Power BI Wiki

Build Power BI the way it should work.

Four stages, from raw data to a report people trust. Each one gets its own chapter.

  1. acquire
  2. transform
  3. model
  4. report
chapter one · acquire

It starts scattered.

A CSV here, a database there, a spreadsheet called “final_v3”. Every source is written down with what it holds and who owns it, so nothing arrives by surprise.

chapter two · transform

Then the mess is cleared.

Profile it, clean it, shape it. Each step is kept, so you can see exactly what happened to the data.

chapter three · model

It fits together.

One fact table, the things that describe it around it. Logic is written once, here.

Touch a table to see what it does in the model.
chapter four · report

And the report is the easy part.

Visuals read from the model, so every report agrees with every other one.

how it can be done

The same four stages, done properly.

Every guide on this site belongs to one of these stages, so you can learn in the order the work is done.

  1. acquire

    Know every source

    Each source gets its own documented home: what it holds, how often it changes, who to ask. Described with ICM, so people and AI agents read it the same way.

  2. transform

    Shape it once, upstream

    Cleaning happens before the model, in steps you can read back, not in a report filter nobody remembers.

  3. model

    Make the model the product

    A star schema, clear relationships, measures that explain themselves. This is where most of the effort belongs.

  4. report

    Keep reports thin

    Reports connect to the shared model and hold no business logic of their own.

proof

Every claim has a source.

Each guide is built from public videos, with the teacher named and a timestamp link for every specific point. The Sources box at the end opens the exact moment, so you can check the reasoning instead of taking my word for it.

Why a star schema?
teachers: 6
sources: 19
status: published
Read the guide
guides and resources

Learn it stage by stage.

model · start here · guide

Why a star schema?

One fact table, the dimensions around it, and the honest answer on speed.

The videos behind these guides: all resources

when you want a hand
Paul MacLennan

Your model, looked at properly.

If the guides got you most of the way and you want a second pair of eyes on your own model, I can help with that too.

Talk about your model