数据可视化简介

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,Data visualization,A picture is one of the greatest value it can make we actually see more rich content than we expect to see!,What data is not the final need,what they need is information,is for the future development of insight.,Contents,C,oncept,T,ool,M,ethod,C,oncept,Data visualization is the study of the visual representation of data,the visual form of the data is defined as:a summary in some form of information extraction,including the various properties of the corresponding information unit and variables.,baidu encyclopedia,By means of graphical method,clear effectively convey information and communication.,wikipedia,Scientific visualization,Scientific visualization mainly focuses on the phenomenon of 3 d visualization,such as architecture,meteorology,medicine or biology system.Focus on the body,face and light source such as realistic rendering.,Information visualization,Information visualization is designed to study large-scale non numeric information resources other visual presentation,and using the technology of graphic images,and the method,help people to understand and analyze the data.,Compared with scientific visualization,information visualization is focus on the abstract data sets,such as unstructured text or point of high dimensional space(these points do not have the inherent two-dimensional or three-dimensional geometric structure).,Scientific visualization:medical images of the shadow,Information visualization:New York City crime maps,VS,Stack figure,Bubble chart,M,atrix graph,T,ag cloud,Parallel axis,Map,T,imeline，,L,ine chart，,S,catter diagram，,D,ata table，,F,low chart，Radar map,.,Heat map can be very intuitive to present some difficult to understand or to express the data,such as density,frequency,temperature,etc.,to switch to this area and color are more likely to be understood.,Heat map,This visualization is very intuitive reflect the Internet web site overall proportion of types,Tree Tap is a very typical application scenario,use a Tree Map in the fully manifested intuitively,at the same level at the same time under the same type and different types for the subset size comparison.,Tree Tap,Tool,Entry-level tools,Advanced tools,Expert tools,Excel,CSV/JSON,Processing,NodeBox,R,Weka,Gephi,Online data visualization tools,Mapping tools,Interactive graphical user interface control,Flot,D3,Raphael,Visual,.,ly,Google Char API,L,eaflet,OpenLayers,PolyMaps,Kartograph,Modest Maps,CartoDB,Tangle,Crossfiler,Excel,Excel graphical function is not powerful,but Excel is an ideal work to analyze the data.,As a starter kit,Excel is an ideal tool to quickly analyze data,and create a data graph for internal use,but Excel in colors,lines and patterns on the optional scope is limited,this also means that using Excel is difficult to produce can met the need of the professional publications and website data.But as an efficient internal communication tool,Excel is supposed to be one of the necessary tools in your chest.,In 201,5,Chinas province GDP ranking bar chart,In 2015 Chinas province GDP ranking bubble chart,In 2015 Chinas province GDP ranking,Regional figure,Gantt chart,Radar map,Visually,Tools:http:/visual.ly/,Visual.Ly Create can allow you from Twitter,Facebook,and Plus social networking sites such as collect data,support provide five kinds of Visual template.For example analysis you account for your friend to build a description of its footprint information figure,or your favorite pictures and articles,or perhaps you Twitter tag and so on.,Using three-dimensional effect,in order to show the changes of age and contrast ratio in each year.,The capital of Finland peoples age and leverage,Google chart,Tools:Google chart,Source:world bank,Analysis:in general,the more the economic developed area,the longer the life expectancy,but the lower conception rate.For example,in the central African republic life expectancy is only 48.3 years old,and the conception rate is 4.55.As a comparison,we look at macau,the average life expectancy of 81 years of age,and rate of only 1.12.,Division of the breeding rate and the distribution of the average life expectancy,Method,Data visualization of seven stages,1.obtain,The data source,2.Analysis,The data structure,3.filter,Pay attention to the information,4.mining,The statistical analysis,5.describe,Visual model,6.modified,Clear and easy to understand,7.interaction,Operational control,How to analysis?,Who are the users of the data?,What kind of data they need?,Who are the users of the data?,If the user is not you!,Then whats their preference?,What is their first choice?,Do we really understand them?!,Want to say?,Want to solve the problem of what kind of?,Whether can realize?,How do you determine the data content?,What are the data category?,Classification(such as:column),Sequence(such as:ranking,time),Number(such as:digital),Relationship(such as:level,influence,etc.),location,How the relationship between the performance data?,Thro