[MINI] The Chi-Squared Test
Data Skeptic6 Feb 2015

[MINI] The Chi-Squared Test

The Chi-Squared test is a methodology for hypothesis testing. When one has categorical data, in the form of frequency counts or observations (e.g. Vegetarian, Pescetarian, and Omnivore), split into two or more categories (e.g. Male, Female), a question may arise such as "Are women more likely than men to be vegetarian?" or put more accurately, "Is any observed difference in the frequency with which women report being vegetarian differ in a statistically significant way from the frequency men report that?"

Episoder(587)

Advertising Attribution with Nathan Janos

Advertising Attribution with Nathan Janos

A conversation with Convertro's Nathan Janos about methodologies used to help advertisers understand the affect each of their marketing efforts (print, SEM, display, skywriting, etc.) contributes to their overall return.

6 Jun 20141h 16min

[MINI] type i / type ii errors

[MINI] type i / type ii errors

In this first mini-episode of the Data Skeptic Podcast, we define and discuss type i and type ii errors (a.k.a. false positives and false negatives).

30 Mai 201411min

Introduction

Introduction

The Data Skeptic Podcast features conversations with topics related to data science, statistics, machine learning, artificial intelligence and the like, all from the perspective of applying critical thinking and the scientific method to evaluate the veracity of claims and efficacy of approaches. This first episode is a short discussion about what this podcast is all about.

23 Mai 20143min

Populært innen Vitenskap

fastlegen
rekommandert
tingenes-tilstand
rss-rekommandert
jss
sinnsyn
forskningno
doktor-fives-podcast
rss-paradigmepodden
vett-og-vitenskap-med-gaute-einevoll
katastrofe-i-hjernen
villmarksliv
nevropodden
pod-britannia
dekodet-2
fjellsportpodden
diagnose
tomprat-med-gunnar-tjomlid
tidlose-historier
noen-har-snakket-sammen