Subset model lines

Extracts a subset of lines from the model.

Usage

# S3 method for bi_model
[(x, i, ...)

Arguments

x

A bi_model

i

A vector of line numbers

...

ignored

Value

a character string of the extracted model lines(s)

Examples

model_file_name <- system.file(package = "rbi", "PZ.bi")
PZ <- bi_model(filename = model_file_name)
PZ[3:4]
#> [1] "const e = 0.3"   "const m_l = 0.1"