BootSelf
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bi-analyst

Numerical and categorical data

1 role need itUsually level 2: BasicsLesson available

Where it sits

Learn first

Nothing: a good place to start.

This skill

Numerical and categorical data

Leads to

DistributionsCategorical data visualizationDescriptive statisticsScatter plotHistograms and bar charts

Jobs that need it

What level 2 (Basics) means

Can use it with guidance. Level 3 (Working): uses it independently on the job.

Start learning

Numerical and categorical data

Descriptive statistics

about 9 min8 parts

Open the lesson

Find out where you stand

A free check, then a route that starts at your level.

Check my readiness

Learned alongside it

AirflowApply to a job with a CVAWS / Azure / GCPBasic Data CleaningBasics SQLCategorical data visualizationCCPACohort analysis: churn and retention by cohorts

Numerical and categorical data: common questions

What is Numerical and categorical data?

Numerical and categorical data is a skill in bi-analyst, needed by 1 role on BootSelf.

Which jobs need Numerical and categorical data?

Data Analyst. Most ask for level 2 (Basics): can use it with guidance.

What should I learn before Numerical and categorical data?

Nothing in particular: it's a good place to start.

How long does it take to learn Numerical and categorical data?

The starting lesson, Numerical and categorical data, takes about 9 minutes. Reaching the level a job asks for takes practice on top: BootSelf measures where you are and plans the rest.

How do I practise Numerical and categorical data?

Check your readiness for free, then BootSelf builds a route and short daily learning loops: a little theory, checks on what you get wrong, then a small program.