50 Recent Changes in CTSpedia Web retrieved at 14:35 (Local)
Qualitative : 2 Arm : Single Measurement : Formula The sample size formula for a binary response variable that is measured once using a two arm design is provided ...
Qualitative : Two Arm : Single Meas. : Calculator There are several sample size calculators available on the web. The following is one such calculator: http://statpages ...
Statistics for nop CTSpedia Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save ...
MaryBanach: ChangesNewStructure! FrankHarrell: ChangesNewStructure! JeffreyHorner: ChangesNewStructure! SallyThurston: ChangesNewStructure! LaBeckett ...
Changes to New Structure Click here to see all recent changes. List of all recent changes on the New Structure web. See below for priorities for that date. If the ...
SallyThurston 12 Mar 2010 summarize.R: summarize.R summarize.example.R: summarize.example.R
R/S PLUS Packages/Scripts/Functions 1 muStat package for multivariate ordinal data (download from CRAN, CSAN, discuss) Knut M. Wittkowski, The Rockefeller University ...
YinglinXia 08 Mar 2010 LSMPlotGEE.sas: Least squares mean plot for GEE models ExampleRun.sas: An example for using LSMPlotGEE macro lsmplotgee.sas7bdat ...
YinglinXia 08 Mar 2010 LSMPlotMIXED.sas: Least squares mean plot for MIXED models ExampleRun.sas: An example for using LSMPlotMIXED macro lsmplot.sas7bdat ...
Estimation versus Hypothesis Testing Lead Author(s): George Howard, DrPH Inference ESTIMATION Statistics in Estimation Repeated Estimates Uncertainty in Estimation ...
Browse Research Topics A B C D E F G H I J K L M N O P Q R S T U V WXYZ # Expand all Collapse all A The A List of Potential Confounders Additive Interaction Additive ...
Articles Contents Biostatistics Common Biostatistical Problems P value Fallacy: Peter Bacchetti lecture Interpreting Results: How to phrase conclusions ...
Quantitative: 2 Arm: Independent Samples Another important factor for determining sample size is the number of times Jill plans on measuring the size of the tumor ...
Cross Sectional Study Lead Author(s): Jeff Martin, MD Definition of a Cross Sectional Study A cross sectional study can be described as a sample of a population ...
Statistical Packages (Software) A quick list of statistical packages used for analyses. Software Features/Functions G Power Win/Mac PC Size ...
SAS Macros These are components that can be used within your own SAS programs. Headings at the top of each file describe how to call or use them, and examples are ...
Survival Time : 2 Arm : Checklist The following is a checklist that may be helpful to take with you when you consult with a statistician. This provides some information ...
Survival Time : 2 Arm : Nonparametric Form The sample size formula for a survival time response variable that is measured once, using a 2 arm design is provided below ...
Survival Time : 2 Arm : Parametric Form The sample size formula for a survival time response variable that is measured once, using a 2 arm design is provided below ...
Quantitative : 2 Arm : Ind. Samples : Single Measurement Let's summarize what we know so far. Jill is taking independent random samples from her target population ...
Qualitative : 2 Arm : Single Measurement Let's summarize what we know so far. Jill is taking random samples from her target population of mice. Then she is measuring ...
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 of ...
Survival Time : Factorial Jill wants to test the efficacy of two treatments taken separately and also taken together. She will need to use a factorial design. So ...
Survival Time : 2 Arm Jill wants to test the efficacy of a treatment versus a control. Thus she wants to use a 2 arm design. So far, we know that Jill is going to ...
Survival Time : 3 Arm Jill wants to test the efficacy of two different treatments versus a control. Thus she wants to use a 3 arm design. So far, we know that Jill ...
Qualitative In Jill's study, she is interested in testing the efficacy of a preventive treatment. Thus her response variable is whether or not the mouse gets the ...
Repeated Measures Jill is interested in the growth rate of the tumors. Thus she is planning to measure the tumor size of each mouse several times over the course ...
The following is a checklist that may be helpful to take with you when you consult with a statistician. This provides some information that is important to know before ...
The following is a checklist that may be helpful to take with you when you consult with a statistician. This provides some information that is important to know before ...
Paired Samples Jill is planning to take pairs of mice from several litters. One of the mice will receive the treatment while the other mouse will receive the placebo ...
Sample Size Formula The sample size formula for a quantitative response variable that is measured once, using a 2 arm paired design is provided below. The analysis ...
Repeated Measures Jill is interested in the growth rate of the tumors. Thus she is planning to measure the tumor size of each mouse several times over the course ...
Quant. : Two Arm : Ind. Samples : Single Measurement : Checklist The following is a checklist that may be helpful to take with you when you consult with a statistician ...
Quantitative : Two Arm : Ind. Samples : Single Meas.: Calculator There are several sample size calculators available on the web. The following is one such calculator ...
Quantitative : 2 Arm : Ind. Samples : Single Measurement : Formula The sample size formula for a quantitative response variable that is measured once, using a 2 arm ...
Paired Samples Two samples are said to be paired when each data point of the first sample is matched and is related to a unique data point of the second sample. For ...
Independent Samples Two samples are said to be independent when the data points in one sample are unrelated to the data points in the second sample. For example suppose ...
Getting Started with CTSpedia Here's a quick reference on getting started with CTSpedia. Feel free to ask questions and add your own tips. See Also Welcome ...
How many mice do I need? Lead Author: Erin Esp This page is currently under maintenance and is not operational. Jill is a researcher in comparative pathology. She ...
Interaction An interaction between two treatments occurs when the effect of one treatment changes in the presence of another treatment.
Biostatistical Methods for Clinical Research We wish to thank David Glidden, from the University of California, San Francisco, Course Director for Training in Clinical ...
Geocoding: What is it and why is it necessary? This article is derived from materials created by Dr. David Rehkopf. Geocoding involves assigning an exact location ...
Computer Assisted Interviewing Software Lead Editor(s) : NicolasSheon ACASI (Audio Computer Assisted Self Interview) : Respondents complete an interview (or a ...
What is the Relational Database Model? Lead Author(s) :Mike Kohn, MD (video tape of lectures coming soon) PowerPoint Slides Discussing the Following Items ...
CTSpedia : The Knowledge Base for Clinical and Translational Research CTSpedia is a pilot project initiated in 2007 by the CTSA funded Biostatistics Research Ethics ...
Single Measurement Let's summarize what we know so far. Jill is taking independent random samples from her target population of mice. Then she is measuring the tumor ...
Number of topics: 50
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RSS feed, recent changes with 50, 100, 200, 500, 1000 topics, all changes Topic revision: r5 - 28 Feb 2010 - 17:57:33 - MaryBanach
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