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

From Help Wiki
(Graphing)
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# Each observation forms a row,
 
# Each observation forms a row,
 
# Each table (or file) stores data about one class of experimental unit.
 
# Each table (or file) stores data about one class of experimental unit.
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== Graphing ==
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=== The Top Ten Worst Graphs ===
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''Learning from others mistakes''
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[https://www.biostat.wisc.edu/~kbroman/topten_worstgraphs/ The Top Ten Worst Graphs]
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=== Anatomy of a Graph ===
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* Graph/Chart type
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** Column
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** Bar
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** Pie
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** Area
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** Line
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** XY Scatter
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** Bubble
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** Net
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** Boxplot
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** Mixed
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* Chart/Graph Title
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** Chart/Graph Subtitle
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* Chart/Graph X-Axis Label
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* Chart/Graph Y-Axis Label
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* Chart/Graph Legend
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==== Color ====
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* [https://99designs.com/designer-blog/2013/04/17/designers-need-to-understand-color-blindness/ Color Blind considerations]
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* [http://ethanschoonover.com/solarized Solarized]
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* [http://colorbrewer2.org/ Color Brewer]
  
  
 
[[Category:2015-2016]]
 
[[Category:2015-2016]]

Revision as of 09:20, 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