@wmfs/tymly-rankings-plugin

Version:

Plugin which handles ranking of data for Tymly framework

14 lines (9 loc) • 467 B

JavaScript

const debug = require('debug')('tymly-rankings-plugin')

function calculateGrowthCurve (exp, daysElapsed, riskScore) {
  const exponential = Math.exp(exp * daysElapsed)
  const denominator = 1 + (81 * exponential)
  const curveValue = riskScore / denominator

  debug(`Calculating growth curve: ${riskScore} / ( 1 + ( 81 * ( e ^ ( ${daysElapsed} * ${exp} ) ) ) ) = ${curveValue}`)

  return curveValue
} // calculateGrowthCurve

module.exports = calculateGrowthCurve