Found a total of 10000 related content
How to make a pie chart in Excel
Article Introduction：This Excel pie chart tutorial guides you through creating and customizing pie charts. Learn to build effective pie charts, avoiding common pitfalls.
Pie charts, also called circular graphs, visually represent proportions of a whole. Each slice repr
2025-04-27
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how to make pie chart in excel
Article Introduction：The article details steps to create and customize pie charts in Excel, focusing on data preparation, chart insertion, and personalization options for enhanced visual analysis.
2025-03-14
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979
Getting Started With Chart.js: Pie,?Doughnut, and Bubble Charts
Article Introduction：This tutorial will explain how to create pie, ring, and bubble charts using Chart.js. Previously, we have learned four chart types of Chart.js: line chart and bar chart (tutorial 2), as well as radar chart and polar region chart (tutorial 3).
Create pie and ring charts
Pie charts and ring charts are ideal for showing the proportions of a whole that is divided into different parts. For example, a pie chart can be used to show the percentage of male lions, female lions and young lions in a safari, or the percentage of votes that different candidates receive in the election.
Pie charts are only suitable for comparing single parameters or datasets. It should be noted that the pie chart cannot draw entities with zero value because the angle of the fan in the pie chart depends on the numerical size of the data point. This means any entity with zero proportion
2025-03-15
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Rotate charts in Excel - spin bar, column, pie and line charts
Article Introduction：This article will guide you how to rotate a chart in Excel. You'll learn how to rotate bar charts, bar charts, pie charts, and line charts, including their 3D variants. Additionally, you will learn how to reverse the drawing order of values, categories, series, and legends. For users who frequently print charts, this article will also introduce how to adjust the printing direction of a worksheet. Excel makes it very easy to represent table data as a chart or graph. You just select the data and click on the appropriate chart type icon. However, the default settings may not meet your needs. If your task is to rotate a chart in Excel to rearrange slices, bars, bars, or line charts of a pie chart, this article will help you. - Rotate the pie chart to any angle
- Rotating 3D diagram
2025-05-19
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699
10 Helpful CSS Graph and Chart Tutorials and Techniques
Article Introduction：Ten tips and tutorials for creating charts and graphics using CSS
Key points:
CSS is a powerful tool for creating interactive, visually engaging charts and graphics that reduce bandwidth requirements and are easy to download.
This article provides 10 tutorials and tips for creating charts and graphics using CSS, including cool animated pie charts, 3D bar charts, and easy-to-access data visualization.
Creating a CSS chart requires understanding of HTML and CSS, using the "div" element as the chart container, using CSS for style, and using the "data-" attribute to store the chart data. Various CSS techniques can be used to make the chart responsive, animated, and tagged.
Cascading Style Sheets (CSS) is a markup language used for descriptions
2025-02-28
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How to Draw Bar Charts Using JavaScript and HTML5 Canvas
Article Introduction：In an earlier tutorial, we covered how to draw a pie chart or doughnut chart using HTML5 canvas. In this tutorial, I will show you how to use JavaScript and the HTML5 canvas to graphically display data by using bar charts.What Is a Bar Chart?Bar char
2025-03-02
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1056
How to Create Data Visualizations with Matplotlib in Python?
Article Introduction：This article guides users on creating data visualizations using Python's Matplotlib library. It covers installation, data handling (lists, NumPy arrays, Pandas DataFrames), common chart types (line, scatter, bar, histogram, pie, box plots), and best
2025-03-10
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How to make a bar graph in Excel
Article Introduction：This tutorial shows you how to create and customize bar graphs in Excel, including sorting data automatically. We'll cover creating various bar chart types, adjusting bar width and colors, and handling negative values.
Bar graphs, alongside pie char
2025-04-27
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554
What is the analysis chart of Bitcoin finished product structure? How to draw?
Article Introduction：The steps to draw a Bitcoin structure analysis chart include: 1. Determine the purpose and audience of the drawing, 2. Select the right tool, 3. Design the framework and fill in the core components, 4. Refer to the existing template. Complete steps ensure that the chart is accurate and easy to understand.
2025-04-21
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344
how to make a line graph with two y-axes in excel
Article Introduction：The key to making a double Y-axis line chart in Excel is data organization and chart settings. First, prepare two sets of data with different units or large numerical differences, such as temperature and sales volume, and arrange them in columns; secondly, insert the line chart and click any line, right-click to select "Set Data Series Format" and check "Sub-Coordinate Axis", or set the combination chart by "Change Chart Type". Finally, adjust the style, including using different colors to distinguish two lines, marking the Y-axis units, changing one of the groups into a bar chart if necessary, and manually adjusting the numerical range of the secondary coordinate axes to avoid overlapping the figures, so that the chart is clear and easy to read.
2025-07-06
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267
Creating Charting Directives Using AngularJS and D3.js
Article Introduction：Core points
D3.js is a JavaScript library that can be used in conjunction with AngularJS to create interactive real-time charts with SVG (scalable vector graphics). This combination allows developers to create rich web applications with dynamic data visualization.
AngularJS and D3.js can be set in HTML pages to create chart directives. This includes creating AngularJS controllers and instructions and using the controller to save the data to be drawn in the chart. Then, you can use this directive to draw a line chart using D3.js.
The chart can be updated in real time to reflect changes in the underlying data. This can be done by using a collection observer in the instruction to monitor changes in the collection data and then detect
2025-02-21
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608
The 6 Best Tips For Formatting Your Excel Charts
Article Introduction：Excel chart formatting skills: Improve data visualization effect
This article will share some practical tips to improve the visualization of Excel charts to help you create clearer and more attractive charts. Excel has built-in multiple chart styles, but for the best results, we recommend custom formatting.
1. Add a chart background
The charts need not be boring. Appropriate background can enhance the attractiveness of the chart and make the data clearer and easier to understand.
You can add images or colors as backgrounds. For example, using architectural pictures and sunset backgrounds makes the chart more visually impactful.
Even subtle color adjustments can make the chart stand out. The key is to have sufficient contrast between the background and the data points to ensure that the chart is easy to read.
How to operate: Double-click on the picture
2025-02-06
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1022
how to add a trendline in an excel chart
Article Introduction：The key to adding a trend line in an Excel chart is to select the right chart type and trend line options, which are suitable for continuous and regular data. 1. Use chart types that support trend lines, such as line charts, scatter charts and column charts, and avoid using charts with strong classification structures such as pie charts. 2. When adding a trend line, click on the data series, right-click to select "Add Trend Line", and select linear, exponential or polynomial types based on the data characteristics. 3. Double-click the trend line to adjust the color, display the R square value and formula, which assists in analysis but cannot blindly rely on the prediction results.
2025-07-15
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608
Write Reusable JavaScript Business Logic with peasy-js
Article Introduction：Peasy-js: Build reusable, scalable, and easy to test business logic
Peasy-js is an intermediate-layer framework that builds business logic in a composable, reusable, extensible and easy to test, allowing easy replacement of UI, backend, and data access frameworks in applications. It promotes separation of business logic, makes it easy to test, replace, rearrange, reuse, and can be used in any application architecture, compatible with a variety of JavaScript clients, servers, data access technologies and frameworks.
The core concepts of Peasy-js include: BusinessService, Command, Rule and DataProxy. These concepts are in business logic arrangement and data verification
2025-02-17
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