Created
September 14, 2020 20:28
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| import {every, filter} from 'lodash' | |
| export const numericComparisons = { | |
| lte: (a, b) => a <= b, | |
| lt: (a, b) => a < b, | |
| gt: (a, b) => a > b, | |
| gte: (a, b) => a >= b, | |
| eq: (a, b) => a === b, | |
| neq: (a, b) => a !== b | |
| } | |
| export function evalRules(n, {name, description, ...classRules}, rules) { | |
| return every(classRules, (classVal, ruleName) => rules[ruleName](n, classVal)) | |
| } | |
| export function classify(n, classes, rules) { | |
| return filter(classes, classDef => evalRules(n, classDef, rules)) | |
| } | |
| export function numericClassification(n, classes) { | |
| let c = classify(n, classes, numericComparisons) | |
| return c[0] || {} | |
| } | |
| /* e.g. | |
| let aucClasses = [ | |
| {gte: 0.0, lt: 0.6, name: 'Failed'}, | |
| {gte: 0.6, lt: 0.7, name: 'Marginal'}, | |
| {gte: 0.7, lt: 0.8, name: 'Satisfactory'}, | |
| {gte: 0.8, lte: 1.0, name: 'Good'} | |
| ] | |
| aucRating = numericClassification(auc, aucClasses) | |
| */ | |
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