tidy.step {tern}

Custom tidy method for STEP results

Description

Tidy the STEP results into a tibble format ready for plotting.

Usage

## S3 method for class 'step'
tidy(x, ...)

Arguments

x

(matrix)
results from fit_survival_step().

...

not used.

Value

A tibble with one row per STEP subgroup. The estimates and CIs are on the HR or OR scale, respectively. Additional attributes carry metadata also used for plotting.

See Also

g_step() which consumes the result from this function.

Examples

library(survival)
lung$sex <- factor(lung$sex)
vars <- list(
  time = "time",
  event = "status",
  arm = "sex",
  biomarker = "age"
)
step_matrix <- fit_survival_step(
  variables = vars,
  data = lung,
  control = c(control_coxph(), control_step(num_points = 10, degree = 2))
)
broom::tidy(step_matrix)