Lactate curve — lactate_curve • lactater

It retrieves the lactate curve for plotting purposes.

Usage

lactate_curve(
  .data,
  intensity_column,
  lactate_column,
  heart_rate_column,
  fit = c("3rd degree polynomial", "4th degree polynomial", "B-spline"),
  include_baseline = FALSE,
  sport = c("cycling", "running", "swimming")
)

Arguments

.data: The raw data.
intensity_column: The name of the intensity column.
lactate_column: The name of the lactate column.
heart_rate_column: The name of the heart rate column, if applicable.
fit: The fit you would like to use for plotting the lactate curve. Options are 3rd degree polynomial, 4th degree polynomial, or B-spline.
include_baseline: A boolean to indicate whether to include the baseline value in the fit.
sport: The sport at which the incremental test was performed. One of cycling, running, or swimming.

Value

a list with the following elements:

data: a tibble containing the raw data with the columns intensity, lactate, and heart_rate.
lactate_curve: a tibble containing the data with the columns intensity and lactate for plotting the lactate curve according to the fit method chosen.
heart_rate_response: a tibble containing the data with the columns intensity and heart_rate for plotting the heart rate response using the linear method.

Examples

if (FALSE) {
lactate_curve(
  .data = demo_data,
  intensity_column = "intensity",
  lactate_column = "lactate",
  heart_rate_column = "heart_rate",
  fit = "3rd degree polynomial",
  include_baseline = TRUE,
  sport = "cycling"
)
}