zias/stats
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

feature(dashboard): add new retention chart type

Browse Source
This commit is contained in:
Carl-Gerhard Lindesvärd
2024-10-15 20:40:24 +02:00
committed by Carl-Gerhard Lindesvärd
parent e2065da16e
commit f977c5454a
53 changed files with 1463 additions and 364 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
packages/common/src/math.ts
View File

@@ -5,10 +5,13 @@ export const round = (num: number, decimals = 2) => {
return Math.round((num + Number.EPSILON) * factor) / factor;
};
export const average = (arr: (number | null)[]) => {
export const average = (arr: (number | null)[], includeZero = false) => {
const filtered = arr.filter(
(n): n is number =>
isNumber(n) && !Number.isNaN(n) && Number.isFinite(n) && n !== 0,
isNumber(n) &&
!Number.isNaN(n) &&
Number.isFinite(n) &&
(includeZero || n !== 0),
);
const avg = filtered.reduce((p, c) => p + c, 0) / filtered.length;
return Number.isNaN(avg) ? 0 : avg;
@@ -17,10 +20,10 @@ export const average = (arr: (number | null)[]) => {
export const sum = (arr: (number | null | undefined)[]): number =>
round(arr.filter(isNumber).reduce((acc, item) => acc + item, 0));
export const min = (arr: (number | null)[]): number =>
export const min = (arr: (number | null | undefined)[]): number =>
Math.min(...arr.filter(isNumber));
export const max = (arr: (number | null)[]): number =>
export const max = (arr: (number | null | undefined)[]): number =>
Math.max(...arr.filter(isNumber));
export const isFloat = (n: number) => n % 1 !== 0;