Video | Tableau | Data visualisation | Tool strategy

My first hour with Google Data Studio

I'd never opened Google Data Studio before, so I hit record and tried to rebuild a Tableau dashboard from scratch to see how it feels as a Tableau user.

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  • Data Studio is entirely browser-based and free to start, with native connectors to Google data sources like YouTube analytics plus a large library of partner and open-source connectors built right into the product.
  • It does not connect to Excel files directly through the web uploader, so you need to convert to CSV (or route via Google Sheets) before uploading.
  • Boolean logic must be written with a CASE WHEN statement rather than a simple greater-than expression, and the community documentation was essential for working that out.
  • Themes and layout hints are genuine strengths over Tableau, letting you restyle a whole dashboard in a click while still respecting manual colour choices, and snapping objects into alignment.
  • Number formatting (currencies, percentages, compact thousands/millions) lives in the field definition rather than directly on the chart, which is less intuitive coming from Tableau.

Tim rebuilds a familiar Tableau profitability dashboard in Google Data Studio for the first time, unscripted, to see how it actually feels to a long-time Tableau user rather than reading a feature comparison.

He starts from a Tableau Superstore profitability dashboard he knows well and tries to recreate it in Data Studio from scratch, with no prior experience of the tool. He works through connecting data, building charts, writing calculations, colouring a map and formatting numbers as problems come up.

The Breakdown
  1. Sign up and explore the interface blind 2:18

    He signs up free and deliberately avoids following a tutorial, instead poking around sample dashboards and settings to get a feel for the tool as a brand-new user would.

  2. Check what data sources are natively supported 5:10

    Data Studio has strong native connectors into Google's own data (Analytics, YouTube, Cloud databases) plus a large library of partner and community connectors, which is a real advantage if your data already lives in the Google ecosystem.

  3. Get non-Google files in via CSV or Sheets 7:38

    There's no direct Excel upload through the web connector; you either convert the file to CSV first or route it through Google Sheets. This is a hard prerequisite if you're bringing in a spreadsheet from outside Google's world.

  4. Build a chart and drop straight into Google Maps 11:08

    Once connected, dragging a geographic field onto a map chart pulls in native Google Maps automatically, which he found a genuine strength over building maps manually.

  5. Write Boolean logic as CASE WHEN, not as a comparison 18:21

    A simple 'profit > 0' expression is rejected as an unsupported operator; the fix, found only via community documentation, is to wrap the logic in a CASE WHEN...THEN...ELSE...END statement. This is a required syntax pattern, not a style choice, if you want conditional true/false fields in Data Studio.

  6. Break down charts using filters, not just dimensions 33:45

    To split a chart by category when adding the field directly didn't do what he expected, he instead builds separate filters (e.g. one per category) and duplicates the chart, applying a different filter to each copy.

  7. Colour a map by a calculated ratio 40:44

    To shade the map by profit ratio rather than a raw dimension, he creates the ratio as its own calculated field first, then drops that field onto the chart's colour encoding, where you can also set custom min/max colour values.

  8. Number formatting lives on the field, not the chart 48:18

    Getting a value to show as a percentage or currency, or numbers to compact to thousands/millions, means editing the field definition itself rather than a chart-level format option — noticeably less intuitive coming from Tableau, where formatting sits on the pill or chart directly.

Worth Knowing
  • Themes and layout snapping let you restyle or realign an entire dashboard in one click while still respecting any manual colour choices you've made.
  • Fonts come from the Google Fonts API, giving a noticeably wider range than Tableau's font options.
  • He hit real bugs and lag during the session (an undo button that didn't work, filters behaving unexpectedly) which he attributes partly to his laptop and browser load rather than the tool itself, but flags as worth being aware of.
  • Community documentation, not the official docs, was what actually solved his Boolean formula problem — official help wasn't the fastest route to an answer.
Use It When

Reach for Data Studio if your data and workflow already sit inside Google's ecosystem (Analytics, YouTube, Sheets, Cloud) and you want free, browser-based reporting with easy theming; expect a learning curve and some workaround-hunting if you're coming from Tableau and want parity on calculations or formatting.

How this Rollup was made provenance & method

A Rollup is drafted by AI from the video's transcript, then reviewed and edited by Tim. Everything used to produce this one is listed below — the model, the exact prompt, and the source video — so the process is transparent and reproducible.

Transcription
On-device — NVIDIA Parakeet v3 for recent videos, OpenAI Whisper large-v3 for earlier ones. The transcript never leaves the machine or gets published.
Drafting
Claude Sonnet 5 in the cloud, from that transcript.
Prompt
The exact Rollup prompt (v2) — the full system prompt, unedited.
Source video
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Drafted
5 July 2026 at 09:38
Reviewed & edited
5 July 2026 at 09:41 · by Tim Ngwena

Model + prompt + video is everything you'd need to recreate a Rollup like this yourself. The one thing we don't share is the transcript.

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