Difference between revisions of "MIT The World of spreadsheets and simple graphing"
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− | ''by Hadley Wickham'' | + | [https://drive.google.com/file/d/0BzQL08YDc6cUMmdLcXdienZudFE ''Tidy Data by Hadley Wickham''] |
# Each variable forms a column, | # Each variable forms a column, | ||
# Each observation forms a row, | # Each observation forms a row, |
Revision as of 10:55, 12 October 2015
Contents
Spreadsheets
give a simple explanation
- As explained by Wikipedia
- Best application for data gathering/collection
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
- Multi-editor environment
- Size Limit Up to 2 million cells
- 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
- Each variable forms a column,
- Each observation forms a row,
- Each table (or file) stores data about one class of experimental unit.