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How to Fix the 'HTTP Bad Request' Error When Publishing to Tableau Server

Troubleshooting

How to Fix the 'HTTP Bad Request' Error When Publishing to Tableau Server

When publishing a workbook created in Tableau Desktop to Tableau Server or Tableau Cloud, you may encounter the following error message, and the publishing process will stop. Unexpected Error An error occurred while publishing the workbook. Error Code: 0505B44A HTTP bad request This error primarily occurs when the 'Project

How to Name Dashboard Charts Like a Pro

How to Name Dashboard Charts Like a Pro

When building a dashboard or creating charts, we often spend an unnecessary amount of time figuring out what to name our sheets rather than focusing on the actual data visualization. To save you from this hassle, we have put together a straightforward, standardized naming guide. The Perfect Basic Formula The

How to Fix Data Blending Error with Logical Tables in Tableau

Troubleshooting

How to Fix Data Blending Error with Logical Tables in Tableau

"Data sources that contain logical tables cannot be used as secondary data sources for data blending." This error occurs because Tableau's newer data model, Relationships (logical layer), conflicts with the older method of combining data known as Data Blending. In a data blend, the secondary data

How to Create Jitter Plot in Tableau

How to Create Jitter Plot in Tableau

When visualizing a large number of individual data points on a single axis in Tableau, "overplotting" commonly occurs, where data points with the same values overlap and cluster together. When points overlap in a straight line and look like a thick column, it is difficult to identify the

What is Scrollytelling?

What is Scrollytelling?

In the world of data visualization, going beyond simply displaying data to delivering a clear message and immersing the reader is a significant challenge. Today, let’s talk about one of the most effective data storytelling techniques: Scrollytelling. Defining Scrollytelling Scrollytelling is a portmanteau of 'Scroll' and '

Miracle in a Box

Challenge Featured

Miracle in a Box

Climate change is a daily reality for millions of smallholder farmers in India. This visualization tells the story of how Kheyti is transforming lives with a simple "Greenhouse-in-a-Box." Challenge Kheyti | Data ChangemakersA decade of growth, visualizedData Changemakers Related Concepts What is Scrollytelling?In the world of data visualization,

The Most Valuable Brand Shuffle (2022–2026)

Based on the 'Global 500 2026' report published by Brand Finance, we visualized the ranking evolution of the world's top 10 most valuable brands over the past 5 years (2022–2026). 1. Apple Maintains Top Spot Apple has consistently maintained the No. 1 position in brand

Improving the Readability of Overlapping Line Charts in Tableau

Improving the Readability of Overlapping Line Charts in Tableau

When creating multiple line charts, lines often converge or overlap in certain areas, making it difficult to read individual data values. By default, hovering over a line only reveals the value for that single item. This means users have to frustratingly navigate their mouse through narrow gaps just to compare

The World's Richest 2026: The Gap at the Top

The World's Richest 2026: The Gap at the Top

We visualized the top 10 billionaires based on Forbes' Real-Time Billionaires List as of February 3, 2026. Elon Musk stands in a league of his own. With a net worth exceeding $768 billion, he has created a massive gap between himself and the runner-up, Larry Page, effectively doubling the

Tableau Prep Guide

Tableau Prep Guide

In data analysis projects, it is often said that Data Preparation accounts for 80% of the total time spent. While transforming raw data into an analysis-ready format is essential, it is also a repetitive and time-consuming task. In this post, we will introduce Tableau Prep, a tool that revolutionizes the

Boy or Girl? Visualizing Global Child Gender Preferences (2024)

Boy or Girl? Visualizing Global Child Gender Preferences (2024)

We visualized data from the Gallup International End of Year Survey 2024, which polled approximately 45,000 people across 44 countries. The survey posed a simple yet revealing question: "Suppose you could have only one child. Would you prefer that it be a boy or a girl, or is

Tableau Server Guide: Architecture & Core Process

Tableau Server Guide: Architecture & Core Process

When operating Tableau Server, you may encounter various technical issues, such as slow dashboard loading speeds or extract refresh failures on specific nodes. To resolve these problems based on logic rather than intuition, it is essential to accurately understand how Tableau Server works internally—specifically, its Architecture. In this post,

The Top 10% of Users Produce 73% of All Comments

The Top 10% of Users Produce 73% of All Comments

Naver news comment activity is far more concentrated than it appears. According to a 2020 SBS analysis, the top 10% of users produced 73% of all comments, and the top 1% accounted for 25%. Most users contributed very little, resulting in a structure where a small group drives the majority

Using Treemap Chart in Tableau

Using Treemap Chart in Tableau

Treemap chart is a highly efficient way to display data within a limited space. By leveraging the size and color of each rectangle, it communicates both proportion and pattern at once, while clearly visualizing hierarchical relationships within the data. In this post, we’ll explore how to use treemap charts

How to Add Pagination in Tableau

How to Add Pagination in Tableau

When a dashboard contains too many items to display at once, showing all the data on a single screen can be visually overwhelming and make exploration difficult. In such cases, applying a pagination approach allows you to divide the data across multiple views for a cleaner and more organized presentation.

Smartphone Launch Trend Analysis

Smartphone Launch Trend Analysis

In the smartphone market, even within the same brand, models with different prices and features are released throughout the year. Because each brand targets different customer segments, launch timing and price positioning often follow a recognizable pattern. The goal of this dashboard was to help identify those patterns at a

Tableau API Guide

Tableau API Guide

Tableau offers a variety of APIs for different purposes such as automation, integration, and extension. However, because there are so many API types—each with its own goals—it can be difficult for first-time users to decide which API to use. This post briefly introduces Tableau’s APIs and summarizes

Tableau Dashboard Action Execution Order

Tableau Dashboard Action Execution Order

When setting up dashboard actions in Tableau, you might sometimes create multiple actions with the same trigger condition. For example, both actions may filter by the Category field, but each targets a different dashboard. Action NameTrigger ConditionTarget Sheet (or Dashboard)Action AOn selecting CategoryTarget AAction BOn selecting CategoryTarget B In

How to Create Rounded Bar Chart in Tableau

How to Create Rounded Bar Chart in Tableau

When visualizing data in Tableau, the basic bar chart is one of the most commonly used chart types. However, even a slight variation in its form can create a completely different impression. Among these variations, the Rounded Bar Chart is a great way to display data values clearly while giving

How to Import Different Tables from One Excel Sheet into Tableau

How to Import Different Tables from One Excel Sheet into Tableau

Users who are accustomed to Excel’s high degree of flexibility often store different types of tables within a single worksheet. While the standard approach for importing such data into Tableau is to separate each table into its own worksheet, you can instead use Excel’s Name Manager feature to

Showing the Difference Between Two Points in a Tableau Line Chart

Showing the Difference Between Two Points in a Tableau Line Chart

When working with a line chart, you may sometimes want to know the difference between two points. In such cases, you can use Tableau’s parameter actions to capture date values and apply them in conditional logic to display the rate of change directly on your dashboard. In this example,

Using Map Chart in Tableau

Using Map Chart in Tableau

Map chart are one of Tableau’s strengths and are highly useful for visualizing data that includes country or regional values. However, because map charts inherently convey geographic information in addition to the user’s data, they can be somewhat more restrictive compared to other chart types. In this post,

Drawing Origin–Destination Paths in Tableau

Drawing Origin–Destination Paths in Tableau

In Tableau’s map charts, you can not only visualize the locations of individual points but also draw connecting lines between them. This feature is particularly useful for showing relationships between countries or visualizing movement paths between locations. However, it requires that you have the latitude and longitude information for

World Happiness Report 2025

Gallery Featured

World Happiness Report 2025

The World Happiness Report ranks countries by life satisfaction. This 2025-based dashboard lets users explore each country's trends, emotions, benevolence, and key factors. It features a redesigned layout for clearer communication.

How to use Custom Number Formatting in Tableau

How to use Custom Number Formatting in Tableau

When building visualizations in Tableau, there are times when you need precise control over how numbers are displayed. For example, you may want to simplify figures by displaying them in millions, add specific suffixes, or format negative numbers with parentheses. To meet these needs, Tableau provides the Custom Number Formatting