File size: 868 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | // configuration for a set of data points
// strings are descriptors for the set
// numbers are used for synthetic data generation)
type BoxPlotConfig = {
group: string
subgroup?: string
mu: number
sd: number
n: number
}
// create a random number from a distribution that has a mean and some spread
// (uses Math.atanh instead of normal distribution - only meant for test cases)
const randomValue = (mu = 0, sigma = 1) => {
const z = (Math.random() - 0.5) * 2
return Math.atanh(z) * sigma + mu
}
export const generateBoxPlotData = (config: BoxPlotConfig[]) => {
return config
.map(x => {
const values = Array(x.n)
.fill(0)
.map(() => randomValue(x.mu, x.sd))
return values.map(v => {
return { ...x, value: v }
})
})
.flat()
}
|