Test yourself with the skills you have acquired so far
Who uses SQL for which purpose?

What is SQL used for?

Which keywords can start a SQL statement?

Why is version control important?

Who can use GitHub?

What is a branch?

How many windows does the working environment of R studio consist of?

R script allows you to:

Do you use the command to create a pie chart in R?

LDA is a statistical technique that allows for:

Assumptions required to apply LDA for predictive purposes are:

Surveys based on samples:

Sample size is affected by:

Proportional allocation distributes sample size across strata basing on: