EMC2 (version 3.2.0)

make_trend: Create a trend specification for model parameters

Description

Create a trend specification for model parameters

Usage

make_trend(
  par_names,
  cov_names,
  kernels,
  bases = NULL,
  shared = NULL,
  trend_pnames = NULL,
  premap = TRUE,
  pretransform = FALSE
)

Value

A list containing the trend specifications for each parameter

Arguments

par_names

Character vector specifying which parameters to apply trend to

cov_names

Character vector specifying which covariates to use for each trend

kernels

Character vector specifying which kernel function to use for each trend

bases

Optional character vector specifying which base function to use for each trend

shared

Named list with entries the parameter names to be shared and the names the new names of the shared parameter.

trend_pnames

Optional character vector specifying custom parameter names

premap

Logical indicating if trend should be applied before or after parameter mapping

pretransform

If !premap, logical indicating if trend should be applied before or after parameter transformation

Examples

# Put trend on B and v parameters
trend <- make_trend(
  par_names = c("B", "v"),
  cov_names = "strial",
  kernels = c("exp_incr", "poly3"),
  premap = TRUE,
  shared = list(shrd = list("B.B0", "v.d1"))
)
get_trend_pnames(trend)