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Data Discovery: Dos and Don’ts
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In this episode I’ll discuss some keys to remember when examining a dataset for the first time.
Timeline:
02:25 - Do #1 - Look at your data carefully
05:32 - Don’t #1 - Don’t try to bite off too much
07:32 - Do #2 - Look for patterns and trends
10:15 - Do #3 - Consider the data source
13:13 - Do #4 - Identify blind spots in your data
15:22 - Don’t #2 - Don’t include incomplete or missing data
Survey of Data Workers:
https://community.useready.com/whitepapers/idc-infobrief-state-of-data-science-and-analytics/?auto-trigger
The Last Record:
- Look at the data carefully
- Do you have all the fields that you will need?
- Is it a number field? Is it text?
- Look for the patterns and trends
- Consider the source
- Are there controls in your data?
- Are you pulling from an outside source that may not always be available or updated?
- Identify the blind spots in your data
- Think about the questions you can answer using this data.
- Are there any limitations? If there are, you may need to supplement with additional data.
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