نتایج جستجو برای: post stratification
تعداد نتایج: 433670 فیلتر نتایج به سال:
A sample covering 204,394 blocks from the 1990 U.S. Census permits measurement of residual heterogeneity from local area to local area after controlling by stratification for demographic characteristics such as race, ethnicity, age, sex as well as geographic characteristics such as region and place-type. The local areas have populations on the order of 10,000 people. The variables studied are f...
background: the aim of this study was that the past five years data were collected to analyze the situation of malaria and health facilities in this area for better understanding malaria problem and to find solutions. methods: in this retrospective study data of the last 5 years were obtained from health center of bandar abbas, published papers and reports, weather forecasting organization of t...
Summary Post-myocardial infarction ventricular arrhythmia and sudden cardiac death risk remain important issues in these patients. In high-risk post-myocardial infarction (MI) patients prophylactic implantable cardioverter defibrillators (ICD) may significantly improve survival. Risk stratification studies of post-MI patients will allow ICD therapy to be applied in a more cost-effective manner....
Abstract In the November 2016 U.S. presidential election, many state-level public opinion polls, particularly in Upper Midwest, incorrectly predicted winning candidate. One leading explanation for this polling miss is that precipitous decline traditional response rates led to greater reliance on statistical methods adjust corresponding bias—and these failed important interactions between key va...
We propose a nonparametric variance estimator when ranked set sampling (RSS) and judgment post stratification (JPS) are applied by measuring a concomitant variable. Our proposed estimator is obtained by conditioning on observed concomitant values and using nonparametric kernel regression.
Acute Coronary Syndromes ....................................................................... 56 Cancer and Thrombosis ............................................................................ 58 Post-Thrombotic Syndrome ....................................................................... 60 Management and Treatment ..................................................................... ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید