mongodb data visualization

/***************************************************************************************** * WEB Data Visualization * Description: * Every time you see those visualizations on the Web page, you want to know how these graphics are implemented, and of course not * Take the time to understand, of course, do not know what to look for information. * 2016-10-12 Shenzhen Nanshan Ping Shan village Zengjianfeng ****

Python Advanced (40)-Data visualization using Matplotlib for drawing preface?? Matplotlib is an open source project based on the Python language, designed to provide Python with a data-drawing package. I'll cover the core objects of the Matplotlib API in this article, and explain how to use these objects to implement the drawing. In fact, Matplotlib's object syst

Data visualization in the Big Data era is an effective and even unique means of understanding and expressing data. 工欲善其事 its prerequisite, this article for 55 d3.js r , gephi rapha?l google Chart tools,arbor.js data source http://selection.datavisualizatio

Echarts Baidu is very famous also very diao.Echarts is Baidu Open source of a data visualization JS library. Mainly used for data visualization.Pyecharts is a class library that is used to generate echarts charts. is actually the butt of echarts and Python. Url:Https://github.com/chenjiandongx/pyecharts/blob/master/docs/zh-cn/documentation.md#%E5%BC%80%E5%A7%8B%E

the contour factor of the clustering result, and is the reasonable and effective measure of the cluster. 1,FPC Bag In the package FPC, some evaluation indexes of calculating clustering are realized, including contour factor: avg.silwidth (average contour width) Library (FPC) result 2,silhouette () function The function silhouette () that calculates the contour coefficients in the package cluster returns the average contour width of the cluster: Silhouette (x, dist, Dmatrix, ...) Paramet

[0, 1].plot (data[0], data[1]) OneAxs[1, 1].HIST2D (data[0], data[1]) A -Plt.show ()5. Add Text: Axis label, property label1 ImportMatplotlib.pyplot as Plt2 ImportNumPy as NP3Mu, sigma = 100, 154x = mu + sigma * NP.RANDOM.RANDN (10000)5 6 #The histogram of the data7N, bins, patches = plt.hist (x, Normed=true, facecolo

OData (Open Data Protocol) is always a standard I like (OASIS Standard), which provides a powerful access interface for querying and editing data based on restful protocols (Protocol). Although Microsoft launched it, it was born with open standards and open source genes (the first Microsoft opened the code for the OData client). When I have a chance, I'll go over some of the knowledge of OData in more detai

Seaborn Library Handbook Translation Introductory Remarks: Seaborn is actually a more advanced API encapsulation based on Matplotlib, making it easier to draw and, in most cases, using Seaborn to make attractive graphs. I am here to do my best to translate it (the dog has not seen the original computer in English before). ), convenient for everyone to inquire ~ ~ ~ Detailed Introduction can see Seaborn official API and Example Gallery one, style management 1, control picture art style The abil

[Author]: KwuFast Echarts-based Big Data visualization, Echarts pure JS Implementation of the charting tools, the steps for rapid development are as follows:1, the introduction of Echarts-dependent JS Library2, set the display div3, the plot JSvar mychart;var option;//drawing function Drawcharts (Echartshomepath) {//Path configuration require.config ({paths: {echarts: Echartshomepath + ' JS '}})//use requir

"Tags": {"Host": "Mycat"7, for the JSON "QPS": AA of the QSP, equivalent to fields, for field8, for the statistical way, see the basic introduction of its INFLUXDB9. Statistics are often10, for the symbol of the curve, you can add multiple query in a diagram, so that each name corresponds to a different colorFinally click the Save button, at the top there is an icon, save after the selection has 4 blocks of the general's name just definedAt last:650) this.width=650; "src=" Http://s3.51cto.com/wy

A period of time completed a data visualization project, built by the background nodejs+highcharts framework. Let's share the process of the entire development process and the experience of using the Highcharts framework.First, the data readBecause the database is using MySQL database, in Nodejs, you can use the MySQL module in Nodejs for MySQL database operation

Webstorm+webpack+echartsEcharts Feature IntroductionEcharts, a pure Javascript chart library that runs smoothly on PCs and mobile devices, is compatible with most current browsers (Ie8/9/10/11,chrome,firefox,safari, etc.) and relies on lightweight Canvas class libraries Zrender provides intuitive, vivid, interactive and highly customizable data visualization charts.In Echarts 3, more rich interactivity and

die import Dieimport pygal# 实例化两个Die类对象die_1 = Die()die_2 = Die(10) # 注意这里传入10results = []for roll_num in range(50000): result = die_1.roll() + die_2.roll() results.append(result) # 将结果放入results列表frequencies = []max_result = die_1.num_sides + die_2.num_sides# 将实验的结果数据统计出每个数字出现的次数for value in range(2, max_result + 1): frequency = results.count(value) frequencies.append(frequency)# 绘制直方图# 实例化一个bar对象，对该对象的title、x_labels、x_title、y_title属性设置相当于在直方图设置。hist = pygal.Bar()hist.title = "Res