EWMA) statistic offers an efficient way to estimate the population mean by ...
Minhas KS, Semary HE, Jabeen R, Zaka A.
europepmc   +2 more sources

Home - About - Disclaimer - Privacy