IT training pro data visualization using r and javascript barker 2013 06 17 1

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Nội dung chi tiết: IT training pro data visualization using r and javascript barker 2013 06 17 1

IT training pro data visualization using r and javascript barker 2013 06 17 1

THE EXPERTS VOICE‘S IN WEB DEVELOPMENTProData Visualization using R and JavaScriptANALYZE AND VISUALIZE YOUR KEY DATATom BarkerApress®I'or your conven

IT training pro data visualization using r and javascript barker 2013 06 17 1nience Apress has placed some of the front matter material after rhe index. Please use the Bookmarks and Contents al a ('dance links to access them.Ap

ressContents at a GlanceAbout the Author................................................................xiiiAbout the Technical Reviewer.............. IT training pro data visualization using r and javascript barker 2013 06 17 1

........................................XVAcknowledgments.................................................................xviiI Chapter 1: Background.

IT training pro data visualization using r and javascript barker 2013 06 17 1

...........................................................1I Chapter 2: R Language Primer....................................................25I Chap

THE EXPERTS VOICE‘S IN WEB DEVELOPMENTProData Visualization using R and JavaScriptANALYZE AND VISUALIZE YOUR KEY DATATom BarkerApress®I'or your conven

IT training pro data visualization using r and javascript barker 2013 06 17 1..........65I Chapter 5: visualizing Spatial Data from Access Logs............................85I Chapter 6: Visualizing Data Over Time...............

...........................111I Chapter 7: Bar Charts..........................................................133I Chapter 8: Correlation Analysis wi IT training pro data visualization using r and javascript barker 2013 06 17 1

th Scatter Plots.............................157I Chapter 9: Visualizing the Balance of Delivery and Quality withParallel Coordinates.................

IT training pro data visualization using r and javascript barker 2013 06 17 1

...................................... 177Index............................................................................193VThere is a new conce

THE EXPERTS VOICE‘S IN WEB DEVELOPMENTProData Visualization using R and JavaScriptANALYZE AND VISUALIZE YOUR KEY DATATom BarkerApress®I'or your conven

IT training pro data visualization using r and javascript barker 2013 06 17 1hed in other fields and departments. At the company where you work, your finance department probably uses data visualizations to represent fiscal info

rmation both internally and externally; just lake a look al the quarterly earnings reports for almost any publicly traded company, They are full of ch IT training pro data visualization using r and javascript barker 2013 06 17 1

arts to show revenue by quarter, or year over year earnings, or a plethora of other historic financial data. All are designed Io show lots and lots of

IT training pro data visualization using r and javascript barker 2013 06 17 1

data points, potentially pages and pages of data points, in a single easily digestible graphic.Compare the bar chart in Google's quarterly earnings r

THE EXPERTS VOICE‘S IN WEB DEVELOPMENTProData Visualization using R and JavaScriptANALYZE AND VISUALIZE YOUR KEY DATATom BarkerApress®I'or your conven

IT training pro data visualization using r and javascript barker 2013 06 17 1 Q4 2007 quarterly revenue shown in a liar chartICHAPTER 1 BACKGROUNDFigure 1-2. Similar earnings data in tabular formrhe bar chart is imminently more

readable. We can clearly see by the shape of il that earnings are up and have been steadily going up each quarter. By the color-coding, we can see th IT training pro data visualization using r and javascript barker 2013 06 17 1

e sources of the earnings; and with the annotations, we can sec both the precise numbers that those color coding represent and what the year over year

IT training pro data visualization using r and javascript barker 2013 06 17 1

percentages are.With the tabular data, you have to read labels on the left, line up the data on the right with those labels, do your own aggregation

THE EXPERTS VOICE‘S IN WEB DEVELOPMENTProData Visualization using R and JavaScriptANALYZE AND VISUALIZE YOUR KEY DATATom BarkerApress®I'or your conven

IT training pro data visualization using r and javascript barker 2013 06 17 1ossibility of your audience either not understanding the data (thus creating their own incorrect story around the data) or tuning out completely becau

se of the sheer amount of work needed to take in the information.h’s not just the Finance department that uses visualizations Io communicate dense amo IT training pro data visualization using r and javascript barker 2013 06 17 1

unts of data. Maybe your ()peralions department uses charts to communicate server uptime, or your (Customer Support department uses graphs to Show cal

IT training pro data visualization using r and javascript barker 2013 06 17 1

l volume. Whatever the case, it's about time Engineering and Web Development got on boar d with this.

THE EXPERTS VOICE‘S IN WEB DEVELOPMENTProData Visualization using R and JavaScriptANALYZE AND VISUALIZE YOUR KEY DATATom BarkerApress®I'or your conven