The public critique in week six was the point. I had been smoothing a D7 line that only existed for users with a saved trip. I still found the SQL pre-work denser than the course card implied.
Flagship course
Cohort Cartography
Eight weeks of drawing who stays, who was never in the population, and which App Analytics number is only an average wearing a suit. Taught as a Mapped Term. Informational fee: £720, invoice after we accept the letter.
What you leave with
Outcomes we will mark
- A four-plate Cohort Atlas for one product you name at the start.
- A dated kill-list of events and properties that should not survive the next quarter.
- A stakeholder letter whose first paragraph contains a limitation.
- Spoken fluency with windows (D1, D7, billing cycle) so you stop mixing them in the same sentence.
We will not certify you as an engineer. SQL appears, but as a reading skill. If your warehouse is a locked door, say so in the application; we have lent datasets for that case.
Modules
The eight sittings
01
Inventory without folklore
What the SDK actually emits. Staff traffic, QA devices, and the “internal” event that pollutes every chart.
02
Populations and polite averages
Why a blended retention curve is a political object. First-open versus first-value. Paid versus organic inks.
03
Windows, not moods
Choosing D1, D7, D28, or a billing plate. The damage done by mixing them in one board slide.
04
Event taxonomy under pressure
Versioning, deprecation, and the meeting where marketing refuses to rename complete.
05
False cliffs
Funnel integrity borrowed from the laboratory course: double-fires, missing screens, time zones.
06
Public critique
Your unfinished map, in front of twelve people. The group is instructed to say what the drawing hides.
07
The claim plate
One sentence, one limitation, one audience. Practice with a sceptical partner in the room.
08
What you refuse to plot
Closing sitting. You present the kill-list and the legend. We mark completeness, not confidence.
Tutor
Niamh Calder
Former analytics lead at a travel marketplace, now the named tutor for Cohort Cartography. She marks maps, not decks. Students who need SQL hand-holding will find her patient until week three, after which she expects you to say when you are stuck rather than hide a guessed join.
Fee
Informational only
Mapped Term for this syllabus is listed at £720. Open Atlas notes without the live room are £190. Neither can be purchased through this page. Published fees and the refund notice apply. VAT appears on invoices where United Kingdom law requires it.
Write for a placeQuestions we actually get
Do I need to bring my employer’s data?
Preferably. If legal or security will not allow a sample to leave the building, we lend a sanitised travel-marketplace extract and a grocery extract. You will learn the method; you will not finish a map of your own app, and we say that limitation in the welcome letter.
How technical is week three?
More than the listing used to admit. You should be able to read a grouped query, even if you cannot write one fluently. People who cannot get any warehouse access at all struggle here; that is a real limitation of the course, not a branding oversight.
Is there a certificate?
A letter of completion naming the plates you submitted. Not a university award, not a vendor badge.
What if I miss a live room?
Recordings exist. Critique week cannot be done from a recording; if you miss that sitting we move you to the next term or apply the refund rules, depending on when you write.
From recent terms
Niamh would not let us put a halo metric on plate IV. That annoyed me in the room and helped me in the board pack two weeks later.