Day 1: Understanding the Data Before Choosing the Story

Research Log
Dataset Exploration
Pacific Dataviz Challenge
The beginning of my research process for the Pacific Dataviz Challenge 2026.
Author

Matteo Arellano

Published

July 19, 2026

Today’s question

What data is available, and what kinds of questions could it genuinely help me answer?

What I am working on

Today, I am beginning my first exploration of the datasets available for the Pacific Dataviz Challenge 2026.

Before choosing a story or creating a polished visualization, I want to understand the evidence properly.

My first task is to identify:

  • What each dataset measures
  • What each row represents
  • Which countries, territories or communities are included
  • Which years are covered
  • Which variables could be useful
  • How much information is missing
  • Which datasets could potentially be connected

Why I am starting here

It would be easy to begin with an attractive map or chart. However, a visualization can look convincing while representing the data incorrectly.

I first want to understand what the datasets can support and what they cannot support.

Early observations

I will add my first observations here after inspecting the datasets.

WarningExploratory work

The ideas, calculations and visualizations documented during this phase are provisional. They may change as I improve the data cleaning and methodology.

Questions that emerged

I will record new questions here as I explore the data.

Next step

Create a dataset inventory covering the source, unit of analysis, geographic coverage, time period, important variables and possible uses of each dataset.