Samuele MazzantiinTowards Data Science·3 hours agoData Scientists Need to Know Just One Statistical TestAfter you read this, you will be able to test any possible statistical hypothesis. With a unique algorithm. — As of today, Wikipedia counts a total of 104 statistical tests. As a consequence, data scientists may feel overwhelmed and ask themselves: “Should I know all of them? And how will I know when to use one over the other?” I am here to reassure you: as a data professional…Statistics10 min read
吳定群·1 day ago深入解析A/B Testing架構 1.什麼是A/B Testing? 1–1想達成的目標 1–2使用時機 1–3流程簡介 2.選擇合適的指標（Metric） 2–1建立指標的目的＆可能遇到的問題 2–2選擇指標的3大步驟 2–3可能遇到的問題與解法 2–4指標的性質 Sensitivity & Robustness 3.實驗設計 3–1選擇Unit of Diversion 3–2選擇受眾 — Pop …A B Testing8 min read
Daniyal Hashmi·2 days agoHypothesis Testing Explanation with Python ImplementationHypothesis What is Hypothesis? In simple words, hypothesis is a claim that we want to test. Types of Hypothesis There are two types of Hypothesis: Null Hypothesis Alternate Hypothesis Null Hypothesis (Ho): Null Hypothesis is basically currently accepted value for a parameter. It is an initial assumption about an event (also…Hypothesis Testing10 min read
Jinav Gala·6 days agoFast Data Science- utilmyHypothesis Testing using a python library There are a couple of hypothesis tools in R and in python, but it often requires: + Specialists knowledge of those tests.( Normality condition) + test result can be invalid if the conditions are not met. Utilmy provides ready to use hypothesis tests for common cases, that can be used…Data Science7 min read
Aravind Brahmadevara·Jun 19Difference between Bayesian and Frequentist inference with simplest analogyThere are so many articles which claim that Bayesian is preferable over frequentist inference, which is highly questionable and inappropriate. The basic problem lies in the improper application of these two concepts. The purpose of each of them is different. Let’s dive into examples. …Bayesian Inference3 min read
Amy GrabNGoInfoinGrabNGoInfo·Jun 15What is a p-value? | Data Science Interview Questions and AnswersHow to explain p-value to a technical audience vs. a non-technical audience, examples, and general interview strategies. What is a p-value is one of the most commonly asked questions in a data science interview. In this tutorial, you will learn: What are the general strategies for answering a definition type…P Value4 min read
Shereese Maynard·Jun 15The Importance of Testing a Hypothesis Before Building Machine Learning Models in Healthcare:When it comes to machine learning in healthcare, one of the most important things to do is test your hypothesis before building your models. Failing to test your hypothesis increases the risk of bias creeping into your models. Today, we’ll examine how to test your hypothesis and why it’s essential. What is hypothesis testing in machine learning …Hypothesis Testing6 min read
Arpi Harutyunyan·Jun 13Hypothesis Testing Cheat-Sheet in PythonHypothesis testing can be daunting (yeah, tell me about it). But the good thing is, it absolutely doesn’t have to be (thanks to Python and a bunch of smart people who implement packages for statistical analysis). If you are here, the odds are you have been googling “Hypothesis Testing” for…Python2 min read
Gustavo SantosinTowards Data Science·Jun 8An Illustrated Explanation of Hypothesis TestsLearn once and for all what is a Hypothesis Test. Code in Python. — Disclaimer: Hey, just to make things clear, this is not a sponsored post. I really liked the book. Hypothesis Test I recently read this nice book The Cartoon Introduction to Statistics. It brings a fun and smooth introduction to basic Statistics concepts, all presented like a comic book. One of the points…Hypothesis Testing4 min read
Shagun Saboo·Jun 9Hypothesis Testing: Part 1Null Hypothesis What is Null Hypothesis? A null hypothesis is a sort of statistical hypothesis that claims there is no statistical significance in a collection of data. The use of sample data to determine the believability of a hypothesis is known as hypothesis testing. In quantitative analysis, the null hypothesis…Hypothesis Testing4 min read
