Results 91 to 100 of about 4,634,663 (237)
P282 High plasma oncostatin-M predicts non-response to tumour necrosis factor-alpha antagonists in inflammatory bowel disease [PDF]
, 2021 Angela Guo +8 more
openalex +1 more source
P239 Clinical outcomes of syphilis in HIV-negative and HIV-positive MSM: Occurrence of repeat syphilis episodes and non-treponemal serology responses [PDF]
, 2021 R Sprenger +2 more
openalex +1 more source
Addressing the problem of non-response and response bias [PDF]
, 2010 Most of the statistics needed for national planning are derived from large scale sample surveys with households ...
Okafor, Fabian C.
core +1 more source
A comparison of item non response in web and pen-and-paper surveys of sexual behaviour [PDF]
, 2008 Bolding, Graham +3 more
core +2 more sources
MathematicsThere is a difficulty in survey sampling when non-response (NR) occurs in the process of estimating the population parameters. This study examines the effectiveness of combined and separate log-type estimators when using bivariate auxiliary information ...
G. R. V. Triveni +2 more
doaj +1 more source
Taking "Don't Knows" as Valid Responses: A Complete Random Imputation of Missing Data [PDF]
Incomplete data is a common problem of survey research. Recent work on multiple imputation techniques has increased analysts' awareness of the biasing effects of missing data and has also provided a convenient solution.
Martin Kroh
core