Why do we need data visualization and how to use charts to tell stories? #
You often need to do data visualization, and then use PPT to persuade senior executives or make various decisions. Today we will share some PPT tips!
Tip: If you want to use a dispatch app to view your friends, please watch them on a Wi-Fi network. It will be slower to open the picture ~
First watch a data
density between the two variables and uses it to estimate its characteristicsBoxplot_1: Separate features between variables by speciesAndrews curves: Andrew Curve uses the properties of the sample as coefficients of the Fourier transformRadviz: Multivariate visualization, where each feature is displayed on a plane, and the sample is connected to the image by the dots on the circleParallel_coordinates multi-variable
FrontierThrough the previous section on the Python combat data visualization of the Pygal module (Basic) Learning, we have a preliminary understanding of the use of Pygal module, this section will be a practical project to deepen the use of Pygal module. The JSON-formatted population data can be downloaded from the Web and processed using JSON modules, and the Pygal module provides a map creation tool for beginners, which we will use to visualize demo
Select sort (Selection sort)Select Sort is now the smallest in a series of arrays, put it in the first position of the array, then select the second small one and place it in the second position.If the unordered array is a, the first round is compared to the size of a[0] and a[1], if A[0]>A[1], then two interchanges, otherwise not exchanged. This gets the a[0] is the smaller that number.Then a[0] and a[2] are compared, if a[0]>a[2], then two exchanges, otherwise do not exchange. This gets the a[
Full stack Engineer Development Manual (author: Shangpeng)
Echarts Data visualization Development Code annotation Full SolutionFull solution of Echarts data visualization development parameter Configuration
6 Major public components (click to enter):Title detailed, tooltip detailed, toolbox detailed, Legend detailed, Datazoom detailed, Visualmap full solution
5 Large coordinate system (click to enter):Geo-d
approach to neural evolution. This also promotes the need for relevant tools to some extent, especially in the process of neural evolution, how to observe the evolution process dynamically and visually. To address these issues, Uber developed an interactive data visualization tool for neural evolution--visual Inspector for Neuroevolution (VINE), which was open source yesterday.
Figure 2. Visualization of
As the old saying goes, "a map is worth thousands of words", in dealing with complex business data, this sentence is more of a maxim. To help users understand what they see, developers often resort to bar charts and pie charts. But that only applies to discrete data, and other tools are needed to represent the connection between data. To delve into this topic, we visited the creator of Alexander Smirnov, Graphx, to explain to us what graphic visualization
(128), -Temperature char (24), -Weather Char (24), theWind char (24), - PRIMARY KEY (ID) -) Engine=innodb DEFAULT charset='UTF8';1 #CREATE DATABASE: Scrapydb, in UTF8 bit encoded format, each statement ending with '; '2CREATE DATABASE scrapydb CHARACTER SET'UTF8';3 4 #Select the table you just created:5 Use scrapydb;6 7 #Create the fields we need: Fields to match one by one of our code, so we can write SQL statements in a minute .8 CREATE TABLE Weather (9 ID INT auto_increment,TenDate char (24)
[Switch] Big talk programming: workflow visualization development on the. net quick development platform and the. net quick development platform
Hello, everyone! I also have my own blog. Today I will share with you my experience on QR code. As a programmer, I have been "immersed" in system development for a long time! Oh, no, no, it's a business!
Today, I will share with you the workflow design process! When talking about the design of this workflow,
Shortcutmapper is a popular application for keyboard shortcut mapping. The application uses Ajax calls to load keyboard and application data. First, try to find an online resource that lists all the application shortcuts for each platform. You can then easily use this resource to export an intermediate data format that you can manually edit.Related articles that may be of interest to you
It's great! Ultra-Bright page switch animation effect "with source download"
Creative Unlimited! A se
location information of node. This completes the same circular pop-up effect as the rubber band.In addition, the navigation bar out is also more abrupt, here also use animation, let it from left to right slowly stretched out:New Animate ({from: {x:x1, y:y1},to: {x:x2, Y:y2},delay:"point '" Bounceout ') function (value) {node.setcenterlocation (value.x, value.y);},}). Play ();The difference from the previous animation is that the point structure of {x, y} is used here, and each frame updates t
Echarts, a pure JavaScript chart library, based on canvas, relies on zrender at the underlying layer. Common chart libraries for commercial products provide intuitive, vivid, interactive, And customizable data visualization charts. The innovative drag-and-drop re-computing, data view, value-range roaming and other features greatly enhance the user experience and give users the ability to mine and integrate data. The chart type supports line chart (reg
Using This plugin one can navigate the code easily.Source Code and detailed user manual inHttps://github.com/league1991/CodeAtlasSublime.Find callers/calleesPress alt+c/v to find callers or calleesPress alt+up/down/left/right in Sublime Text -to-jump to new functionsFind Class HierarchyPress alt+b to find base and derived classFind Overloaded FunctionsPress Alt+o to find overloaded functionsFind Class MemberPress alt+m to find all class variables and the largest member function.Press Alt+m sever
1. Adjust the color 2. The upper-left corner of the interface shows the name of the diagram associated with the currently selected node. When you press alt+1, the inheritance of the integrator is displayed. 3. The lower right corner of the interface shows the class name of the selected node.Overall effect4. Alt+d can hide the node with the least number of visits around the selected element. In this way, you can hide variables or functions that are of little value at once. You can select a few mo
CSDN open source summer camp Baidu data visualization practices ECharts (8) problem analysis, csdnechartsECharts Problem description:
The problem is that the points on the line chart are displayed. Someone asked if they can not be displayed at the beginning. When you click or move the mouse over it, the points on the line chart are displayed?As shown in:
Analysis: if the point on the line is not displayed, the symbol attribute can be set to "none ".
Common SQLite database statements and how to use SQLite visualization tool MeasSQLlite on MAC, sqlitemeassqllite
I. Introduction
In mobile development, small databases are usually used for data management. SQLite is a very small and convenient database. In iOS development, the native framework also has good support.
Ii. Commonly Used SQLite statements
The significance of a database lies in its integration and management of data. Therefore, the core op
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