Calculate z bounds

Calculate z bounds

Usage

calculate_z_bounds(
  info_levels = c(100, 200, 300, 400, 500)/4,
  alpha = 0.025,
  sfu = gsDesign::sfLDOF,
  sfupar = NULL,
  planned_max_info = 500/4
)

Arguments

info_levels

Information levels for analyses

alpha

Type I error rate

sfu

Spending function

sfupar

Spending function parameters

planned_max_info

Planned maximum information