Articles

Learn charting, statistics, and data analysis through practical examples

Sakura Chart Guides

Turn data into clear, meaningful charts

Explore chart basics, statistics, Python, and real-world data analysis. Choose a category below to find the guide you need.

Chart basics

A sample comparing several chart types

Chart types and how to choose

Compare common chart types and learn which one fits your purpose. Read article →
A scatter plot colored by group

What is a scatter plot?

Learn how scatter plots reveal relationships and correlation between two variables. Read article →
A line chart with multiple series

What is a line chart?

Learn how to show change over time and compare multiple series. Read article →
A bar chart comparing categories

What is a bar chart?

Learn how bar charts compare values across categories. Read article →
A histogram showing the distribution of test scores

What is a histogram?

Learn to read numeric distributions and choose bins, density, and cumulative settings. Read article →
Box plots grouped by category

What is a box plot?

Read distributions through medians, quartiles, ranges, and outliers. Read article →
A pie chart showing composition

What is a pie chart?

Learn when pie charts work well and how to avoid misleading comparisons. Read article →
A combination chart showing sales and profit margin

What is a combination chart?

Combine bars, lines, and two axes to compare metrics in one chart. Read article →
A contour plot of temperature using an individual range

What is a contour plot?

Visualize X-Y-Z data and compare shared and individual color ranges. Read article →

Statistics and programming

A statistical comparison using multiple box plots

Statistics basics: mean, variance, p-values, and regression

Review the core measures and ideas used in data analysis with formulas and examples. Read article →
A chart created with Matplotlib

Matplotlib basics: creating charts with Python

Learn the basic Python code for creating, customizing, and saving charts. Read article →

Real-world data analysis

A chart comparing compound investment growth at different assumed returns

Calculating and charting compound investment returns

Use a geometric-series formula and simulations to compare principal with assumed returns. Read article →
Line charts of temperatures in cities around the world

Comparing annual temperatures across 10 cities

Compare temperature trends to reveal regional differences and seasonality. Read article →
A scatter plot of latitude and annual mean temperature at 47 locations in Japan

Can latitude predict average temperature?

Compare regression models using latitude, elevation, longitude, and JMA climate normals from 47 locations. Read article →
A bar chart comparing average income by country

Average income trends by country and decade

Visualize differences in dollar-based income data across countries and decades. Read article →
A line chart highlighting average income trends in Japan

Why does income growth in Japan appear stagnant?

Examine Japanese income data through nominal values, exchange rates, and comparisons. Read article →
Charts showing the relationship between weight and calories burned

Comparing body weight and calories burned by sex

Use LEVEL coloring and small multiples to make group differences easier to see. Read article →
Industrial Production Index trends by industry

Visualizing the Industrial Production Index by industry

Use Japanese government Excel data to compare industrial trends at a glance. Read article →

Science and experiments

A graph of free fall with air resistance

Free fall and air resistance

Compare how falling motion changes with and without air resistance. Read article →
A graph of free-fall position by initial velocity

Free fall with an initial velocity

Visualize changes in position and velocity for different initial speeds. Read article →
A graph comparing speed at different slope angles

Speed changes on an inclined plane

Change slope angle and mass to explore how the speed changes. Read article →
Titration curves for different acid-base combinations

How to create acid-base titration curves

Compare pH changes for different acid-base combinations with titration curves. Read article →

Using Sakura Chart

Multiple consistent charts created from Excel data

Five ways to create many charts in Excel

Compare copying, templates, VBA, and Office Scripts for producing consistent charts efficiently. Read article →
A chart comparison between Excel and Sakura Chart

Excel vs. Sakura Chart

Compare their workflows and strengths to choose the right chart-making approach. Read article →
A dog drawn with coordinate art

Coordinate art: a cherry blossom and a dog

Draw coordinate data as lines to create cherry blossom and dog illustrations. Read article →