Interactive Data Analysis Tools
The working sheets from Ten Habits of Great Data Analysts, fillable in your browser. The reference versions are in the Data Analysts Toolkit.
How these work
Type straight into the page. Your entries save in this browser as you go, so you can close the tab and come back. Tables let you add rows and columns, checklists let you add your own items, and every tool has an Add a section button for anything the sheet does not cover. When you are finished, download your work as Markdown, plain text, a spreadsheet, or a PDF, or save a .json file you can reopen on another computer. Nothing you type is sent anywhere.
Start the project
The question, the decision it feeds, and who signs off, all agreed in writing before any code is written.
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Data Analysis Request Form
Start a project properly: the question, the decision it feeds, the data, the deadline, and who signs off.
Meet the data
Learn how the data behave before you ask them anything.
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Exploratory Data Analysis Checklist
Before any modeling, understand how the data behave. Record what you find as you go.
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Detective Questions for Undocumented Data
When documentation is incomplete, work the data set like a detective and write down what the evidence suggests.
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Data Domain Mapper
Turn a huge variable list into a meaningful system by grouping variables into logical domains.