seqCI

Confidence interval with given upper bounds, times of tests, the last Z-value, and confidence level.

group sequential design

This is a core implementation of 'SAS' procedures for linear models - GLM, REG, ANOVA, TTEST, FREQ, and UNIVARIATE. Some R packages provide Type II and Type III SS. However, the results of nested and complex designs are often different from those of 'SAS'. Different results do not necessarily mean incorrectness. However, many want the same results as 'SAS'. This package aims to achieve that.
Reference: Littell RC, Stroup WW, Freund RJ (2002, ISBN:0-471-22174-0).

Kyun-Seop Bae

sasLM

'SAS' Linear Model

seqCI function

<dl> <dt>bi</dt>
<dd>upper bound z-values</dd> <dt>ti</dt>
<dd>times for the tests. These should be in [0, 1].</dd> <dt>Zval</dt>
<dd>the last z-value from the observed data. This is not necessarily the planned final Z-value.</dd> <dt>conf.level</dt>
<dd>confidence level</dd></dl>

Arguments

Author

Confidence interval with the last Z-value for a group sequential design — seqCI

<dl>

 <dt>bi</dt>
<dd>upper bound z-values</dd>

 <dt>ti</dt>
<dd>times for the tests. These should be in [0, 1].</dd>

 <dt>Zval</dt>
<dd>the last z-value from the observed data. This is not necessarily the planned final Z-value.</dd>

 <dt>conf.level</dt>
<dd>confidence level</dd>

</dl>

seqCI: Confidence interval with the last Z-value for a group sequential design

Description

Usage

Value

Arguments

Author

Details

References

Examples