Learn more about computerscience with this collection
Understanding machine learning models
Improving data analysis and decision-making
How Google uses logic in machine learning
The anatomy of a SQL query
A SQL query consists of a few important keywords. Between those keywords, you add the specifics of what data, exactly, you want to see. Here is a skeleton query without the specifics:
SELECT… FROM… WHERE…
GROUP BY… HAVING…
ORDER BY…
LIMIT… OFFSET…
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What is Pandas?
Python Data Analysis Library, called Pandas, is a Python library built for data analysis and manipulation. It’s open-source and supported by Anaconda. It is particularly well suited for structured (tabular) data.
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Where do I start?
- QL is a declarative programming language.
- With SQL, you declare what you want in a sentence that almost reads like English.
- Pandas’ syntax is quite different from SQL. In Pandas, you apply operations on the dataset, and chain...
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SQL
SQL was a go-to tool when you needed to get a quick-and-dirty look at some data, and draw preliminary conclusions that might, eventually, lead to a report or an application being written. This is called exploratory analysis.
These days, data comes in many shapes and forms, ...
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