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PowerSampleSize < Main < Biostatistics TWiki Jan 29, 2009 ... Casagrande JT, Pike MC, Smith PG: "An Improved Approximate Formula for ... This work was supported in part through a grant from Vanderbilt ...
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tx <- ifelse(is.na(dem$trx),as.character(dem$trx.seq), as ... ... + ecg005 + ecg006 + uncorr.qt + ecg008, control=rpart.control(minbucket=25,cp=.002), data=all) plot(r, main = "Distribution of AE COAD") text(r) post(r, ...
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PowerSampleSize < Main < Biostatistics TWiki Jan 29, 2009 ... PS is an interactive program for performing power and sample size .... S-2323 Medical Center North, 1161 21st Avenue South, Nashville, ...
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PowerSampleSize < Main < Biostatistics TWiki Jan 29, 2009 ... PS: Power and Sample Size Calculation .... Patients Needed for a Clinical Trial With Survival as an Endpoint" Biometrics 1982; 38:163-170. ...
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PowerSampleSize < Main < Biostatistics TWiki Jan 29, 2009 ... Dupont WD, Plummer WD: "Power and Sample Size Calculations for Studies Involving Linear Regression", Controlled Clinical Trials 1998; ...
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PowerSampleSize < Main < Biostatistics TWiki Jan 29, 2009 ... The program can generate graphs of sample size versus power for a .... of the analysis of data from retrospective studies of disease. ...
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PowerSampleSize < Main < Biostatistics TWiki Jan 29, 2009 ... PS: Power and Sample Size Calculation ... The program can generate graphs of sample size versus power for a specific alternative hypothesis, ...
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PowerSampleSize < Main < Biostatistics TWiki Jan 29, 2009 ... PS: Power and Sample Size Calculation ... When the case and control sample sizes are unequal, PS uses the generalization of Casagrande’s ...
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Repeated Measures Design File Format: PDF/Adobe Acrobat - View as HTML Common design: Repeated measures designs. • Take measurements on same subject over time or under different conditions. • Same basic idea as a randomized ...
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PowerSampleSize < Main < Biostatistics TWiki Jan 29, 2009 ... The program can generate graphs of sample size versus power for a .... Dupont WD, Plummer WD: "Power and Sample Size Calculations for ...
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