Skip to contents

Various skill performance indicators

Source: R/indicators.R
attack_eff.Rd

  • attack_eff: (number of kills - number of errors and blocked attacks) / (number of attacks)

  • serve_eff: (number of aces and positive serves - number of errors and poor serves) / (number of serves)

  • reception_eff: (number of perfect and positive passes - number of errors and overpasses) / (number of passes)

Usage

attack_eff(evaluation, skill)

serve_eff(evaluation, skill)

reception_eff(evaluation, skill)

Arguments

evaluation

character: vector of skill evaluations ("Winning attack", "Error", etc)

skill

character: (optional) vector of skill values ("Attack", "Block", etc). If provided, it will be used to filter the evaluation vector to the elements corresponding to the correct skill. If not provided, all elements of evaluation will be used

Value

A numeric scalar

Examples

if (FALSE) {
 library(dplyr)
 x <- ovdata_example("mlafin_braslovce_nkbm", as = "parsed")
 plays(x) %>% dplyr::filter(skill == "Attack") %>% group_by(player_name) %>%
   dplyr::summarize(N_attacks = n(), att_eff = attack_eff(evaluation))
}