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

複数のグラフを比較したサンプル

Chart types and how to choose

Compare common chart types and learn which one fits your purpose. Read article →
グループ別に色分けした散布図

What is a scatter plot?

Learn how scatter plots reveal relationships and correlation between two variables. Read article →
複数系列の折れ線グラフ

What is a line chart?

Learn how to show change over time and compare multiple series. Read article →
カテゴリーを比較する棒グラフ

What is a bar chart?

Learn how bar charts compare values across categories. Read article →
テスト得点の分布を示すヒストグラム

What is a histogram?

Learn to read numeric distributions and choose bins, density, and cumulative settings. Read article →
グループ別の箱ひげ図

What is a box plot?

Read distributions through medians, quartiles, ranges, and outliers. Read article →
構成比を示す円グラフ

What is a pie chart?

Learn when pie charts work well and how to avoid misleading comparisons. Read article →
売上と利益率を示す複合グラフ

What is a combination chart?

Combine bars, lines, and two axes to compare metrics in one chart. Read article →
温度データを個別レンジで表示したコンター図

What is a contour plot?

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

Statistics and programming

複数の箱ひげ図による統計比較

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

Review the core measures and ideas used in data analysis with formulas and examples. Read article →
Matplotlibで作成したグラフ

Matplotlib basics: creating charts with Python

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

Real-world data analysis

積立投資の想定利回り別比較グラフ

Calculating and charting compound investment returns

Use a geometric-series formula and simulations to compare principal with assumed returns. Read article →
世界の都市別気温を示す折れ線グラフ

Comparing annual temperatures across 10 cities

Compare temperature trends to reveal regional differences and seasonality. Read article →
国別の平均年収を比較する棒グラフ

Average income trends by country and decade

Visualize differences in dollar-based income data across countries and decades. Read article →
日本の平均年収推移を強調した折れ線グラフ

Why does income growth in Japan appear stagnant?

Examine Japanese income data through nominal values, exchange rates, and comparisons. Read article →
体重と消費カロリーの関係を示すグラフ

Comparing body weight and calories burned by sex

Use LEVEL coloring and small multiples to make group differences easier to see. Read article →
鉱工業指数の業種別推移

Visualizing the Industrial Production Index by industry

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

Science and experiments

空気抵抗がある自由落下のグラフ

Free fall and air resistance

Compare how falling motion changes with and without air resistance. Read article →
初速度別の自由落下位置を示すグラフ

Free fall with an initial velocity

Visualize changes in position and velocity for different initial speeds. Read article →
斜面角度ごとの速度を比較するグラフ

Speed changes on an inclined plane

Change slope angle and mass to explore how the speed changes. Read article →
酸と塩基の組み合わせ別の中和滴定曲線

How to create acid-base titration curves

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

Using Sakura Chart

Excelデータから同じ形式のグラフを複数作成した例

Five ways to create many charts in Excel

Compare copying, templates, VBA, and Office Scripts for producing consistent charts efficiently. Read article →
Excelと桜チャートのグラフ比較

Excel vs. Sakura Chart

Compare their workflows and strengths to choose the right chart-making approach. Read article →
座標アートで描いた犬

Coordinate art: a cherry blossom and a dog

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