Difference between revisions of "MIT The World of spreadsheets and simple graphing"

From Help Wiki
(Tidy Data)
(Visualization)
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* [http://colorbrewer2.org/ Color Brewer]
 
* [http://colorbrewer2.org/ Color Brewer]
 
* [https://99designs.com/designer-blog/2013/04/17/designers-need-to-understand-color-blindness/ Color Blind considerations]
 
* [https://99designs.com/designer-blog/2013/04/17/designers-need-to-understand-color-blindness/ Color Blind considerations]
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=== Visualization Data ===
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==== TED TALK's ====
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* [http://www.ted.com/talks/david_mccandless_the_beauty_of_data_visualization David McCandless: The beauty of data visualization]
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* [http://www.ted.com/speakers/hans_rosling Hans Rosling]
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* [http://www.ted.com/talks/manuel_lima_a_visual_history_of_human_knowledge Manuel Lima: A visual history of human knowledge]
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==== Visualization ====
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* [http://www.informationisbeautiful.net/ Information Is Beautiful]
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* [http://www.gapminder.org/ Gapminder] --requires Adobe Flash plugin :-(
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[[Category:2015-2016]]
 
[[Category:2015-2016]]

Revision as of 11:09, 13 October 2015

Spreadsheets

give a simple explanation


The Good, The Bad, and the Ugly

The Good

  • Spreadsheet's is a low entry point for an application framework, in the same way that WordPress is a website framework
    • You don't have to be a developer/programmer

The Bad

  • Spreadsheets are used to make applications
    • You don't have to be a developer/programmer
    • Complex spreadsheets suffer from errors; become difficult to troubleshoot

The Ugly


The World of Spreadsheets

  • Gnumeric most powerful spreadsheet program
    • Single editor environment
    • Size Limit: Max rows: 16,777,216; Max Columns: 16,384; Max Cells: 274,877,906,944
    • Project doesn't provide Windows binaries; lag for latest version to be ported to Windows or Macintosh
  • Libre Calc
    • Single editor environment
    • Size Limit: each sheet can have a maximum of 1,048,576 rows and a maximum of 1024 columns.
      • Each document has a size limit of 4 GB
  • Google Sheets
  • Microsoft Excel
    • Single editor environment
    • x32 bit vs. x64 bit
    • Size Limit: 1,048,576 rows by 16,384 columns
      • x32 bit: Each document limited to 2GB
      • x64 bit: Each document limited by system physical memory
  • Microsoft Excel Online in Office 365
    • Multi-editor environment --Maximum of 5 concurrent editors
    • Size Limit: 250 MB

Tidy Data

Tidy Data by Hadley Wickham

  1. Each variable forms a column,
  2. Each observation forms a row,
  3. Each table (or file) stores data about one class of experimental unit.

Graphing

The Top Ten Worst Graphs

Learning from others mistakes
The Top Ten Worst Graphs

Anatomy of a Graph

  • Graph/Chart type
    • Column
    • Bar
    • Pie
    • Area
    • Line
    • XY Scatter
    • Bubble
    • Net
    • Boxplot
    • Mixed
  • Chart/Graph Title
    • Chart/Graph Subtitle
  • Chart/Graph X-Axis Label
  • Chart/Graph Y-Axis Label
  • Chart/Graph Legend

Color

Visualization Data

TED TALK's

Visualization