Categories

Popular Categories

Choose your desired courses

The world's largest selection of courses

Card image cap
HighestRated
All Levels
English Language

anthonia

4.4
(20,230)

$0 0

Card image cap
Bestseller
-20%
All Levels
Network +

Abiodun Joseph

4.4
(20,230)

$40000 50000

Card image cap
Featured
All Levels
Data Analysis

Bunmi Emmanuel

4.4
(20,230)

$0 0

Card image cap
HighestRated
All Levels
DataAI

Bunmi Emmanuel

4.4
(20,230)

$0 0

Start online learning

Enhance Your Skills with
Best Online Courses

Testimonials

Student's Feedback

Newsletter

Subscribe to newsletter

Stay in the know on new free e-book

Your information is safe with us! unsubscribe anytime.

7520

expert instructors

54,252

foreign followers

97,220

students enrolled

20

years of experience

By anthonia

English Language
HighestRated

Updated April 2026

  • 23 total hours

use of english

By Abiodun Joseph

Network +
Bestseller

Updated February 2026

  • 23 total hours
  • beginer

Introduction to Computer Networking

  • to be network engineer

By Bunmi Emmanuel

Data Analysis
Featured

Updated February 2026

  • 23 total hours
  • beginer

How to Document Your Data Analysis Report on GitHub (Step-by-Step) | Data Analysis Portfolio

By Bunmi Emmanuel

DataAI
HighestRated

Updated April 2026

  • 23 total hours
  • beginer

CompTIA DataAI (formerly DataX)

  • Statistical methods: applying t-tests, chi-squared tests, analysis of variance (ANOVA), hypothesis testing, regression metrics, gini index, entropy, p-value, receiver operating characteristic/area under the curve (ROC/AUC), akaike information criterion/bayesian information criterion (AIC/BIC), and confusion matrix. Probability and modeling: explaining distributions, skewness, kurtosis, heteroskedasticity, probability density function (PDF), probability mass function (PMF), cumulative distribution function (CDF), missingness, oversampling, and stratification. Linear algebra and calculus: understanding rank, eigenvalues, matrix operations, distance metrics, partial derivatives, chain rule, and logarithms. Temporal models: comparing time series, survival analysis, and causal inference.
s