alphaspendf

The default alpha spending function

S4 class object for creating and managing group sequential designs. It calculates the efficacy and futility boundaries at each look. It allows modifying the design and tracking the design update history.

Hui Zheng

seqmon

Group Sequential Design Class for Clinical Trials

alphaspendf function

<dl> <dt>t</dt>
<dd>The normalized look times</dd></dl>

Arguments

The default alpha spending function
 — alphaspendf

<dl>

 <dt>t</dt>
<dd>The normalized look times</dd>

</dl>

alphaspendf: The default alpha spending function

Description

Usage

Value

Arguments

Examples