In the recent course design of data mining, it is necessary to display the results of data analysis very intuitively to the user, which is to use the data chart, to achieve this function requires a few third-party packages:1. Jfreechart-1.0.13.jar2. Jcommon-1.0.16.jar3. Gnujaxp.jarTake a look first, finally:Mainly Jfreechart-1.0.13.jar, but the three packages to complete, I have all the jfreechart -related jar package with the example of this article
Pie chart | Line Chart | Column chart
This article will introduce you to the. NET how to use code drawing tables, just as you would with a chart generated in MS Excel. You can also sketch a DataGrid-like table.In NET, Microsoft has provided us with the drawing Class (System.Drawing.Imaging), in this class the basic fun
Example code for generating bar chart (Bar Chart) effects using html5, html5 bar chartCopy XML/HTML Code to clipboard
Code for generating a bar chart (Bar Chart) using html5
Running result:
The example code for generating bar chart (Bar
1. Data Flow Diagram)
Adhere to DFD, which expresses the system's logical functions in graphical form from the perspective of data transmission and processing. The logical flow of data within the system and the logical Exchange Process, is the main expression tool of the structured system analysis method and a graphical amplification used to represent the software model. It is a transformation that depicts information flows and data flows from input to output.
Basic elements of a data flow dia
1. Introduce
Mpandroidchart GitHub Address
The strength of the mpandroidchart is not to say more, the latest version is 3.0.1, in the new version of many methods have been discarded, this should be noted that most of the information found on the Internet is about the old version, today to implement a line chart, the process recorded, share to everyone.
Effect Chart:
2. Introduction of Open Source Libr
The steps are as follows:1.Chart control (a) example of a chart control application in an ASP. NET Web site (C # language) "title=" VS2010 Chart control (a) example of the application of the chart control in an ASP. NET Web site (C # language) "Action-data=" http%3a%2f%2fs8.sinaimg.cn%2fmw690%2f6988593etx6dhzwsoatc7%26
Provides various official and user-released code examples. For code reference, you are welcome to exchange and learn. Today we will introduce a Statistical Chart plug-in: Highcharts. It is used to generate a seasonal average rainfall columnar Statistical Chart.
The demo and Free Download Links are available at the bottom of the page. If you want to see more
Js Special Effects,
Website source code,
Js tutor
Download libchart
From: http://blog.csdn.net/dj0379/article/details/7451946
Libchart charts are really easy to use. The only pity is that they do not support Chinese characters and are garbled in charts. After pondering, I used the experience of modifying Chinese garbled characters in the dotproject and changed Libchart. Now I have successfully supported Chinese fonts.The procedure is simple:1. Write your own PHP file that generates charts using the Libchart library and save it in UTF-8 encodin
A wide variety of statistical graphics, there are columnar, line chart, fan-shaped graphs and so on, and statistical graphics to draw a lot of methods, there are flash production of statistical graphics, Crystal Report to generate statistical graphics, there are specialized graphics software production, but also programming language produced by themselves; Here we use the C # three most classic Statistical chart
Objective
Small make up has already shared with everybody before "D3.js realizes the method of the histogram to explain" and "D3.js realizes the method of line chart to explain" these two articles, have already introduced the columnar chart and line chart. Here's a say and of these two very similar graphs--scatter and bubble graphs. Friends who are in need can r
Beautiful Java chart class library and beautiful Java chart class librarySummary
When using java for background site development, charts and report functions are indispensable. This article recommends eight most brilliant and practical Java chart applications. Most of the chart applications have similar functions, main
In step 1th, open the Word2010 document window and switch to the Insert Ribbon. Click the Chart button in the illustrations group, as shown in Figure 1.
Figure 1 Click the Chart button
Step 2nd, in the Open Insert Chart dialog box, click the Templates option, select the custom template that you created in the My Templates list on the right, and click OK,
Modern society has already entered the micro-era of reading pictures, and the Google Map application and the introduction of the application of Baidu map is indicative of the advent of the era of national reading map. In the era of graph reading, the chart performance data becomes a necessity because the chart visualizes the advantages of information, contrast and trend. The
4.1. Simple Line chart
Use Categorydataset to provide data for the chart.
DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(100, "Jan", "Spring Security"); dataset.addValue(150, "Jan", "jBPM 4"); dataset.addValue(300, "Jan", "Ext JS"); dataset.addValue(100, "Jan", "JFreeChart");
If we only draw a polyline, make sure that the second argument is consistent.
Next, use Createli
This is the most recent iOS project needs to use the drawing of the candlestick, on the internet a large number of access to data without fruit, had to draw themselves.The implementation functions include candlestick chart, trend chart, volume, scrolling, zooming in and out, MACD, KDJ, long press display auxiliary line and other functions.Preview MapFinally, this is the project's Open source address: https:
This is the most recent iOS project needs to use the drawing of the candlestick, on the internet a large number of access to data without fruit, had to draw themselves.Live data uses the source API:Https://www.btc123.com/kline/klineapiReturn Data Description:1. Time stamp2. Open Price3. High price4. Lowest price5. Closing price6. VolumeThe implementation functions include candlestick chart, trend chart, vol
For a project, I found a jfreechart on the Internet to form a pie chart, column chart, and so on.
1. Introduction to jfreechart
Jfreechart is an open-source Java project. It is mainly used to develop various charts, including pie charts, bar charts (common bar charts and stack bar charts), line chart, Area Chart, distr
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