🐈

Nya NyaGarcia

🐈

Full stack dev~ Creator of Npkill~ Málaga

NyaGarcia / 3way.r

Created March 19, 2020 14:24

Three-way contingency table

	> table(mtcars$cyl, mtcars$carb, mtcars$gear)
	, , = 3


	1 2 3 4 6 8
	4 1 0 0 0 0 0
	6 2 0 0 0 0 0
	8 0 4 3 5 0 0

	, , = 4

NyaGarcia / cramerv.r

Last active March 19, 2020 15:20

Calculating strength of association with Cramer's V

	> CramerV(mtcars$gear, mtcars$cyl)
	[1] 0.5308655

NyaGarcia / cramerv-correct.r

Created March 19, 2020 15:09

Calculating measures of association with Cramer's V, with bias correction applied

	> CramerV(mtcars$gear, mtcars$cyl, correct = TRUE)
	[1] 0.4819631

NyaGarcia / tschuprow-correct.r

Created March 19, 2020 15:17

Calculating strength of association with Tschuprow's T, with bias correction applied

	> TschuprowT(mtcars$gear, mtcars$cyl, correct = TRUE)
	[1] 0.4819631

NyaGarcia / tschuprow.r

Created March 19, 2020 15:20

Calculating strength of association with Tschuprow's T

	> TschuprowT(mtcars$gear, mtcars$cyl)
	[1] 0.5308655

NyaGarcia / phi.r

Created March 19, 2020 17:23

Calculating strength of association with the Phi Coefficient

	> jobhappiness<-matrix(c(5,7,13,10), ncol = 2)
	> rownames(jobhappiness)<-c("Developers", "Mathematicians")
	> colnames(jobhappiness)<-c("Happy", "Unhappy")
	> phi(jobhappiness)
	[1] -0.14

NyaGarcia / duplicated-logic.ts

Last active April 4, 2021 10:45

Duplicated logic in Observables

	import { from } from "rxjs";
	import { filter, reduce } from "rxjs/operators";

	const number$ = from([null, 2, 1, undefined, 5, false, 6, 7]);

	// Adding numbers
	number$
	.pipe(
	filter<number>(Boolean),
	reduce((acc, curr) => acc + curr)

NyaGarcia / fix-duplicated-logic.ts

Last active April 4, 2021 10:46

Fixing duplicated logic smell by attaching takeUntil() to the source Observable

	import { from } from "rxjs";
	import { filter, reduce } from "rxjs/operators";

	const number$ = from([null, 2, 1, 0, 5, false, 6, 7]).pipe(
	filter<number>(Boolean)
	);

	// Adding numbers
	number$
	.pipe(

NyaGarcia / exposed-subjects.ts

Created March 20, 2020 15:07

Exposing subjects to the outside world

	class DataService {
	pokemonLevel$ = new BehaviorSubject<number>(1);
	stop$: Subject<void> = new Subject();

	number$ = interval(1000).pipe(takeUntil(this.stop$));
	}

NyaGarcia / encapsulated-subjects.ts

Created March 20, 2020 15:13

Preserving class encapsulation by providing methods to interact with Subjects

	class DataService {
	private pokemonLevel = new BehaviorSubject<number>(1);
	private stop$: Subject<void> = new Subject();

	pokemonLevel$ = this.pokemonLevel.asObservable();

	increaseLevel(level: number) {
	if (!this.isValidLevel(level)) {
	throw new Error("Level is not valid");
	}