56 lines
1.1 KiB
JavaScript
56 lines
1.1 KiB
JavaScript
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var journal = [];
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function addEntry(events, squirrel) {
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journal.push({events, squirrel});
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}
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function phi(table) {
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return (table[3] * table[0] - table[2] * table[1]) /
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Math.sqrt((table[2] + table[3]) *
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(table[0] + table[1]) *
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(table[1] + table[3]) *
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(table[0] + table[2]));
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}
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function tableFor(event, journal) {
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let table = [0, 0, 0, 0];
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for (let i = 0; i < journal.length; i++) {
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let entry = journal[i], index = 0;
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if (entry.events.includes(event)) index += 1;
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if (entry.squirrel) index += 2;
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table[index] += 1;
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}
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return table;
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}
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function journalEvents(journal) {
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let events = [];
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for (let entry of journal) {
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for (let event of entry.events) {
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if (!events.includes(event)) {
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events.push(event);
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}
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}
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}
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return events;
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}
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function max(...numbers) {
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let result = -Infinity;
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for (let number of numbers) {
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if (number > result) result = number;
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}
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return result;
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}
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var list = {
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value: 1,
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rest: {
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value: 2,
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rest: {
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value: 3,
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rest: null
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}
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}
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};
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