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  • Evan Gorgees thinks this is interesting:

fter we load some data, it is a good idea to understand how it is structured and what kind of information it contains. Ideally, we would view the full data directly. But with most real-world cases, the data could have thousands to hundreds of thousands to millions of rows and columns. Instead, we have to rely on pulling samples to view small slices and calculating summary statistics of the data.

In our solution, we are using a toy dataset of the passengers of the Titanic on her last voyage. Using head we can take a look at the first few rows (five by default) of the data. Alternatively, we can use tail to view the last few row...

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