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#' @describeIn progression_table Relative Intensity progression table. Use \code{step_increment}
#' and \code{volume_increment} parameters to utilize needed increments
#' @export
#' @examples
#' # ------------------------------------------
#' # Progression Relative Intensity
#' progression_rel_int(10, step = seq(-3, 0, 1))
#' progression_rel_int(10, step = seq(-3, 0, 1), volume = "extensive")
#' progression_rel_int(5, step = seq(-3, 0, 1), type = "ballistic")
#'
#' # Generate progression table
#' generate_progression_table(progression_rel_int, type = "grinding", volume = "normal")
#' generate_progression_table(progression_rel_int, step_increment = -0.1, volume_increment = 0.15)
#'
#' # Use different reps-max model
#' generate_progression_table(
#' progression_rel_int,
#' type = "grinding",
#' volume = "normal",
#' max_perc_1RM_func = max_perc_1RM_linear,
#' klin = 36
#' )
progression_rel_int <- function(reps,
step = 0,
volume = "normal",
adjustment = 0,
type = "grinding",
mfactor = NULL,
step_increment = -0.05,
volume_increment = -0.075,
...) {
# +++++++++++++++++++++++++++++++++++++++++++
# Code chunk for dealing with R CMD check note
rep_start <- NULL
rep_step <- NULL
inc_start <- NULL
inc_step <- NULL
post_adjustment <- NULL
total_adjustment <- NULL
rep_RI <- NULL
step_RI <- NULL
# +++++++++++++++++++++++++++++++++++++++++++
# Perform checks
check_volume(volume)
check_type(type)
if (is.null(mfactor)) mfactor <- get_mfactor(type)
df <- data.frame(
reps = reps,
step = step,
volume = volume,
type = type,
post_adjustment = adjustment,
mfactor = mfactor
)
df <- data.frame(
reps = reps,
step = step,
volume = volume,
post_adjustment = adjustment,
mfactor = mfactor,
volume_increment = volume_increment,
step_increment = step_increment
) %>%
dplyr::mutate(
rep_start = dplyr::case_when(
volume == "intensive" ~ 0,
volume == "normal" ~ volume_increment,
volume == "extensive" ~ volume_increment * 2
),
rep_step = 0,
inc_start = step_increment,
inc_step = 0,
# Calculate
rep_RI = rep_start + (reps - 1) * rep_step,
step_RI = 1 - step * (inc_start + (reps - 1) * inc_step),
adjustment = (rep_RI + step_RI),
total_adjustment = adjustment + post_adjustment,
perc_1RM = adj_perc_1RM_rel_int(
reps = reps,
adjustment = total_adjustment,
mfactor = mfactor,
...
)
)
return(list(
adjustment = df$total_adjustment,
perc_1RM = df$perc_1RM
))
}
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