Field notes, with sources.

Tableau to Power BI, and back: the translation table

Most Tableau calculations cross to Power BI in one line, and the ones that quietly change a number cross just as easily.

How I run a migration without moving the numbers

Seven phases and one rule: nothing switches off until the numbers match, or until each difference has a name and an owner.

What a BI director actually decides

Five decisions set whether BI pays back, and none of them is a feature.

Write the sentence before the chart

A dashboard earns its place by stating a verdict, a threshold and the evidence; here is the method, worked on 21,940 bachelor's programs.

Under the Tableau canvas

Filter order, set actions, schema drift and a twelve-node cluster: the mechanics a Tableau-to-Power BI migration has to carry across.

The quiet dashboard

Beauty in BI is compression: fewer marks, three type roles, one accent, and a colour test the old dossier failed.

The cheapest way to host a website in 2026

A static site can cost nothing to host; here are prices and limits as checked on 17 October 2026, and three traps this site hit.

Your filter fixed the view and changed the KPI

Six synthetic rows show one Tableau formula that should return 30%, 60%, 75% or 100% for the same selections, per Tableau's documented filter order.

Kansas real estate exam: a study map

A side project that reads a licensing exam like a weighted dataset: two tracks, thirteen topic areas, 39 checks with source links, and one number it refuses to fake.

What Kansas City 311 stopped measuring

Kansas City's 311 switch, read from its open data, shows seven checks that make a silent KPI change visible.

We audited our own portfolio: 149 claims, 11 held

Before advising anyone on their numbers, I checked 149 data claims on my old portfolio against the public record.

Which Degrees Pay the Debt Back

Four true answers from one federal file, and the quiet choices that decide which one reaches the board.

92 Years of Kansas City Weather

One airport station, 31,036 days of highs and lows, and five habits that keep a long trend line honest.

Nine executive Power BI themes

Nine theme files, valid against Microsoft's theme schema and checked for contrast, colour blindness and the schema's blind spots.

Can a model feel twilight? An AI creativity benchmark

One core brief went to twelve AI setups; this informal study looks at what they built, what they tested, and what one build costs a GPU.

Checking a migration: pbi-doctor and SchemaDrift

One tool reads the new Power BI report; the other asks whether the data survived the move.

plotly_hierarchy and TabML: Tableau habits outside Tableau

Drill-down in a single HTML file, and a scoring service built so Tableau authors cannot run arbitrary code.