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Tips & Tricks

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,

Chart Guide

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,

Tips & Tricks

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

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.

Knowledge Base

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

Knowledge Base

Why Is Serial Number 1 Dated December 31, 1899?

When converting a date to a number in Excel, Google Sheets or Tableau, you'll notice that the value 1 represents a specific point in time. In Excel, that number corresponds to January 1, 1900, but in Google Sheets and Tableau, it points to December 31, 1899. Why do

Knowledge Base

What is Tableau Next?

An introduction to Tableau Next, the newly released analytics platform from Tableau.

Tips & Tricks

Hiding Date Field Drill-Down in Tableau

When a dashboard is built based on a specific date aggregation level, you can use Tableau’s custom date feature to prevent the drill-down button from appearing.

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Chart Guide

How to Create Gauge Chart in Tableau

A gauge chart is a great way to visualize where a current value falls within a defined range at a glance. This guide walks you through how to create one in Tableau.

Tips & Tricks

Using Date Parameter in Tableau

This article covers key points to keep in mind when working with date parameters in Tableau, especially given the wide variety of user needs.

Gallery

Population Pyramid of South Korea

This chart shows the projected changes in Korea's population by age group from 2022 to 2072, based on data from Statistics Korea.

Tips & Tricks

Adding Country Flag Icons in Tableau

This guide explains how to add flag images in Tableau using its feature that allows dynamic image insertion.

Knowledge Base

Why "No." is the Abbreviation for "Number"

In our daily lives, we often see "Number" abbreviated as "No.". For example, when creating a list or indicating order, we use "No. 1," "No. 2," and so on. But if you look closely, the word "Number" doesn't contain the letter 'o' at all. So, why did "No." become the abbreviation for "Number"?

Chart Guide

How to Create Radar Chart in Tableau

This article explains how to create a radar chart (also known as a spider chart), which is useful for identifying the characteristics of different items.

Knowledge Base

Using Date Constants in Tableau Calculated Fields

This is a method you can use when writing calculated fields that compare against a specific date.

Challenge Featured

Documentary Boom

Documentary has rapidly grown to become the second-largest film genre. Despite this, voter participation remains low. With better promotion and access, the genre has strong potential for further growth.

Knowledge Base

Difference Between Top and Bottom Date Aggregation Options in Tableau

This post explains the confusing aggregation options that often appear when working with date fields in Tableau.

News

Korea’s Elderly Poverty: A Call for Policy Rethink

South Korea, facing the highest old-age poverty rate in the OECD, is considering extending the retirement age. Drawing on past experience and Japan’s gradual reforms, a careful approach is needed—one that includes wage system changes and flexible reemployment policies.

Chart Guide

How to Create Waffle Chart in Tableau

This guide shows you how to create a waffle chart in Tableau—a useful visual for understanding what share a particular item holds in the overall market.

News

Korean Companies Refuse to Share the Wealth

The failure of Korea’s Commercial Act amendment has once again raised concerns about the country's weak shareholder return practices. In response, major institutions are calling for stronger corporate governance and better returns for investors.

Knowledge Base

Difference Between Blue and Green Fields in Tableau

Many people assume that blue fields are dimensions and green fields are measures. While this assumption often holds true, it’s not technically accurate. In this post, we’ll break down what these colors actually mean and how understanding them can improve your visualizations.

News

Automobiles & Semiconductor Parts Drive Growth Amid Rising AI Demand

In 2024, Korea’s exports to the United States reached $127.8 billion, an increase of 10.4% compared to the previous year — the highest figure ever recorded. The U.S. remained Korea’s second-largest export market, accounting for 18.7% of the total export volume.

Tips & Tricks

Trellis Arrangement in Tableau

This is a useful technique when there are too many items to display in a single row or column, making it difficult to compare them effectively.

News

Trump’s 25% Tariff on South Korea: Fair or Unfair?

In April 2025, the United States announced a 25% tariff on Korean imports, once again escalating trade pressure on South Korea. The move was justified under the banner of “correcting trade imbalances,” a core message of former President Donald Trump during his time in office.

Knowledge Base

Understanding FIXED LOD Expressions in Tableau

LOD expressions allow you to perform calculations at a specific level of granularity, independent of the aggregation level currently used in your visualization. Among them, FIXED is a particularly useful function that lets you fix aggregations at a dimension level defined by the user.