2 Arm Design In a 2 arm design there are two treatment groups. This could be two different treatments or it could be one treatment and a control group. Each arm ...
3 Arm Design In a 3 arm design there are three treatment groups. This could be three different treatments or it could be two different treatments and a control gr...
Adverse Event Analysis Dataset (ADAE) ADAE Data Set The ADAE dataset contains 1191 rows and 55 columns. ADAE Data Definition File Variable Label Type Co...
Chemistry Lab Analysis Data Set (ADLBC) ADLBC Data Set The ADLBC dataset contains 21,792 rows and 58 columns. Note that this data set is a condensed version of ...
Analysis of Variance Lead Author(s): Main.NancyHills The term analysis of variance (ANOVA) describes a group of inferential statistical tests that were developed...
Atherosclerosis Risk in Communities Study (ARIC) The Atherosclerosis Risk in Communities Study (ARIC), sponsored by the National Heart, Lung and Blood Institute (...
Main.YinglinXia 10 Jun 2010 * AUCGEE.sas: Area under curve macro for GEE models * aucgee.sas7bdat: The data set used in the Example using macro AUCGEE * ...
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Adaptive Design Discussions Links to References in Adaptive Clinical Trial Design Meeting Minutes April 18, 2011 Meeting What do we know? Jim spoke about n...
Additional Descriptors for Interventional Studies N of 1Crossover Parallel GroupSingle Group, etc. Statistical intent (superiority, non inferiority, equivalenc...
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What happens to your grant application after it is submitted to NIH? What happens to your grant application after it is submitted to NIH? * All grant applic...
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Analysis of Variance Lead Author(s): Main.NancyHills The term analysis of variance (ANOVA) describes a group of inferential statistical tests that were developed...
Analysis and Reporting in Reproducible Research Return to Reproducible Research Methodology Document Processing * http://en.wikipedia.org/wiki/LaTeX LaTeX ...
Only certain software applications are capable of estimating parameters with weights or with certain models. It is important to consider if the software currently...
Archive CTSpedia Materials Return to CTSpedia Web Home Iris' Corner ONLINE JOURNAL CLUB Success Stories/ BERD Watch DiscussionForum Collaborations: Adapti...
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Ascertainment Bias In scientific research, ascertainment bias occurs when false results are produced by non random sampling and conclusions made about an entire ...
The associated handbook has a wealth of information that includes the purpose of the study, the design of the study, who is included in the study, types of variab...
Assumptions: Cumulative Incidence and Incidence Rate Lead Author(s): Jeff Martin, MD Assumption No Temporal/Secural Trends Calculating cumulative incidence with...
Attachments and Linking Return to Help As you have encountered throughout CTSpedia, we use attachments and links frequently in our work.In most instructional mate...
Baseline Data Lead Author(s): Information gathered at the beginning of a study from which variations found in the study are measured. A person's health status bef...
Return to the Safety Graphics Home Page Histograms ( Last updated by Richard Forshee on September 17, 2010) #ReturnTop Basic Histogram Examples Type of data...
Bernoulli distribution In probability theory and statistics, the Bernoulli distribution, named after Swiss scientist Jakob Bernoulli, is a discrete probability di...