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Frederick Legaspi 4 years ago
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1-Introduction/01-defining-data-science/README.md
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@ -67,11 +67,11 @@ Vast amounts of data are incomprehensible for a human being, but once we create
## Types of Data ## Types of Data
As we have already mentioned, data is everywhere. We just need to capture it in the right way! It is useful to distinguish between **structured** and **unstructured** data. The former is typically represented in some well-structured form, often as a table or number of tables, while the latter is just a collection of files. Sometimes we can also talk about **semistructured** data, that have some sort of a structure that may vary greatly. As we have already mentioned, data is everywhere. We just need to capture it in the right way! It is useful to distinguish between **structured** and **unstructured** data. The former is typically represented in some well-structured form, often as a table or number of tables, while the latter is just a collection of files. Sometimes we can also talk about **semi-structured** data, that have some sort of a structure that may vary greatly.
| Structured | Semi-structured | Unstructured | | Structured | Semi-structured | Unstructured |
| ---------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | --------------------------------------- | | ---------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | --------------------------------------- |
| List of people with their phone numbers | Wikipedia pages with links | Text of Encyclopaedia Britannica | | List of people with their phone numbers | Wikipedia pages with links | Text of Encyclopedia Britannica |
| Temperature in all rooms of a building at every minute for the last 20 years | Collection of scientific papers in JSON format with authors, data of publication, and abstract | File share with corporate documents | | Temperature in all rooms of a building at every minute for the last 20 years | Collection of scientific papers in JSON format with authors, data of publication, and abstract | File share with corporate documents |
| Data for age and gender of all people entering the building | Internet pages | Raw video feed from surveillance camera | | Data for age and gender of all people entering the building | Internet pages | Raw video feed from surveillance camera |

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