let text;
if (ci.format === 'percentage') {
text = (100 * ci.val).toFixed(0) + '%';
+ } else if (ci.decimals !== undefined) {
+ text = ci.val.toFixed(ci.decimals);
} else {
text = ci.val.toFixed(2);
}
+ if (ci.unit !== undefined) {
+ text += ' '+ ci.unit;
+ }
let element = add_3cell(tr, text);
let to_x = (val) => { return ci_width * (val - ci.min) / (ci.max - ci.min); };
'offensive_points_completed': 0,
'offensive_points_won': 0,
+ 'clean_holds': 0,
+
'defensive_points_completed': 0,
'defensive_points_won': 0,
+ 'clean_breaks': 0,
+
+ 'turnovers_won': 0,
+ 'turnovers_lost': 0,
+ 'their_clean_holds': 0,
+ 'their_clean_breaks': 0,
+
+ 'touches_for_turnover': 0,
+ 'touches_for_goal': 0,
+ 'time_for_turnover': [],
+ 'time_for_goal': [],
+ 'their_time_for_turnover': [],
+ 'their_time_for_goal': [],
};
let globals = players['globals'];
let our_score = 0;
let their_score = 0;
+ let between_points = true;
let handler = null;
let handler_got_by_interception = false; // Only relevant if handler !== null.
let prev_handler = null;
let point_num = 0;
let game_started = null;
let last_goal = null;
+ let current_predominant_gender = null;
+ let current_num_players_on_field = null;
+
+ let we_lost_disc = false;
+ let they_lost_disc = false;
+ let touches_this_possession = 0;
+ let possession_started = null;
+ let extra_ms_this_possession = 0; // Used at stoppages.
// The last used formations of the given kind, if any; they may be reused
// when the point starts, if nothing else is set.
keep = keep_event(players, formations_used_this_point, last_pull_was_ours, filters); // Recompute after in/out.
+ if (match['gender_rule_a']) {
+ if (type === 'restart' && !between_points) {
+ let predominant_gender = find_predominant_gender(players);
+ let num_players_on_field = find_num_players_on_field(players);
+ if (predominant_gender !== current_predominant_gender && current_predominant_gender !== null) {
+ console.log(match['description'] + ' ' + format_time(t) + ': Stoppage changed predominant gender from ' + current_predominant_gender + ' to ' + predominant_gender);
+ }
+ if (num_players_on_field !== current_num_players_on_field && current_num_players_on_field !== null) {
+ console.log(match['description'] + ' ' + format_time(t) + ': Stoppage changed number of players on field from ' + current_num_players_on_field + ' to ' + num_players_on_field);
+ }
+ current_predominant_gender = predominant_gender;
+ current_num_players_on_field = num_players_on_field;
+ } else if (type === 'pull' || type === 'their_pull') {
+ let predominant_gender = find_predominant_gender(players);
+ let num_players_on_field = find_num_players_on_field(players);
+ let changed = (predominant_gender !== current_predominant_gender);
+ if (point_num !== 0) {
+ let should_change = (point_num % 4 == 1 || point_num % 4 == 3); // ABBA changes on 1 and 3.
+ if (changed && !should_change) {
+ console.log(match['description'] + ' ' + format_time(t) + ': Gender ratio should have stayed the same, changed to predominance of ' + predominant_gender);
+ } else if (!changed && should_change) {
+ console.log(match['description'] + ' ' + format_time(t) + ': Gender ratio should have changed, remained predominantly ' + predominant_gender);
+ }
+ if (num_players_on_field !== current_num_players_on_field && current_num_players_on_field !== null) {
+ console.log(match['description'] + ' ' + format_time(t) + ': Number of players on field changed from ' + current_num_players_on_field + ' to ' + num_players_on_field);
+ }
+ }
+ current_predominant_gender = predominant_gender;
+ current_num_players_on_field = num_players_on_field;
+ }
+ }
+ if (match['gender_pull_rule']) {
+ if (type === 'pull') {
+ if (current_predominant_gender !== null &&
+ p.gender !== current_predominant_gender) {
+ console.log(match['description'] + ' ' + format_time(t) + ': ' + p.name + ' pulled, should have been ' + current_predominant_gender);
+ }
+ }
+ }
+
// Liveness management
if (type === 'pull' || type === 'their_pull' || type === 'restart') {
live_since = t;
+ if (type !== 'restart') {
+ between_points = false;
+ }
} else if (type === 'catch' && last_pull_was_ours === null) {
// Someone forgot to add the pull, so we'll need to wing it.
console.log(match['description'] + ' ' + format_time(t) + ': Missing pull on ' + our_score + '\u2013' + their_score + '; pretending to have one.');
live_since = t;
last_pull_was_ours = !offense;
+ between_points = false;
} else if (type === 'goal' || type === 'their_goal' || type === 'stoppage') {
+ if (type === 'goal') {
+ if (keep) ++p.touches;
+ ++touches_this_possession;
+ }
for (const [q,p] of Object.entries(players)) {
if (p.on_field_since === null) {
continue;
puller = pull_started = null;
}
+ // Stats for clean holds or not (must be done before resetting we_lost_disc etc. below).
+ if (keep) {
+ if (type === 'goal' && !we_lost_disc) {
+ if (last_pull_was_ours === false) { // O point.
+ ++globals.clean_holds;
+ } else if (last_pull_was_ours === true) {
+ ++globals.clean_breaks;
+ }
+ } else if (type === 'their_goal' && !they_lost_disc) {
+ if (last_pull_was_ours === true) { // O point for them.
+ ++globals.their_clean_holds;
+ } else if (last_pull_was_ours === false) {
+ ++globals.their_clean_breaks;
+ }
+ }
+ }
+
// Offense/defense management
let last_offense = offense;
if (type === 'set_defense' || type === 'goal' || type === 'throwaway' || type === 'drop' || type === 'was_d' || type === 'stallout') {
offense = false;
+ we_lost_disc = true;
+ if (keep && type !== 'goal' && !(type === 'set_defense' && last_pull_was_ours === null)) {
+ ++globals.turnovers_lost;
+ globals.touches_for_turnover += touches_this_possession;
+ if (possession_started != null) globals.time_for_turnover.push((t - possession_started) + extra_ms_this_possession);
+ } else if (keep && type === 'goal') {
+ globals.touches_for_goal += touches_this_possession;
+ if (possession_started != null) globals.time_for_goal.push((t - possession_started) + extra_ms_this_possession);
+ }
+ touches_this_possession = 0;
+ possession_started = null;
+ extra_ms_this_possession = 0;
} else if (type === 'set_offense' || type === 'their_goal' || type === 'their_throwaway' || type === 'defense' || type === 'interception') {
offense = true;
+ they_lost_disc = true;
+ if (keep && type !== 'their_goal' && !(type === 'set_offense' && last_pull_was_ours === null)) {
+ ++globals.turnovers_won;
+ if (possession_started != null) globals.their_time_for_turnover.push((t - possession_started) + extra_ms_this_possession);
+ } else if (keep && type === 'their_goal') {
+ if (possession_started != null) globals.their_time_for_goal.push((t - possession_started) + extra_ms_this_possession);
+ }
+ touches_this_possession = 0;
+ possession_started = null;
+ extra_ms_this_possession = 0;
+ }
+ if (type === 'goal' || type === 'their_goal') {
+ between_points = true;
+ we_lost_disc = false;
+ they_lost_disc = false;
+ touches_this_possession = 0;
}
if (last_offense !== offense && live_since !== null) {
// Switched offense/defense status, so attribute this drive as needed,
}
live_since = t;
}
+ // The rules for possessions are slightly different; we want to start at pulls,
+ // not previous goals.
+ if ((last_offense !== offense && type !== 'goal' && type !== 'their_goal' && live_since !== null) ||
+ type === 'pull' || type === 'their_pull') {
+ possession_started = t;
+ } else if (type === 'stoppage') {
+ if (possession_started !== null) {
+ extra_ms_this_possession = t - possession_started;
+ possession_started = null;
+ }
+ } else if (type === 'restart' && live_since !== null && !between_points) {
+ possession_started = t;
+ }
if (type === 'pull') {
last_pull_was_ours = true;
}
if (keep) ++p.touches;
+ ++touches_this_possession;
if (type === 'goal') {
if (keep) {
if (prev_handler !== null) {
++p.catches;
++p.defenses;
++p.touches;
+ ++touches_this_possession;
}
prev_handler = null;
handler = e['player'];
return players;
}
-function process_matches(json, filtersets) {
+function recursively_expand_filterset(filterset, base, result)
+{
+ if (result.length >= 100) {
+ return;
+ }
+ if (base.length == filterset.length) {
+ result.push(base);
+ return;
+ }
+ let filter = filterset[base.length];
+ if (filter.split) {
+ let elements = filter.elements;
+ if (elements.size === 0) {
+ elements = filter.choices;
+ }
+ for (const element of elements) {
+ let split_filter = {
+ 'type': filter.type,
+ 'elements': new Set([ element ]),
+ 'split': false, // Not used.
+ };
+ recursively_expand_filterset(filterset, [...base, split_filter], result);
+ }
+ } else {
+ recursively_expand_filterset(filterset, [...base, filter], result);
+ }
+}
+
+function expand_filtersets(filtersets) {
+ if (filtersets.length === 0) {
+ return [[]];
+ }
+
+ let expanded = [];
+ for (const filterset of filtersets) {
+ recursively_expand_filterset(filterset, [], expanded);
+ }
+ return expanded;
+}
+
+function process_matches(json, unexpanded_filtersets) {
let chosen_category = get_chosen_category();
write_main_menu(chosen_category);
- let filterset_values = Object.values(filtersets);
- if (filterset_values.length === 0) {
- filterset_values = [[]];
- }
+ let filtersets = expand_filtersets(Object.values(unexpanded_filtersets));
let rowsets = [];
- for (const filter of filterset_values) {
+ for (const filter of filtersets) {
let players = calc_stats(json, filter);
let rows = [];
if (chosen_category === 'general') {
rows = make_table_playing_time(players);
} else if (chosen_category === 'per_point') {
rows = make_table_per_point(players);
+ } else if (chosen_category === 'team_wide') {
+ rows = make_table_team_wide(players);
}
rowsets.push(rows);
}
let merged_rows = [];
- if (filterset_values.length > 1) {
+ if (filtersets.length > 1) {
for (let i = 0; i < rowsets.length; ++i) {
- let marker = make_filter_marker(filterset_values[i]);
+ let marker = make_filter_marker(filtersets[i]);
// Make filter header.
let tr = rowsets[i][0];
return 'playing_time';
} else if (window.location.hash === '#per_point') {
return 'per_point';
+ } else if (window.location.hash === '#team_wide') {
+ return 'team_wide';
} else {
return 'general';
}
function write_main_menu(chosen_category) {
let elems = [];
- if (chosen_category === 'general') {
- let span = document.createElement('span');
- span.innerText = 'General';
- elems.push(span);
- } else {
- let a = document.createElement('a');
- a.appendChild(document.createTextNode('General'));
- a.setAttribute('href', '#general');
- elems.push(a);
- }
-
- if (chosen_category === 'offense') {
- let span = document.createElement('span');
- span.innerText = 'Offense';
- elems.push(span);
- } else {
- let a = document.createElement('a');
- a.appendChild(document.createTextNode('Offense'));
- a.setAttribute('href', '#offense');
- elems.push(a);
- }
-
- if (chosen_category === 'defense') {
- let span = document.createElement('span');
- span.innerText = 'Defense';
- elems.push(span);
- } else {
- let a = document.createElement('a');
- a.appendChild(document.createTextNode('Defense'));
- a.setAttribute('href', '#defense');
- elems.push(a);
- }
-
- if (chosen_category === 'playing_time') {
- let span = document.createElement('span');
- span.innerText = 'Playing time';
- elems.push(span);
- } else {
- let a = document.createElement('a');
- a.appendChild(document.createTextNode('Playing time'));
- a.setAttribute('href', '#playing_time');
- elems.push(a);
- }
-
- if (chosen_category === 'per_point') {
- let span = document.createElement('span');
- span.innerText = 'Per point';
- elems.push(span);
- } else {
- let a = document.createElement('a');
- a.appendChild(document.createTextNode('Per point'));
- a.setAttribute('href', '#per_point');
- elems.push(a);
+ const categories = [
+ ['general', 'General'],
+ ['offense', 'Offense'],
+ ['defense', 'Defense'],
+ ['playing_time', 'Playing time'],
+ ['per_point', 'Per point'],
+ ['team_wide', 'Team-wide'],
+ ];
+ for (const [id, title] of categories) {
+ if (chosen_category === id) {
+ let span = document.createElement('span');
+ span.innerText = title;
+ elems.push(span);
+ } else {
+ let a = document.createElement('a');
+ a.appendChild(document.createTextNode(title));
+ a.setAttribute('href', '#' + id);
+ elems.push(a);
+ }
}
document.getElementById('mainmenu').replaceChildren(...elems);
//
// Modified Wald (recommended by http://www.ine.pt/revstat/pdf/rs120203.pdf
// since our rates are definitely below 2 per point).
+//
+// FIXME: z is ignored.
function make_poisson_ci(val, num, z, inverted)
{
let low = (val == 0) ? 0.0 : ((val - 0.5) - Math.sqrt(val - 0.5)) / num;
};
}
+// Wilson and Hilferty, again recommended for general use in the PDF above
+// (anything from their group “G1” works).
+// https://en.wikipedia.org/wiki/Poisson_distribution#Confidence_interval
+function make_poisson_ci_large(val, num, z)
+{
+ let low = val * Math.pow(1.0 - 1.0 / (9.0 * val) - z / (3.0 * Math.sqrt(val)), 3.0) / num;
+ let high = (val + 1.0) * Math.pow(1.0 - 1.0 / (9.0 * (val + 1.0)) + z / (3.0 * Math.sqrt(val + 1.0)), 3.0) / num;
+
+ // Fix the signs so that we don't get -0.00.
+ low = Math.max(low, 0.0);
+
+ // The display range of 0 to 25.0 is fairly arbitrary. We have no desire here
+ // (this is used for number of touches).
+ let avg = val / num;
+ return {
+ 'val': avg,
+ 'lower_ci': low,
+ 'upper_ci': high,
+ 'min': 0.0,
+ 'max': 25.0,
+ 'desired': 0.0,
+ 'inverted': false,
+ };
+}
+
+// We don't really know what to expect for possessions; it appears roughly
+// lognormal, but my head doesn't work well enough to extract the CI for
+// the estimated sample mean, and now my head spins around whether we do
+// this correctly even for Poisson :-) But we do a simple (non-BCa) bootstrap
+// here, which should give us what we want.
+//
+// FIXME: z is ignored.
+function make_ci_duration(vals, z)
+{
+ // Bootstrap.
+ let sample_means = [];
+ for (let i = 0; i < 300; ++i) {
+ let sum = 0.0;
+ for (let j = 0; j < vals.length; ++j) {
+ sum += vals[Math.floor(Math.random() * vals.length)];
+ }
+ sample_means.push(sum / vals.length);
+ }
+ sample_means.sort();
+
+ // Interpolating here would probably be better, but OK.
+ let low = sample_means[Math.floor(0.025 * sample_means.length)];
+ let high = sample_means[Math.floor(0.975 * sample_means.length)];
+
+ // Find the point estimate of the mean.
+ let sum = 0.0;
+ for (const v of vals) {
+ sum += v;
+ }
+ let avg = sum / vals.length;
+
+ return {
+ 'val': avg / 1000.0,
+ 'lower_ci': low / 1000.0,
+ 'upper_ci': high / 1000.0,
+ 'min': 0.0,
+ 'max': 120.0,
+ 'desired': 0.0,
+ 'inverted': false,
+ 'unit': 'sec',
+ 'decimals': 1,
+ };
+}
+
function make_table_general(players) {
let rows = [];
{
return rows;
}
+function make_table_team_wide(players) {
+ let globals = players['globals'];
+
+ let rows = [];
+ {
+ let header = document.createElement('tr');
+ add_th(header, '');
+ add_th(header, 'Our team', 6);
+ add_th(header, 'Opponents', 6);
+ rows.push(header);
+ }
+
+ // Turnovers.
+ {
+ let row = document.createElement('tr');
+ let name = add_3cell(row, 'Turnovers generated', 'name');
+ add_3cell(row, globals.turnovers_won);
+ add_3cell(row, '');
+ add_3cell(row, globals.turnovers_lost);
+ add_3cell(row, '');
+ rows.push(row);
+ }
+
+ // Clean holds.
+ {
+ let row = document.createElement('tr');
+ let name = add_3cell(row, 'Clean holds', 'name');
+ let our_clean_holds = make_binomial_ci(globals.clean_holds, globals.offensive_points_completed, z);
+ let their_clean_holds = make_binomial_ci(globals.their_clean_holds, globals.defensive_points_completed, z);
+ our_clean_holds.desired = 0.3; // Arbitrary.
+ our_clean_holds.format = 'percentage';
+ their_clean_holds.desired = 0.3;
+ their_clean_holds.format = 'percentage';
+ add_3cell(row, globals.clean_holds + ' / ' + globals.offensive_points_completed);
+ add_3cell_ci(row, our_clean_holds);
+ add_3cell(row, globals.their_clean_holds + ' / ' + globals.defensive_points_completed);
+ add_3cell_ci(row, their_clean_holds);
+ rows.push(row);
+ }
+
+ // Clean breaks.
+ {
+ let row = document.createElement('tr');
+ let name = add_3cell(row, 'Clean breaks', 'name');
+ let our_clean_breaks = make_binomial_ci(globals.clean_breaks, globals.defensive_points_completed, z);
+ let their_clean_breaks = make_binomial_ci(globals.their_clean_breaks, globals.offensive_points_completed, z);
+ our_clean_breaks.desired = 0.3; // Arbitrary.
+ our_clean_breaks.format = 'percentage';
+ their_clean_breaks.desired = 0.3;
+ their_clean_breaks.format = 'percentage';
+ add_3cell(row, globals.clean_breaks + ' / ' + globals.defensive_points_completed);
+ add_3cell_ci(row, our_clean_breaks);
+ add_3cell(row, globals.their_clean_breaks + ' / ' + globals.offensive_points_completed);
+ add_3cell_ci(row, their_clean_breaks);
+ rows.push(row);
+ }
+
+ // Touches. We only have information for our team here.
+ {
+ let goals = 0;
+ for (const [q,p] of get_sorted_players(players)) {
+ if (q === 'globals') continue;
+ goals += p.goals;
+ }
+ let row = document.createElement('tr');
+ let name = add_3cell(row, 'Touches per possession (all)', 'name');
+ let touches = globals.touches_for_turnover + globals.touches_for_goal;
+ let possessions = goals + globals.turnovers_lost;
+ add_3cell(row, '');
+ add_3cell_ci(row, make_poisson_ci_large(touches, possessions, z));
+ add_3cell(row, '');
+ add_3cell(row, '');
+ rows.push(row);
+
+ row = document.createElement('tr');
+ add_3cell(row, 'Touches per possession (goals)', 'name');
+ add_3cell(row, '');
+ add_3cell_ci(row, make_poisson_ci_large(globals.touches_for_goal, goals, z));
+ add_3cell(row, '');
+ add_3cell(row, '');
+ rows.push(row);
+
+ row = document.createElement('tr');
+ add_3cell(row, 'Touches per possession (turnovers)', 'name');
+ add_3cell(row, '');
+ add_3cell_ci(row, make_poisson_ci_large(globals.touches_for_turnover, globals.turnovers_lost, z));
+ add_3cell(row, '');
+ add_3cell(row, '');
+ rows.push(row);
+ }
+
+ // Time. Here we have (roughly) for both.
+ {
+ let row = document.createElement('tr');
+ let name = add_3cell(row, 'Time per possession (all)', 'name');
+ let time = globals.time_for_turnover.concat(globals.time_for_goal);
+ let their_time = globals.their_time_for_turnover.concat(globals.their_time_for_goal);
+ add_3cell(row, '');
+ add_3cell_ci(row, make_ci_duration(time, z));
+ add_3cell(row, '');
+ add_3cell_ci(row, make_ci_duration(their_time, z));
+ rows.push(row);
+
+ row = document.createElement('tr');
+ add_3cell(row, 'Time per possession (goals)', 'name');
+ add_3cell(row, '');
+ add_3cell_ci(row, make_ci_duration(globals.time_for_goal, z));
+ add_3cell(row, '');
+ add_3cell_ci(row, make_ci_duration(globals.their_time_for_goal, z));
+ rows.push(row);
+
+ row = document.createElement('tr');
+ add_3cell(row, 'Time per possession (turnovers)', 'name');
+ add_3cell(row, '');
+ add_3cell_ci(row, make_ci_duration(globals.time_for_turnover, z));
+ add_3cell(row, '');
+ add_3cell_ci(row, make_ci_duration(globals.their_time_for_turnover, z));
+ rows.push(row);
+ }
+
+ return rows;
+}
+
function make_table_offense(players) {
let rows = [];
{
}
}
+ let choice_set = new Set();
+ for (const choice of choices) {
+ choice_set.add(choice.id);
+ }
+
for (const choice of choices) {
let label = document.createElement('label');
if (filter !== null && filter.elements.has(choice.id)) {
check.setAttribute('checked', 'checked');
}
- check.addEventListener('change', (e) => { checkbox_changed(filter_div, filterset, e, filter_type, choice.id); });
+ check.addEventListener('change', (e) => { checkbox_changed(filter_div, filterset, e, filter_type, choice.id, choice_set); });
subitem.appendChild(check);
subitem.appendChild(document.createTextNode(choice.title));
label.appendChild(subitem);
subitems.push(label);
}
+
+ // If meaningful (it's not for player_all, since all data for that would be
+ // the same anyway), show the split checkbox.
+ if (choices.length > 1 && filter_type !== 'player_all') {
+ let label = document.createElement('label');
+
+ let subitem = document.createElement('div');
+ subitem.classList.add('option');
+
+ let check = document.createElement('input');
+ check.setAttribute('type', 'checkbox');
+ check.setAttribute('id', 'choice_split');
+ if (filter !== null && filter.split) {
+ check.setAttribute('checked', 'checked');
+ }
+ check.addEventListener('change', (e) => { checkbox_changed(filter_div, filterset, e, filter_type, 'split', choice_set); });
+
+ subitem.appendChild(check);
+ let text_span = document.createElement('span'); // So that we can style its disabling later.
+ text_span.appendChild(document.createTextNode('Split'));
+ subitem.appendChild(text_span);
+ subitem.style.borderTop = '1px solid #ddd';
+
+ label.appendChild(subitem);
+ subitems.push(label);
+ }
+
submenu.replaceChildren(...subitems);
submenu.style.display = 'block';
}
}
-function checkbox_changed(filter_div, filterset, e, filter_type, id) {
+function checkbox_changed(filter_div, filterset, e, filter_type, id, choices) {
let filter = find_filter(filterset, filter_type);
let pills_div = filter_div.querySelector('.filters');
if (e.target.checked) {
if (filter === null) {
filter = {
'type': filter_type,
- 'elements': new Set([ id ]),
+ 'elements': new Set(),
+ 'choices': choices,
+ 'split': false,
};
+ if (id === 'split') {
+ filter.split = true;
+ } else {
+ filter.elements.add(id);
+ }
filter.pill = make_filter_pill(filter_div, filterset, filter);
filterset.push(filter);
pills_div.appendChild(filter.pill);
} else {
- filter.elements.add(id);
+ if (id === 'split') {
+ filter.split = true;
+ } else {
+ filter.elements.add(id);
+ }
let new_pill = make_filter_pill(filter_div, filterset, filter);
pills_div.replaceChild(new_pill, filter.pill);
filter.pill = new_pill;
}
} else {
- filter.elements.delete(id);
+ if (id === 'split') {
+ filter.split = false;
+ } else {
+ filter.elements.delete(id);
+ }
if (filter.elements.size === 0) {
pills_div.removeChild(filter.pill);
inplace_filter(filterset, f => f !== filter);
filter.pill = new_pill;
}
}
+ let choice_split = document.getElementById('choice_split');
+ if (filter.elements.size === 1) {
+ choice_split.nextSibling.style.opacity = 0.2;
+ choice_split.setAttribute('disabled', 'disabled');
+ } else {
+ choice_split.nextSibling.style.opacity = 1.0;
+ choice_split.removeAttribute('disabled');
+ }
process_matches(global_json, global_filters);
}
first = false;
}
}
+ if (filter.split && filter.elements.size !== 1) {
+ text += ' (split)';
+ }
let text_node = document.createElement('span');
text_node.innerText = text;
return true;
}
-function find_gender_ratio_code(players) {
+// Returns a map of e.g. F => 4, M => 3.
+function find_gender_ratio(players) {
let map = {};
for (const [q,p] of Object.entries(players)) {
if (p.on_field_since === null) {
++map[gender];
}
}
+ return map;
+}
+
+function find_gender_ratio_code(players) {
+ let map = find_gender_ratio(players);
let all_genders = Array.from(Object.keys(map)).sort(
(a,b) => {
if (map[a] !== map[b]) {
return code;
}
+// null if none (e.g., if playing 3–3).
+function find_predominant_gender(players) {
+ let max = 0;
+ let predominant_gender = null;
+ for (const [gender, num] of Object.entries(find_gender_ratio(players))) {
+ if (num > max) {
+ max = num;
+ predominant_gender = gender;
+ } else if (num == max) {
+ predominant_gender = null; // At least two have the same.
+ }
+ }
+ return predominant_gender;
+}
+
+function find_num_players_on_field(players) {
+ let num = 0;
+ for (const [q,p] of Object.entries(players)) {
+ if (p.on_field_since !== null) {
+ ++num;
+ }
+ }
+ return num;
+}
+
function filter_passes(players, formations_used_this_point, last_pull_was_ours, filter) {
if (filter.type === 'player_any') {
for (const p of Array.from(filter.elements)) {