data-visualization

This article examines a study of how data visualization design changed over 12.5 years, including the impact of LLMs during the most recent 3.75 years.

1. Project Introduction and Objective In this project, I used Microsoft Excel and Power Query to clean and analyze a Jumia product dataset and then built an interactive dashboard to summarize pricing, discounts, ratings and customer engagement. The main objective was to turn a small raw e-commerce dataset into useful business information. I wanted the final dashboard to answer practical questions…

Turning Data Into Decisions Bar charts, histograms, scatter plots, subplots, and plotting straight from pandas Previously learned to draw a line — literally. we now know how to create a figure, style it, and save it. But real analyst work rarely stops at trends over time. You'll need to compare categories , understand distributions , spot relationships between variables , and show several views o…

This article introduces TSExplorer, an interactive tool that supports the exploration and annotation of time-series data.

Data visualization platform Tableau is one of the most widely used tools in the rapidly growing business intelligence (BI) space, and individuals with skills in Tableau are in high demand. In its Data Visualization Tools Market Report 2026 , released in July, The Business Research company forecast the global data visualization tools market would grow from $10.73 billion in 2026 to $17.33 billion …

arXiv:2608.24911v1 Announce Type: cross Abstract: Understanding patient trajectories and identifying patterns in episodes of care is critical for effective healthcare decision-making. We present a patient timeline visualization using clustered episodes of care derived from over 35 years of Child and Adolescent Mental Health Services (CAMHS) data. Patients were categorized into 12 groups based on …

Data visualisation sits at the intersection of two disciplines that rarely talk to each other: data and design. Meriem Benhabiles explores what changes when you bring structured UX thinking to dashboards and data presentations, from the questions you ask before opening any tool to the decisions that determine whether an insight actually lands.

Maps remain one of the most common visualizations in news code. In a collection that will grow over time, we're gathering up project walkthroughs and Learning pieces focused on making maps that are clear, nuanced, and useful.

Everything you need to know about making good charts, and getting better at making good charts.

The daunting complexity of biological data requires tailored visualisation tools to reveal buried insights.

By the end of this guide you will have a published Tableau dashboard and a three-point story, built on a real dataset. It lives on a public URL you can put in an application. You build four small sheets. Each one makes exactly one point. You arrange them on a single screen, then walk a reader through them in three steps that end with a recommendation. Every step says what to click and what you sh…

Series: 30 Days of Power BI | Day 1 of 30 Level: Beginner | Read time: ~8 minutes You've heard the term. Now let's make it click. If you've spent any time around data, analytics, or business intelligence, you've probably heard someone mention Power BI. Maybe your manager asked for a "Power BI dashboard." Maybe you saw it on a job posting. Maybe you're just curious what it actually does . By the e…

Transforming geospatial textual data into narrative storytelling visualization Ma, Ruixian Current large language models (LLMs) often struggle to integrate geospatial data into dynamic, interactive visualizations, relying instead on text-based outputs. This limitation hinders the full potential of geospatial data to convey complex information through narrativedriven communication, making it diffi…

How to make amazing dashboards to easily power alpha analysis. PCA isolates the statistical return drivers of a portfolio.

Registration Deadline: February 1 Register NOW Do U Love Data? Join the Data CommUnication Challenge for Love Data Week! If you think you can turn data into a story that captivates and informs audiences, we want to see it! Marking the end of Love Data Week, the Data CommUnication Challenge invites undergraduate and graduate students […]